NPPES file of Aug 9, 2026

Eric Holmes, PA-C

Nephrology Physician · Portland, ME

Eric Holmes, PA-C is a nephrology physician with a practice address in Portland, Maine, and NPI 1740540293, issued on May 17, 2012. Check the license (Maine PA1329, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1740540293
Name
Eric Holmes
Credential
PA-C
Primary taxonomy
Nephrology Physician 207RN0300X
License number
PA1329 ME
Self-reported in NPPES; status is on the state search
Practice location
1600B Congress St, Portland, ME 04102
Phone
(207) 774-5222
Enumerated
May 17, 2012
Record last updated
May 17, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(207) 761-4433
Medicare enrollment
Enrolled (PECOS I20120822000132); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1600B Congress St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Michael Akom, M.D.Nephrology Physician1508827585
  2. Patricia Cantlin, DONephrology Physician1275533994
  3. Stephen CihockiAcute Care Nurse Practitioner1407455793
  4. Ioan Cosma, MDNephrology Physician1356540454
  5. Gary Diperna, DONephrology Physician1649567579
  6. Mahendra Mangray, MDNephrology Physician1801074919

Verify Eric Holmes in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
    Search for license PA1329
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maine license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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19% fewer Medicare Part D claims than the average nephrology physician in 2024

1,184 Medicare Part D claims for 245 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. Eric Holmes1,184
  2. Specialty average1,465

Most prescribed

  1. Amlodipine Besylate136 claims
  2. Losartan Potassium110 claims
  3. Calcitriol96 claims
  4. Lisinopril87 claims
  5. Furosemide74 claims
  6. Bumetanide43 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.

  1. Qualityout of 100 · 30% of the final score86.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. MainehealthPortland, ME

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Eric Holmes among 50 nephrology physician records in Maine

Eric Holmes, PA-C 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 2012, is newer than 74% of them.

  • NPI issued2012 · 74% of these records are older, 22% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated2011 · median 2001 among the 38 with a school on file
  • Record last updated2012 · 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.

The 8 nephrology physician records with the nearest ZIP codes

  1. Michael Akom, M.D.Portland, ME 041021508827585
  2. Carl Blond, M.D.Portland, ME 041021174507776
  3. Patricia Cantlin, DOPortland, ME 041021275533994
  4. Ioan Cosma, MDPortland, ME 041021356540454
  5. Gary Diperna, DOPortland, ME 041021649567579
  6. Robert Isom, M.D.Portland, ME 041021356428072
  7. Mahendra Mangray, MDPortland, ME 041021801074919
  8. Paul Parker, MDPortland, ME 041021649278029

Common questions

What is Eric Holmes, PA-C's NPI number?

Eric Holmes, PA-C's National Provider Identifier (NPI) is 1740540293, issued on May 17, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Eric Holmes, PA-C located?

The NPPES record lists a practice address at 1600B Congress St, Portland, ME, 04102. Phone: (207) 774-5222. Providers update this record themselves, so call before visiting.

How can I verify Eric Holmes, PA-C's license?

NPPES lists Maine license number PA1329, 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 Eric Holmes, PA-C prescribe under Medicare Part D?

In 2024, Eric Holmes, PA-C had 1,184 Medicare Part D claims for 245 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.

What is Eric Holmes, PA-C'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.