NPPES file of Aug 9, 2026

Robert Morse Hayden, MD

Nephrology Physician · Portland, ME

Robert Morse Hayden, MD is a nephrology physician with a practice address in Portland, Maine, and NPI 1912468778, issued on Mar 26, 2019. Check the license (Maine MD27949, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912468778
Name
Robert Morse Hayden
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License number
MD27949 ME
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
Mar 26, 2019
Record last updated
Mar 24, 2025
Medicare enrollment
Enrolled (PECOS I20240807000631); 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 1600 Congress St Ste B

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

  1. Zain Alshanableh, MDNephrology Physician1972159598
  2. Jonathan Amatruda, M.D.Nephrology Physician1912387713
  3. Lola Amdahl, PA-CPhysician Assistant1487291050
  4. Melissa Asci, APRN-CNPAcute Care Nurse Practitioner1881483030
  5. Abigail Cleary, AGACNPAcute Care Nurse Practitioner1811795008
  6. Lisa Hutter, RDRegistered Dietitian1114360468

Verify Robert Morse Hayden 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 MD27949
    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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97% fewer Medicare Part D claims than the average nephrology physician in 2024

47 Medicare Part D claims for 20 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.

  1. Robert Hayden47
  2. Specialty average1,465

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.

Industry payments in 2024: $36.44

3 payments; by number, the most common kind was education; the largest payer was Travere Therapeutics, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Robert Hayden$36.44
  2. Specialty average$3,091.37

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. MainehealthBiddeford, ME

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

Robert Morse Hayden among 50 nephrology physician records in Maine

Robert Morse Hayden, MD 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 2019, is newer than 96% of them.

  • NPI issued2019 · 96% of these records are older, 0% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated2019 · 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.

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 Robert Morse Hayden, MD's NPI number?

Robert Morse Hayden, MD's National Provider Identifier (NPI) is 1912468778, issued on Mar 26, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Robert Morse Hayden, MD 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 Robert Morse Hayden, MD's license?

NPPES lists Maine license number MD27949, 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 Robert Morse Hayden, MD prescribe under Medicare Part D?

In 2024, Robert Morse Hayden, MD had 47 Medicare Part D claims for 20 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.

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.