NPPES file of Aug 9, 2026

Rodney R. Mayhorn, MD

Cardiovascular Disease Physician · Rockport, ME

Rodney R. Mayhorn, MD is a cardiovascular disease physician with a practice address in Rockport, Maine, and NPI 1326095902, issued on May 28, 2006. Check the license (Maine MD20423, 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
1326095902
Name
Rodney Mayhorn
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
MD20423 ME
Self-reported in NPPES; status is on the state search
Practice location
4 Glen Cove Dr, Rockport, ME 04856
Phone
(207) 596-6410
Enumerated
May 28, 2006
Record last updated
Apr 27, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(207) 594-5183
Medicare enrollment
Enrolled (PECOS I20150211001537); accepts Medicare assignment
Medical or professional school
Saint Louis University School Of Medicine, 2002
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 4 Glen Cove Dr

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

  1. Denise Anderson, D.O.Internal Medicine Physician1740486034
  2. Alice Androkites, MDDermatology Physician1053406827
  3. Richard Beauchesne, M.D.Orthopaedic Surgery Physician1245274604
  4. Susan Bell, NPFamily Nurse Practitioner1639570310
  5. David Bradeen, MDHospitalist Physician1417998063
  6. G. Chamberlin, MDOtolaryngology Physician1811932726

Verify Rodney Mayhorn 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 MD20423
    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

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32% more Medicare Part D claims than the average cardiovascular disease physician in 2024

4,069 Medicare Part D claims for 625 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.

  1. Rodney Mayhorn4,069
  2. Specialty average3,078

Most prescribed

  1. Eliquis517 claims
  2. Metoprolol Succinate365 claims
  3. Atorvastatin Calcium296 claims
  4. Rosuvastatin Calcium252 claims
  5. Lisinopril201 claims
  6. Metoprolol Tartrate201 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. MainehealthPortland, ME

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

Cardiovascular Disease Physician providers in Maine

There are 147 cardiovascular disease physician records in Maine.

Other cardiovascular disease physician records in Maine

  1. Abraham AbernethyScarborough, ME1306071428
  2. David Abisalih, MDSkowhegan, ME1710967153
  3. Mohamad Al-OtaibiBiddeford, ME1528551058
  4. Krishna Chaitanya Alluri, M.DBangor, ME1588002893
  5. Warren Alpern, M.D.Scarborough, ME1023098951
  6. Fahad Alsindi, M.D.Bangor, ME1912151051
  7. Shiva Annamalai, MDScarborough, ME1972915544
  8. Beata Bajgierowicz, MDLewiston, ME1093012726
  9. Lawrence Baker, MDLewiston, ME1386885705
  10. Robert Bender, DOScarborough, ME1063476521

Common questions

What is Rodney R. Mayhorn, MD's NPI number?

Rodney R. Mayhorn, MD's National Provider Identifier (NPI) is 1326095902, issued on May 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Rodney R. Mayhorn, MD located?

The NPPES record lists a practice address at 4 Glen Cove Dr, Rockport, ME, 04856. Phone: (207) 596-6410. Providers update this record themselves, so call before visiting.

How can I verify Rodney R. Mayhorn, MD's license?

NPPES lists Maine license number MD20423, 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 Rodney R. Mayhorn, MD prescribe under Medicare Part D?

In 2024, Rodney R. Mayhorn, MD had 4,069 Medicare Part D claims for 625 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.