William P. Thomas, M.D.
Internal Medicine Physician · Lewiston, ME
William P. Thomas, M.D. is an internal medicine physician with a practice address in Lewiston, Maine, and NPI 1184646234, issued on Jul 24, 2006. Check the license (Maine MD22405, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- William P. Thomas
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD22405 ME
16579 AL
Self-reported in NPPES; status is on the state search - Practice location
- 93 Campus Ave Ste G025, Lewiston, ME 04240
- Phone
- (207) 777-4320
- Enumerated
- Jul 24, 2006
- Record last updated
- Sep 26, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (207) 777-4331
- Medicaid ID
- 009934453 AL
- Medicare enrollment
- Enrolled (PECOS I20140212001859); accepts Medicare assignment
- Medical or professional school
- University Of Alabama School Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 597 in Maine → Look up another NPI →
Also registered at 93 Campus Ave Ste G025
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tammy Abbott, NPFamily Nurse Practitioner1578199246
- Sreeparna Ghosh, MDCritical Care Medicine (Internal Medicine) Physician1366858425
- Robert McArdle, D.O.Pulmonary Disease Physician1073625356
- Lauren Pieri, PAMedical Physician Assistant1609962430
- Alycia Reppel, MDPhysical Medicine & Rehabilitation Physician1366702821
Verify William P. Thomas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD22405Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3 hospitals and group practices
- Yuma Regional Medical CenterYuma, AZ · Acute Care Hospitals2 of 5 stars
- West Tennessee Healthcare Hospitalists IncJackson, TN
- West Tennessee Medical Group IncJackson, TN
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.
William P. Thomas among 597 internal medicine physician records in Maine
William P. Thomas, M.D. is one of 597 internal medicine physician records with a practice address in Maine. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 44% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1991 · median 2005 among the 369 with a school on file
- Record last updated2018 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
30 internal medicine physician records list a practice address in Lewiston
They are 30 of the 1,728 NPPES records with a practice address in Lewiston, and 597 internal medicine physician records in Maine.
All 597 in Maine → Every provider in Lewiston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Michael Boulanger, MDLewiston, ME 042401376573774
- Jeffrey Brown, MDLewiston, ME 042401942237490
- Oscar Cabatingan, MDLewiston, ME 042401699746156
- Bruce ConditLewiston, ME 042401669451209
- John Dickens, MD, MPH, SFHMLewiston, ME 042401053390609
- Glenn Focht, M.D.Lewiston, ME 042401831138148
- Claudia GeyerLewiston, ME 042401689653230
- R Hanson, MD, MPHLewiston, ME 042401457356990
Common questions
What is William P. Thomas, M.D.'s NPI number?
William P. Thomas, M.D.'s National Provider Identifier (NPI) is 1184646234, issued on Jul 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William P. Thomas, M.D. located?
The NPPES record lists a practice address at 93 Campus Ave Ste G025, Lewiston, ME, 04240. Phone: (207) 777-4320. Providers update this record themselves, so call before visiting.
How can I verify William P. Thomas, M.D.'s license?
NPPES lists Maine license number MD22405, 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.
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.