NPPES file of Aug 9, 2026

Robert N. Merrill, MD

Family Medicine Physician · Rockport, ME

Robert N. Merrill, MD is a family medicine physician with a practice address in Rockport, Maine, and NPI 1841320926, issued on Mar 6, 2007. Check the license (Maine 12983, 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
1841320926
Name
Robert N. Merrill
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
12983 ME
Self-reported in NPPES; status is on the state search
Practice location
821 Commercial St, Rockport, ME 04856
Phone
(207) 596-7148
Enumerated
Mar 6, 2007
Record last updated
Jun 30, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(207) 596-7154
Medicare enrollment
Enrolled (PECOS I20050613000486); accepts Medicare assignment
Medical or professional school
Ohio State University College Of Medicine, 1984
Telehealth
Offers telehealth (CMS)
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.
Download card Updates feed

Also registered at 821 Commercial St

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

  1. Diane Batley, F.N.P.Primary Care Nurse Practitioner1063546521

Verify Robert N. Merrill 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 12983
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

2.9 times the Medicare Part D claims of the average family medicine physician in 2024

10,264 Medicare Part D claims for 849 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 217 claims were for opioids.

  1. Robert Merrill10,264
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium677 claims
  2. Levothyroxine Sodium391 claims
  3. Losartan Potassium345 claims
  4. Lisinopril333 claims
  5. Amlodipine Besylate310 claims
  6. Metoprolol Succinate292 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.

Bills Medicare through one group practice

  1. MainehealthRockport, ME

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

Robert N. Merrill among 1,172 family medicine physician records in Maine

Robert N. Merrill, MD is one of 1,172 family medicine physician records with a practice address in Maine. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.

  • NPI issued2007 · 48% of these records are older, 44% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated1984 · median 2008 among the 668 with a school on file
  • Record last updated2008 · 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 207Q00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

23 family medicine physician records list a practice address in Rockport

They are 23 of the 387 NPPES records with a practice address in Rockport, and 1,172 family medicine physician records in Maine.

The 8 family medicine physician records with the nearest ZIP codes

  1. Judith Andersen, M.D.Rockport, ME 048561235152760
  2. Mary Ashmore, D.O.Rockport, ME 048561386751972
  3. Jacqueline Caldwell, M.D.Rockport, ME 048561700091030
  4. David Hall, MDRockport, ME 048561629035068
  5. Bruce Hoekstra, M.D.Rockport, ME 048561598725871
  6. Julie Hurley, DORockport, ME 048561437266434
  7. Jeffrey Landfair, MDRockport, ME 048561801967922
  8. Ira Mandel, M.D.Rockport, ME 048561194707687

Common questions

What is Robert N. Merrill, MD's NPI number?

Robert N. Merrill, MD's National Provider Identifier (NPI) is 1841320926, issued on Mar 6, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Robert N. Merrill, MD located?

The NPPES record lists a practice address at 821 Commercial St, Rockport, ME, 04856. Phone: (207) 596-7148. Providers update this record themselves, so call before visiting.

How can I verify Robert N. Merrill, MD's license?

NPPES lists Maine license number 12983, 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 N. Merrill, MD prescribe under Medicare Part D?

In 2024, Robert N. Merrill, MD had 10,264 Medicare Part D claims for 849 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.