Jonathan Amatruda, M.D.
Nephrology Physician · Portland, ME
Jonathan Amatruda, M.D. is a nephrology physician with a practice address in Portland, Maine, and NPI 1912387713, issued on Jun 5, 2015. Check the license (Maine MD28202, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jonathan Amatruda
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- MD28202 ME
A155033 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1600 Congress St Ste B, Portland, ME 04102
- Phone
- (207) 774-5222
- Enumerated
- Jun 5, 2015
- Record last updated
- Jul 9, 2024
- Medicare enrollment
- Enrolled (PECOS I20240806003864); accepts Medicare assignment
- Medical or professional school
- University Of Connecticut School Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 50 in Maine → Look up another NPI →
Also registered at 1600 Congress St Ste B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Zain Alshanableh, MDNephrology Physician1972159598
- Lola Amdahl, PA-CPhysician Assistant1487291050
- Melissa Asci, APRN-CNPAcute Care Nurse Practitioner1881483030
- Abigail Cleary, AGACNPAcute Care Nurse Practitioner1811795008
- Robert Hayden, MDNephrology Physician1912468778
- Lisa Hutter, RDRegistered Dietitian1114360468
Verify Jonathan Amatruda in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD28202Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average nephrology physician in 2024
365 Medicare Part D claims for 69 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Furosemide46 claims
- Amlodipine Besylate41 claims
- Jardiance29 claims
- Sevelamer Carbonate27 claims
- Calcium Acetate26 claims
- Carvedilol23 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 practice group's MIPS final score for 2023 (Medicare payment program): 91.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- MainehealthBiddeford, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan Amatruda among 50 nephrology physician records in Maine
Jonathan Amatruda, 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 2015, is newer than 82% of them.
- NPI issued2015 · 82% of these records are older, 16% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2015 · median 2001 among the 38 with a school on file
- Record last updated2024 · 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 Portland → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Michael Akom, M.D.Portland, ME 041021508827585
- Carl Blond, M.D.Portland, ME 041021174507776
- Patricia Cantlin, DOPortland, ME 041021275533994
- Ioan Cosma, MDPortland, ME 041021356540454
- Gary Diperna, DOPortland, ME 041021649567579
- Robert Isom, M.D.Portland, ME 041021356428072
- Mahendra Mangray, MDPortland, ME 041021801074919
- Paul Parker, MDPortland, ME 041021649278029
Common questions
What is Jonathan Amatruda, M.D.'s NPI number?
Jonathan Amatruda, M.D.'s National Provider Identifier (NPI) is 1912387713, issued on Jun 5, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Amatruda, M.D. located?
The NPPES record lists a practice address at 1600 Congress St Ste B, Portland, ME, 04102. Phone: (207) 774-5222. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Amatruda, M.D.'s license?
NPPES lists Maine license number MD28202, 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 Jonathan Amatruda, M.D. prescribe under Medicare Part D?
In 2024, Jonathan Amatruda, M.D. had 365 Medicare Part D claims for 69 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Jonathan Amatruda, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.9 of 100, reported for the practice group. 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.