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David Matthew Parker, MD
Bariatric MedicineBariatric SurgeryGeneral Surgery
Accepting New Patients
Video Visits Available
Need help scheduling? Call 800-275-6401
Highlights
Age Groups Seen
- Adult (18-65)
- Adults over 65
Languages
- English
Gender
MaleAbout David Matthew Parker
David M. Parker, MD, FACS, FASMBS, is a board-certified general surgeon specializing in bariatric surgery for both adolescents and adults. Dr. Parker performs several advanced and specialized surgical procedures, including gastric bypass, biliopancreatic diversion with duodenal switch, revisional bariatric surgery, laparoscopic gastric band (or “lap band”) and gastric sleeve. He also provides care for various conditions affecting the stomach and gastrointestinal (GI) system, including hiatal hernia, paraesophageal hernia, achalasia and acid reflux.
He has a clinical interest in minimally invasive laparoscopic and robotic surgery.
Board-certified in general surgery, Dr. Parker earned his medical degree from West Virginia University in Morgantown. He completed a general surgery residency at the Dwight D. Eisenhower Army Medical Center in Fort Gordon, GA, followed by a fellowship in bariatric and foregut surgery at Geisinger Medical Center in Danville.
While in medical school, he received the Presidential Award for Excellence in Scholarship. During his fellowship, he received the SAGES Award for best fellow presentation.
Dr. Parker serves as program director for the Geisinger bariatric and foregut surgical fellowship. He has a strong commitment to research in bariatric and foregut surgery and has authored more than 24 published articles.
He is an active member of the Society of Gastrointestinal and Endoscopic Surgeons and a fellow of the American College of Surgeons and American Society of Metabolic and Bariatric Surgeons.
Dr. Parker has served in the United States Army and continues to serve as a lieutenant colonel in the United States Army Reserve. He is also a football enthusiast, rooting for the West Virginia Mountaineers in his free time.
Professional Memberships
Fellow, American College of Surgeons
Fellow, American Society for Metabolic and Bariatric Surgery
Society of American Gastrointestinal and Endoscopic Surgeons
Locations
- Geisinger Medical Center - General Surgery
- 100 North Academy Avenue, Danville, PA 17822
- Get Directions
- phone: 800-275-6401
- Geisinger Medical Center - General Surgery
- 100 North Academy Avenue, Danville, PA 17822
- Get Directions
- phone: 800-275-6401
- Geisinger Healthplex State College - General Surgery
- 132 Abigail Lane, Port Matilda, PA 16870
- Get Directions
- phone: 800-230-4565
- Geisinger Healthplex State College - General Surgery
- 132 Abigail Lane, Port Matilda, PA 16870
- Get Directions
- phone: 800-230-4565
Expertise
Education
- Fellowship: Geisinger Medical Center, 2013
- Residency: Dwight David Eisenhower Army Medical Center, 2008
- Doctor of Medicine: West Virginia U.- Morgantown, WV, 2003
Insurance
Please contact your insurance carrier to get specific benefit information on what is covered at this location.
Search plans
- Aetna - ActiveCare 1-HD
- Aetna - ActiveCare 2
- Aetna - ActiveCare Select
- AETNA - Aetna (all commercial plans including HMO)
- Aetna - Aetna Affordable Health Choices limited benefits insurance plan (SRC only)
- Aetna - Aetna Basic HMO (available in CA only)
- Aetna - Aetna Better Health Chip
- Aetna - Aetna Choice POS (Aetna HealthFund)
- Aetna - Aetna Choice POS (Open Access)
- Aetna - Aetna Choice POS II (Aetna HealthFund)
- Aetna - Aetna Choice POS II (Open Access)
- Aetna - Aetna Choice POS II on the Altius Network
- Aetna - Aetna Health Network Only (Open Access)
- Aetna - Aetna Health Network Only (Open Access) on the Altius Network
- Aetna - Aetna Health Network Option (Open Access)
