Thomas J. Ryan, D.O.
Hospitalist Physician · Houlton, ME
Thomas J. Ryan, D.O. is a hospitalist physician with a practice address in Houlton, Maine, and NPI 1528239951, issued on Mar 13, 2008. Check the license (Maine 2076, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Thomas J. Ryan
- Credential
- D.O.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 2076 ME
228303 MA
Self-reported in NPPES; status is on the state search - Practice location
- 20 Hartford St, Houlton, ME 04730
- Phone
- (207) 532-2900
- Enumerated
- Mar 13, 2008
- Record last updated
- Aug 25, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (207) 532-5974
- Medicare enrollment
- Enrolled (PECOS I20090731000128); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 2006
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 245 in Maine → Look up another NPI →
Also registered at 20 Hartford St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shahriar Anoushfar, D.O.Surgery Physician1841258365
- Kathryn Berry, PT, DPTPhysical Therapist1427655638
- Rahila Bilal, MDAnesthesiology Physician1689720120
- John Bohannon, MDFamily Medicine Physician1598838278
- Jennifer CavalariFamily Medicine Physician1215340617
- Chelsea Delucca, PHARMDPharmacist1609727387
Verify Thomas J. Ryan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license 2076Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average hospitalist physician in 2024
237 Medicare Part D claims for 94 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 11 claims were for opioids.
Most prescribed
- Prednisone21 claims
- Potassium Chloride17 claims
- Doxycycline Hyclate15 claims
- Levofloxacin14 claims
- Furosemide11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 98.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
4 hospitals and group practices
- Down East Community HospitalMachias, ME · Critical Access Hospitals4 of 5 stars
- MainehealthFarmington, ME
- Millinocket Regional HospitalMillinocket, ME · Critical Access Hospitals
- Penobscot Valley HospitalLincoln, ME · Critical Access Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Thomas J. Ryan among 245 hospitalist physician records in Maine
Thomas J. Ryan, D.O. is one of 245 hospitalist physician records with a practice address in Maine. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 36% of them.
- NPI issued2008 · 36% of these records are older, 60% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 84% of these records are
- Graduated2006 · median 2012 among the 206 with a school on file
- Record last updated2011 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Maine
There are 245 hospitalist physician records in Maine.
All 245 in Maine → Every provider in Houlton → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Jeffrey Hoeksma, M.D., BSCCaribou, ME 047361407296080
- Patrick Mitchell, M.D., PH.D.Fort Kent, ME 047431093134306
- Mohammed Aziz, MDPresque Isle, ME 047691508886649
- Niraj Karki, M.D.Presque Isle, ME 047691952670309
- Roger Pelli, DOPresque Isle, ME 047691073539581
- Ram Mohan Venepally, MDPresque Isle, ME 047691033368113
- Elizabeth Boogusch, M.D.Camden, ME 048431801996772
- Ronald Prokopius, MDBlue Hill, ME 046141295732097
Common questions
What is Thomas J. Ryan, D.O.'s NPI number?
Thomas J. Ryan, D.O.'s National Provider Identifier (NPI) is 1528239951, issued on Mar 13, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Thomas J. Ryan, D.O. located?
The NPPES record lists a practice address at 20 Hartford St, Houlton, ME, 04730. Phone: (207) 532-2900. Providers update this record themselves, so call before visiting.
How can I verify Thomas J. Ryan, D.O.'s license?
NPPES lists Maine license number 2076, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas J. Ryan, D.O. prescribe under Medicare Part D?
In 2024, Thomas J. Ryan, D.O. had 237 Medicare Part D claims for 94 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Thomas J. Ryan, D.O.'s MIPS final score?
The 2023 MIPS final score is 98.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.