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Phone: 800-275-6401
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Providers call:1.800.332.8901
Patients call:1.800.275.6401


This provider sees patients at the following locations:


Rheumatology Danville
100 N Academy Ave
Danville, PA 17822
Rheumatology Selinsgrove
620 University Ave
Selinsgrove, PA 17870

There is no publicly available rating for this care provider for one or more of the following reasons:
  1. He or she does not see patients in the outpatient clinic setting.
  2. He or she sees patients, but has not yet received the minimum number of Patient Satisfaction Reviews. To be eligible for display, we require a minimum of 40 surveys. This ensures that the rating is accurate and statistically reliable.
  3. He or she is a community provider, not a Geisinger-employed provider. Community providers tend to see patients in their own private outpatient practices, which we do not survey.

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Harrington, Thomas Michael, MD Visit Geisinger.org for information on Thomas Michael Harrington, MD. Find contact information, medical education, affiliated hospitals and more.
Assistant Director, Department of Rheumatology
Overall Rating:
4.8 out of 5
1 278 ratings
55 comments

Practicing Specialties:

  • Rheumatology, Board Certified, 1984

Education:

  • Temple University, School of Medicine 1976

Residency:

  • Geisinger Medical Center 1979

Fellowship:

  • Geisinger Medical Center 1981
    Rheumatology
  • Mayo Clinic - Rochester, MN 1982
    Rheumatology

Clinical Interests:

- Arthritis
- Polyarthritis
- Osteoarthritis (OA)
- Gout
- Pseudogout
- Rheumatoid arthritis (RA)
- Lupus
- Systemic lupus erythematosus (SLE)
- Undifferentiated connective tissue disease
- Scleroderma
- Raynauds
- Mixed connective tissue disease
- Sjogren’s
- Dermatomyositis
- Polymyositis
- Psoratic arthritis
- Ankylosing spondylitis
- Reactive arthritis
- Inflammatory bowel arthritis
- Polymyalgia rheumatica (PMR)
- Giant cell arteritis
- Temporal arteritis
- Vasculitis
- Arteritis
- Osteoporosis
- Glucocorticoid-induced osteoporosis
- Septic arthritis

Professional Memberships:

  • American College of Rheumatology - Fellow

Patient Satisfaction Ratings:

The Patient Satisfaction Rating is an average of all responses to care provider-related questions on our nationally recognized Press Ganey Patient Satisfaction Survey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Learn more about our survey >
1. Friendliness/courtesy of provider
- 4.9 out of 5
2. Provider explanations of prob/condition
- 4.8 out of 5
3. Provider concern for questions/worries
- 4.8 out of 5
4. Provider efforts to include in decisions
- 4.8 out of 5
5. Provider information about medications
- 4.7 out of 5
6. Provider instructions for follow-up care
- 4.8 out of 5
7. Provider spoke using clear language
- 4.9 out of 5
8. Time provider spent with patient
- 4.8 out of 5
9. Patients' confidence in provider
- 4.8 out of 5
10. Likelihood of recommending provider
- 4.8 out of 5

Patient Comments:

The comments are submitted by patients (or their caregivers) and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of Geisinger. Learn more about our survey >
Jan 22
This was the best visit I have had with a rheumatologist ever. First time a complete history was discussed regarding when symptoms started etc. Visit was not rushed Doctor explained everythong to me and answered all of my questions.
Dec 22, 2015
I have been seen by Dr. Harrington for a number of years and he has always been great to see. He explains every thing to me so I understand. I was deployed over seas in 2008 and he was in contact with the P.A. that was stationed on my base in charge of our care.
Dec 17, 2015
I have referred several people to Dr. Harrington.
Dec 16, 2015
Dr. Harrington is always friendly & professional. He always answers my questions in ways that's easy for me to understand
Dec 7, 2015
Dr. Harrington has greatly reduced the pain in my knees. He is very competent and caring. I cannot really say enough about how he has given back my quality of life.
Dec 2, 2015
I am thankful for Dr. Harrington. His ability to treat chronically very sick people is amazing!
Dec 2, 2015
I never had a bad experience at Geisinger
Nov 30, 2015
Excellent doctor.
Nov 24, 2015
Dr. Harrington is an exceptional physician! He is always concerned with my level of comfort and quality of life.
Nov 23, 2015
I've been a patient of Dr. Harrington for about 14 years; I trust him completely and appreciate his care, concern and sense of humor.
Nov 19, 2015
Great experiences with Dr Harrington. His caring and help has helped me survive.
Nov 19, 2015
When Dr. Perruquet left GMC he left a summary of my case. Dr. Harrington took the time to read the summary and was familiar with my patient history at the time of my initial visit with him.
Nov 19, 2015
Excellent man diagnosed all 3 types of _____. I can not say enough about the excellent care.
Nov 17, 2015
I was referred to Dr. Harrington by my family doctor and it has been a good experience.
Nov 4, 2015
Have recommended to others
Nov 4, 2015
As you can see I'm a happy camper.
Nov 2, 2015
Dr. Harrington has always prescribed the proper medicine and treatments for my issues.
Oct 19, 2015
I always leave Dr. Harrington's office feeling very good about my visit, and I have the utmost confidence in his advice concerning my health.
Oct 12, 2015
I recommended my Dr. several times to others already!
Oct 9, 2015
They are very skilled people in their job nurses as well as doctors and administrative staff.
Oct 7, 2015
Dr. Harrington ALWAYS pays attention to any problems.
Sep 15, 2015
Dr. Harrington is excellent!
Sep 10, 2015
very good experience. thank him
Sep 9, 2015
*Dr. Harrington is the very best! Had concern is courtesy.
Sep 3, 2015
Dr. Harrington has given excellent care to my husband and me through the years.
Sep 2, 2015
I really am glad to have Dr Harrington as my doctor, he is always willing to work with me on medication issues.
Aug 26, 2015
have always felt Dr. Harrington was sincerely concerned for my quality of life in dealing with my arthritis.
Aug 19, 2015
Great doctor!
Aug 14, 2015
Dr. Harrington has been my Doctor since the early 90's. I wish all my Doctors were as caring & kind as Dr. Harrington. He takes the time to listen & talk to me. On a scale from 1-10, he is a 10.
Aug 12, 2015
Best doctor and staff!
Jul 16, 2015
I always feel very comfortable talking to Dr. Harrington about any issues or concerns. He takes the time to explain any concerns or questions I have and makes recommendations.
Jul 10, 2015
Excellent Dr who saw me the day Icalled with pain. He always is professional and caring.
Jul 2, 2015
I have the upmost confidence in *Dr. Harrington.
June 25, 2015
Dr. Harrington is an exceptional physician.
June 24, 2015
it's always a great experience, I have no complaints
June 1, 2015
I had a new problem and he network ASAP to get me another specialist while taking care of his area of expertise.
May 27, 2015
I met with Dr. Harrington's resident for the majority of the appointment. I felt they couldn't do anything for my condition. They completed labs to rule out certain conditions. I received an email the day after the appointment to return as my labs were positive (not sure for what). I return to see Dr. Harrington on 06/18/15. I should have better observations/ opinion of the care provider at that time.
May 15, 2015
Dr. Harrington is absolutely at the top of my list as a caregiver! He has taken care of my Father; and, he is currently seeing my Mother and my youngest sister. Thank you, Geisinger, for having Dr. Harrington available to us!
May 14, 2015
Doc Harrington makes me feel personal like he knows me well enough to talk about anything with me. Its always a pleasure to have my follow up appt.
May 12, 2015
He is always friendly. Explaining treatments, meds, etc.
Apr 24, 2015
Dr. Harrington was short, uncaring, and could have cared less about my condition once he determined I did not have RA. He spent a portion of the visit with his hand on the doorknob to leave and seemed irritated that I asked numerous questions about a medication he prescribed for me. While the resident doctor was thorough and genuine, I found Dr. Harrington to be the worst physician I have ever seen. The medication he ordered wasn't even on the Geisinger Health Plan formulary and I had to contact the on-call doctor to phone the pharmacy with a different prescription! All in all, a frustrating experience.
Apr 15, 2015
Very good doctor.
Apr 3, 2015
Dr Harrington is very professional and always does a great job with my knee injections.
March 31, 2015
Dr. Harrington was thorough and took the time to evaluate me as a whole and did not isolate one part. The whole picture helps to connect the condition. I was pleased with the whole exam and recommendations for PT, OT and Vit D script. I hope they help me and I have good results on my return visit.
March 27, 2015
there has been no response back on the outcome of the x ray and decision ??
March 17, 2015
I have been a patient for sometime of Dr. Harrington and can think of nothing but good things to say,
March 9, 2015
I have trusted Dr. Harrington with my life & I have recommended him. This service is a waste of my time because if I had issues I would have called.
Feb 26, 2015
Dr. Harrington has always been proactive in my care. I feel confident and comfortable when we discuss medication. He has my best interest at heart.
Feb 25, 2015
Dr. Harrington always takes time to listen to me and never makes me feel he is in a hurry. I really appreciate his caring manner.
Feb 23, 2015
Dr. Harrington expressed concern about the dosage of my daily calcium pill and the presence and amount of Vitamin D included with it. He also wished to know a more precise breakdown of the daily multi-vitamin & mineral packet I take. He was concerned about bone density issues as well as drug interaction.
Feb 13, 2015
Dr Harrington is great! He always explains things in detail for me to understand. Always shows concern. He's helped me a lot over the past couple years with my health issues. He worked with me to adjust my meds to get me to where I am today. Can't say enough good things about him!
Feb 10, 2015
Over the years I have been well satisfied.
Feb 10, 2015
Please keep Harrington here even it he can ONLY work couple days a month.
Feb 9, 2015
Dr. Harrington has brought me a long way since my arthritis hit me at age 60.
Feb 9, 2015
Dr Harrington is a very good doctor. I have confidence in him.