- Aetna - Aetna Health Network Option (Open Access) on the Altius Network
- Aetna - Aetna HealthFund Aetna Health Network Only (Open Access)
- Aetna - Aetna HealthFund Aetna Health Network Option (Open Access)
- Aetna - Aetna HealthFund HMO (available in CA only)
- Aetna - Aetna Select
- Aetna - Aetna Signature Administrators (PPO)
- Aetna - Behavioral Health Program
- Aetna - Elect Choice EPO
- Aetna - Elect Choice EPO (Open Access)
- Aetna - Elect Choice EPO (Open Access) on the Altius Network
- Aetna - Employee Assistance Program
- Aetna - HCA Well Care (Levels 1, 2 and 3)
- Aetna - HMO
- Aetna - LM HealthWorks Plan
- Aetna - Managed Choice (Open Access)
- Aetna - Managed Choice (Open Access) on the Altius Network
- Aetna - Managed Choice POS
- Aetna - Medicare Advantage
- Aetna - Medicare Open (Private Fee-for-Service)
- Aetna - Medicare Plan (HMO)
- Aetna - Medicare Plan (Open Access HMO)
- Aetna - Medicare Plan (PPO)
- Aetna - National Advantage Program
- Aetna - Open Access (HMO)
- Aetna - Open Access Aetna Select (Aetna Health Fund)
- Aetna - Open Access Elect Choice EPO (Aetna Health Fund)
- Aetna - Open Access Managed Choice POS (Aetna Health Fund)
- Aetna - Open Choice PPO
- Aetna - Open Choice PPO (Aetna Health Fund)
- Aetna - Peak Preference HNOnly (Open Access) on the Altius Network
- Aetna - Peak Preference HNOption (Open Access) on the Altius Network
- Aetna - Premier Care Network
- Aetna - QPOS
- Aetna - Savings Plus of California
- Aetna - Savings Plus of Florida (Brevard and Tampa)
- Aetna - Savings Plus of Metro, NY
- Aetna - Savings Plus of New Jersey
- Aetna - Savings Plus of Ohio
- Aetna - Savings Plus of Oklahoma
- Aetna - Savings Plus of Southeast Pennsylvania
- Aetna - Savings Plus of Tennessee
- Aetna - Select (Open Access)
- Aetna - Student Health Plans
- Aetna - Traditional Choice Indemnity
- Aetna - TRS-Care Networks
- Aetna - Vitalidad Mexico con Aetna
- Aetna - Vitalidad Plus California con Aetna
- Aetna - Voluntary Plans
- Aetna Better Health - PA: Children's Health Insurance Program (CHIP)
- Aetna Better Health - PA: Medicaid
- American Republic Insurance Company - First Health
- American Republic Insurance Company - PHCS PPO
- AmeriHealth Caritas Pennsylvania - AmeriHealth Caritas Medicaid
- AmeriHealth Caritas Pennsylvania - AmeriHealth Caritas Medicare Advantage
- AmeriHealth Caritas Pennsylvania - AmeriHealth Caritas PA Community Health Choices
- Beacon Health Options - Behavioral Health Network
- Beech Street - Complementary
- Beech Street - Consumer Card
- Beech Street - Limited Benefit Plan
- Beech Street - Primary
- Beech Street - Supplemental
- BeechStreet - BeechStreet PPO (via InterGroup Services)
- Berkshire Health Partners - Berkshire Health Partners
- Blue Cross Blue Shield - Federal Employee Program - Basic Option
- Blue Cross Blue Shield - Federal Employee Program - Standard Option
- Blue Cross Blue Shield Federal Employee Program - Basic
- Blue Cross Blue Shield Federal Employee Program - Standard
- Capital Blue Cross - Blue Journey
- Capital Blue Cross - HMO - Behavioral Health
- Capital Blue Cross - HMO (Capital BlueCross and Federal Marketplace Plans)
- Capital Blue Cross - PPO Choice 1
- Capital Blue Cross - PPO Choice 2
- Capital Blue Cross - SeniorBlue PPO
- Capital Blue Cross/Capital Advantage Insurance Co. - Blue Card Participating Products
- Capital Blue Cross/Capital Advantage Insurance Co. - Capital Blue Cross Traditional
- Capital Blue Cross/Capital Advantage Insurance Co. - CHIP
- Capital Blue Cross/Capital Advantage Insurance Co. - Comprehensive
- Capital Blue Cross/Capital Advantage Insurance Co. - Federal Employee Program
- Capital Blue Cross/Capital Advantage Insurance Co. - POS
- Capital Blue Cross/Capital Advantage Insurance Co. - PPO
- Capital Blue Cross/Capital Advantage Insurance Co. - Security (Medicare Supplement)
