Andrew J. Thornton, M.D.
Nephrology Physician · Lewiston, ME
Andrew J. Thornton, M.D. is a nephrology physician with a practice address in Lewiston, Maine, and NPI 1962458091, issued on May 26, 2006. Check the license (Maine MD17169, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Andrew J. Thornton
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- MD17169 ME
Self-reported in NPPES; status is on the state search - Practice location
- 77 Bates St Ste 5, Lewiston, ME 04240
- Phone
- (207) 783-1449
- Enumerated
- May 26, 2006
- Record last updated
- Apr 1, 2025
- Fax
- (207) 777-3865
- Medicaid ID
- 432279699 ME
- Medicare enrollment
- Enrolled (PECOS I20060728000083); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 2000
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 50 in Maine → Look up another NPI →
Verify Andrew J. Thornton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD17169Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average nephrology physician in 2024
897 Medicare Part D claims for 218 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Amlodipine Besylate136 claims
- Losartan Potassium73 claims
- Hydralazine Hcl66 claims
- Lisinopril60 claims
- Calcitriol56 claims
- Sevelamer Carbonate45 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).
Bills Medicare through 2 group practices
- MainehealthBath, ME
- Nephrology Associates OF Central MaineLewiston, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew J. Thornton among 50 nephrology physician records in Maine
Andrew J. Thornton, M.D. is one of 50 nephrology physician records with a practice address in Maine. 86% 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 28% of them.
- NPI issued2006 · 28% of these records are older, 46% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2000 · median 2001 among the 38 with a school on file
- Record last updated2025 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Maine
There are 50 nephrology physician records in Maine.
All 50 in Maine → Every provider in Lewiston → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Cynthia Desoi, M.D.Lewiston, ME 042401689620130
- Matthew Pyenta, D.O.Lewiston, ME 042401386628063
- Jenie Smith, M.D.Lewiston, ME 042401881634350
- Jeremy Wright, D.O.Lewiston, ME 042401265870968
- Elias Lemoine, D.O.Augusta, ME 043301790925931
- David Redding, DOAugusta, ME 043301962636787
- Zain Alshanableh, MDPortland, ME 041021972159598
- Jonathan Amatruda, M.D.Portland, ME 041021912387713
Common questions
What is Andrew J. Thornton, M.D.'s NPI number?
Andrew J. Thornton, M.D.'s National Provider Identifier (NPI) is 1962458091, issued on May 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Andrew J. Thornton, M.D. located?
The NPPES record lists a practice address at 77 Bates St Ste 5, Lewiston, ME, 04240. Phone: (207) 783-1449. Providers update this record themselves, so call before visiting.
How can I verify Andrew J. Thornton, M.D.'s license?
NPPES lists Maine license number MD17169, 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 Andrew J. Thornton, M.D. prescribe under Medicare Part D?
In 2024, Andrew J. Thornton, M.D. had 897 Medicare Part D claims for 218 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Andrew J. Thornton, M.D.'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.