Thomas Ryan, D.O.
Internal Medicine Physician · Houlton, ME
Thomas Ryan, D.O. is an internal medicine 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 Ryan
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- 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
- Entity
- Type 1 · individual
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 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
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
237 Medicare Part D claims for 94 beneficiaries, against an average of 2,785 among the 127,794 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 Medicare quality score for 2023: 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 hospital and facility affiliations
- 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 affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
7 internal medicine physician records list a Houlton practice address
They are 7 of the 258 NPPES records with a Houlton practice address, and 743 internal medicine physician records in Maine.
All 7 in Houlton → All 743 in Maine → Every provider in Houlton →
Other internal medicine physician records in Maine
- Christopher Abbott, D.O.Lewiston, ME1982043329
- Karen Abernathy, M.D.Rockport, ME1124312335
- Hassan Abouleish, MDHoulton, ME1255300307
- Philip Abraham, M.D.Kittery, ME1497750764
- Alexander Abud, MDRockport, ME1235669706
- Elizabeth Ackerson, MDPortland, ME1912920117
- Lindsey Ackley-Pozzessere, DOBrunswick, ME1477991842
- Todd Adams, MDMoody, ME1427165778
- Adedeji Ademiluyi, MDBiddeford, ME1467013268
- Jason Adler, MDSouth Portland, ME1194252148
Common questions
What is Thomas Ryan, D.O.'s NPI number?
Thomas 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 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 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 Ryan, D.O. prescribe under Medicare Part D?
In 2024, Thomas Ryan, D.O. had 237 Medicare Part D claims for 94 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
What is Thomas Ryan, D.O.'s Medicare quality 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.