- Capital Blue Cross/Capital Advantage Insurance Co. - SeniorBlue HMO
- Capital Blue Cross/Capital Advantage Insurance Co. - Special Care
- Christian HealthCare Ministries - Christian HealthCare Ministries
- Cigna - Choice Fund Open Access Plus
- Cigna - Choice Fund PPO
- Cigna - Cigna Health Savings
- Cigna - CIGNA HealthCare of Pennsylvania - Philadelphia
- Cigna - CIGNA Managed Care Network of Central Pennsylvania
- Cigna - CIGNA Managed Care Network of Pittsburgh Pennsylvania
- Cigna - EPO
- Cigna - Health Alliance Plan
- Cigna - Health Savings
- Cigna - Health Savings (all deductible levels)
- Cigna - HMO Open Access
- Cigna - Network Open Access
- Cigna - Open Access (all deductible levels)
- Cigna - Open Access Plan
- Cigna - Open Access Plus
- Cigna - Open Access Value (all deductible levels)
- Cigna - Open Access Value Plan
- Cigna - POS Open Access
- CIGNA of Pennsylvania - CIGNA - HMO
- CIGNA of Pennsylvania - CIGNA - PPO
- CIGNA of Pennsylvania - CIGNA Sarbridge Choices
- Cigna-HealthSpring - Cigna Healthspring Medicaid - MMAI
- Cigna-HealthSpring - HMN
- Cigna-HealthSpring - HMO
- Cigna-HealthSpring - Illinois Integrated Care Program (Medicaid)
- Cigna-HealthSpring - Medicare Advantage
- Cigna-HealthSpring - PPO
- Community Care Behavioral Health Organization - Behavioral Health
- Coventry Health Care - CoventryOne National
- Coventry Health Care - CoventryOne POS
- Coventry Health Care - First Health
- Delta Dental of Pennsylvania - PPO
- Delta Dental of Pennsylvania - Premier
- DentaQuest LLC - CHIP - Geisinger HealthPlan Product
- Devon Health Services - All Other Health Plans
- Employee Services Incorporated - EAP - Professional Services for clients of Employee Services Inc.
- First Health (Coventry Health Care) - First Health Network PPO
- Geisinger Health Plan - Aon Benefit Experience
- Geisinger Health Plan - AtlantiCare
- Geisinger Health Plan - Geisinger All-Access QHDHP HMO
- Geisinger Health Plan - Geisinger Choices HMO
- Geisinger Health Plan - Geisinger Choices PPO
- Geisinger Health Plan - Geisinger Employee Plan
- Geisinger Health Plan - Geisinger Funding Alternative All-Access QHDHP HMO
- Geisinger Health Plan - Geisinger Funding Alternative Choices HMO
- Geisinger Health Plan - Geisinger Funding Alternative Choices PPO
- Geisinger Health Plan - Geisinger Funding Alternative Premier HMO
- Geisinger Health Plan - Geisinger Funding Alternative Premier PPO
- Geisinger Health Plan - Geisinger Health Plan
- Geisinger Health Plan - Geisinger Marketplace Select HMO
- Geisinger Health Plan - Geisinger Premier PPO
- Geisinger Health Plan - Geisinger Student Health Plan
- Geisinger Health Plan - GHP Extra
- Geisinger Health Plan - GHP Family (Medical Assistance/Medicaid)
- Geisinger Health Plan - GHP Kids (CHIP)
- Geisinger Health Plan - GHP Solutions
- Geisinger Health Plan - Gold Classic Advantage (HMO)
- Geisinger Health Plan - Gold Heritage (HMO)
- Geisinger Health Plan - Holy Spirit
- Geisinger Health Plan - PEBTF Custom HMO, REHP Custom HMO
- Geisinger Health Plan - UFCW 1776 H and W Fund - Wise Foods
- Geisinger Health Plan - Wood-Mode, Inc. Employee Plan
- Geisinger Healthplan - Geisinger All Access HMO
- Geisinger Healthplan - Geisinger All Access PPO
- Geisinger Healthplan - Geisinger All-Access Extra HMO
- Geisinger Healthplan - Geisinger All-Access Extra POS
- Geisinger Healthplan - Geisinger All-Access POS
- Geisinger Healthplan - Geisinger All-Access QHDHP PPO
- Geisinger Healthplan - Geisinger Extra PPO
- Geisinger Healthplan - Geisinger Funding Alternative All- Access PPO
- Geisinger Healthplan - Geisinger Funding Alternative All- Access QHDHP PPO
- Geisinger Healthplan - Geisinger Funding Alternative All-Access Extra HMO
- Geisinger Healthplan - Geisinger Marketplace All-Access HMO
- Geisinger Healthplan - Geisinger Marketplace All-Access PPO
- Geisinger Healthplan - Geisinger Marketplace All-Access QHDHP PPO
- Geisinger Healthplan - Geisinger Marketplace All-Access Value
- Geisinger Healthplan - Geisinger Marketplace Extra HMO
- Geisinger Healthplan - Geisinger Marketplace Premier HMO
- Geisinger Healthplan - Geisinger PPO
- Geisinger Healthplan - Geisinger QHDHP PPO
- Geisinger Healthplan - Geisinger Small Group ACA QHDHP POS
- Geisinger Healthplan - Gold Classic 360 Rx (HMO)
- Geisinger Healthplan - Gold Classic Advantage Rx (HMO)
- Geisinger Healthplan - Gold Classic Complete Rx (HMO)
- Geisinger Healthplan - Gold Classic Essential Rx (HMO)
- Geisinger Healthplan - Gold Preferred Advantage Rx (PPO)
- Geisinger Healthplan - Gold Preferred Complete Rx (PPO)
- Geisinger Healthplan - Gold Preferred Enhanced Rx (PPO)
- Geisinger Healthplan - Gold Secure Rx (HMO DSNP)
- Health Net - National PPO - First Health
- HighMark Blue Cross Blue Shield - Advance Blue
- HighMark Blue Cross Blue Shield - AffordaBlue
- HighMark Blue Cross Blue Shield - Balance Blue PPO
- HighMark Blue Cross Blue Shield - Balance Blue PPO a Community Blue Flex Plan
- HighMark Blue Cross Blue Shield - Balance PPO
- HighMark Blue Cross Blue Shield - Balance PPO a Community Blue Flex Plan
- HighMark Blue Cross Blue Shield - Balance PPO a Community Blue Plan
- HighMark Blue Cross Blue Shield - BCBS EPO
- HighMark Blue Cross Blue Shield - BCBS PPO
- HighMark Blue Cross Blue Shield - CHIP
- HighMark Blue Cross Blue Shield - ClassicBlue
- HighMark Blue Cross Blue Shield - Community Blue EPO
- HighMark Blue Cross Blue Shield - Community Blue Flex - PA Mountains Healthcare Region
- HighMark Blue Cross Blue Shield - Community Blue Flex EPO
- HighMark Blue Cross Blue Shield - Community Blue Flex Penn Highlands Region
- HighMark Blue Cross Blue Shield - Community Blue Flex PPO
- HighMark Blue Cross Blue Shield - Community Blue PPO
- HighMark Blue Cross Blue Shield - Community Blue Premier Flex
- HighMark Blue Cross Blue Shield - DirectBlue
- HighMark Blue Cross Blue Shield - EPO Blue Total Health
- HighMark Blue Cross Blue Shield - EPOBlue
- HighMark Blue Cross Blue Shield - Flex PPO Total Health a Community Blue Plan
- HighMark Blue Cross Blue Shield - Freedom Blue Medicare Advantage
- HighMark Blue Cross Blue Shield - High Deductible PPO
- HighMark Blue Cross Blue Shield - KeystoneBlue
- HighMark Blue Cross Blue Shield - MedigapBlue
- HighMark Blue Cross Blue Shield - PPO Blue Total Health
- HighMark Blue Cross Blue Shield - PPOBlue
- HighMark Blue Cross Blue Shield - PPOPlus
- HighMark Blue Cross Blue Shield - SelectBlue
- HighMark Blue Cross Blue Shield - ShortTermBlue
- HighMark Blue Cross Blue Shield - Total Health Blue PPO
- HighMark Blue Cross Blue Shield - Total Health Blue PPO a Community Blue Plan
- HighMark Blue Shield - Commercial
- HighMark Blue Shield - Community Blue HMO
- HighMark Blue Shield - First Priority Health
- HighMark Blue Shield - First Priority Life Insurance Company
- HighMark Blue Shield - Freedom Blue
- Horizon Blue Cross Blue Shield of New Jersey - Federal Employee Plan - Basic Option
- Horizon Blue Cross Blue Shield of New Jersey - Federal Employee Plan - Standard Option
- Integrated Behavioral Health - Behavioral Health
- Integrated Health Plan Behavioral Health - Behavioral Health
- Jefferson Health Plan - CHIP
- Jefferson Health Plan - Medicaid
- LIFE Geisinger - LIFE Geisinger
- Magellan Behavioral Health - Behavioral Health Program
- Managed Health Network, Inc. (MHN) - Health Net of the Northeast - HMO and POS
- Managed Health Network, Inc. (MHN) - Health Net of the Northeast - PPO
- Medicaid - Fee For Service (FFS)
- Medicaid - Managed Care
- Medicaid - Managed Long Term Services and Supports (MLTSS)
- Medicaid - Medicaid
- Medicaid - Medically Needy / Share of Cost
- Medicare - Medicare
- Memorial Hermann - MultiPlan
- Memorial Hermann - PHCS
- Mental Health Network (MHNet) - Behavioral Health Program
- MHNet Behavioral Health - Commercial
- Moda Health - PHCS
- Multiplan PHCS - Multiplan
- Multiplan PHCS - MultiPlan Complementary
- Multiplan PHCS - MultiPlan Preventative Services Only
- Multiplan PHCS - MultiPlan Specific Services
- Multiplan PHCS - PHCS
- Multiplan PHCS - PHCS Healthy Directions or Extended PPO
- Multiplan PHCS - PHCS Limited Benefit Plan
- Multiplan PHCS - PHCS Practioner Only
- Multiplan PHCS - PHCS Preventative Service Only
- Multiplan PHCS - PHCS Savility
- Multiplan PHCS - ValuePoint by MultiPlan
- Optum Veterans Affairs Community Care Network - Medicare
- Oscar Health Insurance - Medicare
- PA Health and Wellness - Ambetter
- PA Health and Wellness - Community Health Choices
- PA Health and Wellness - PA Community Health Choices
- POMCO - POMCO-PHCS/Multiplan
- Private Healthcare Systems - Private Healthcare Systems (PHCS) (PPO)
- Tricare - TRICARE Extra - HealthNet Federal Services
- Tricare - TRICARE For Life
- Tricare - TRICARE Prime - HealthNet Federal Services
- Tricare - TRICARE Reserve Select (TRS)
- Tricare - TRICARE Select
- Tricare - TRICARE Standard - HealthNet Federal Services
- United Behavioral Health - United Behavioral Health
- United Concordia Companies - FEP
- United Concordia Companies - National Fee for Service
- United Concordia Companies - PA CHIP
- United Concordia Companies - ParNet/Advantage
- UnitedHealthcare - PacifiCare Signature POS
- UnitedHealthcare - UnitedHealthcare CHIP
- UnitedHealthcare - UnitedHealthcare Commercial
- UnitedHealthcare - UnitedHealthcare Community Plan
- UnitedHealthcare - UnitedHealthcare Medicaid
- UnitedHealthOne - UnitedHealthcare Navigate
- UnitedHealthOne - UnitedHealthcare Navigate Plus
- UPMC - UPMC for You Medicare Advantage
- ValueOptions - ValueOptions
- Workers Compensation - Workers Compensation a Campus of Geisinger Medical Center
Ratings & Reviews
4.8 out of 5
76 ratings, 10 reviewsThe Patient Satisfaction Rating is an average of all responses to the care provider related questions (shown below) from our independently conducted surveys (by Press Ganey Associates) sent to patients within two weeks after their visit with their care provider.
Explanations about your problem/condition
Concern shown for your questions/worries
Provider included you in decisions
Your confidence in care provider
Likelihood of recommending to others
CP discuss treatments
- 5 out of 5 starsReviewed on 2/7/2026
Dr Parker explained in great detail how he was going to proceed.
- 5 out of 5 starsReviewed on 2/4/2026
I actually have already referred a friend to Dr Parker!!
- 5 out of 5 starsReviewed on 11/13/2025
I meet Dr. David Parker to me he's the best Dr.
- 5 out of 5 starsReviewed on 10/22/2025
Very personable, took time to listen and ask questions. Discussed various options for assessing the problem
- 3 out of 5 starsReviewed on 8/29/2025
Never got to express concerns, ask questions, etc because he did not return. I felt like I knew less after my appointment than before.
- 5 out of 5 starsReviewed on 7/23/2025
Dr Parker was Fabulous he gave me confidence and told me exactly how we should go about the situation and I have full confidence in Dr Parker decision
- 5 out of 5 starsReviewed on 6/22/2025
[...] is always friendly, informative to my medical needs, answers all my questions and concerns I have had before surgery and after surgery. I am very pleased with [...]
- 5 out of 5 starsReviewed on 6/6/2025
Dr Parker is the best!
- 5 out of 5 starsReviewed on 4/24/2025
Dr. Parker is a fantastic provider. He is makes me feel at ease.
- 5 out of 5 starsReviewed on 4/24/2025
Dr. Parker really took his time explaining things to me. He used diagrams, which was very helpful.