NPPES file of Aug 9, 2026

Caleb Everett Nannes, M.D.

Internal Medicine Physician · Oak Bluffs, MA

Caleb Everett Nannes, M.D. is an internal medicine physician with a practice address in Oak Bluffs, Massachusetts, and NPI 1275832560, issued on Mar 25, 2011. Check the license (Massachusetts 262591, as entered in NPPES) on the Massachusetts Board of Registration 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
1275832560
Name
Caleb Everett Nannes
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
262591 MA
Self-reported in NPPES; status is on the state search
Practice location
1 Hospital RD, Oak Bluffs, MA 02557
Phone
(508) 684-4500
Enumerated
Mar 25, 2011
Record last updated
Feb 9, 2023
Medicare enrollment
Enrolled (PECOS I20191014000884); accepts Medicare assignment
Medical or professional school
University Of Maryland School Of Medicine, 2011
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 1 Hospital RD

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

  1. Nicole Absar, M.D.Behavioral Neurology & Neuropsychiatry Physician1144267857
  2. David Araujo, LMHCMental Health Counselor1134429533
  3. Ruth Barron, MDPsychiatry Physician1649340712
  4. Anne-Marie Bell, FNP-CFamily Nurse Practitioner1508249848
  5. Linsay BumilaNurse Practitioner1659906444
  6. Paula Caron, RPHPharmacist1407688328

Verify Caleb Everett Nannes in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 262591
    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 Massachusetts license search

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About as many Medicare Part D claims as the average internal medicine physician in 2024

3,167 Medicare Part D claims for 365 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 78 claims were for opioids.

  1. Caleb Nannes3,167
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium256 claims
  2. Lisinopril163 claims
  3. Levothyroxine Sodium122 claims
  4. Amlodipine Besylate113 claims
  5. Losartan Potassium99 claims
  6. Hydrochlorothiazide97 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.

One hospital affiliation

  1. Martha's Vineyard Hospital IncOak Bluffs, MA · Critical Access Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Caleb Everett Nannes among 6,825 internal medicine physician records in Massachusetts

Caleb Everett Nannes, M.D. is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 65% of them.

  • NPI issued2011 · 65% of these records are older, 33% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2011 · median 2004 among the 4,103 with a school on file
  • Record last updated2023 · 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 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

11 internal medicine physician records list a practice address in Oak Bluffs

They are 11 of the 143 NPPES records with a practice address in Oak Bluffs, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Merriebeth Dodge, DOOak Bluffs, MA 025571801857933
  2. Aletheia Donahue, M.D.Oak Bluffs, MA 025571548559396
  3. Beth Donnelly, MDOak Bluffs, MA 025571235195207
  4. Zachary Gitlin, MDOak Bluffs, MA 025571003203753
  5. Yosef Glassman, M.D.Oak Bluffs, MA 025571265417778
  6. Stuart Kendall, MDOak Bluffs, MA 025571467418426
  7. John Lamb, M.D.Oak Bluffs, MA 025571679552467
  8. Michael Michotek, M.D.Oak Bluffs, MA 025571346445392

Common questions

What is Caleb Everett Nannes, M.D.'s NPI number?

Caleb Everett Nannes, M.D.'s National Provider Identifier (NPI) is 1275832560, issued on Mar 25, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Caleb Everett Nannes, M.D. located?

The NPPES record lists a practice address at 1 Hospital RD, Oak Bluffs, MA, 02557. Phone: (508) 684-4500. Providers update this record themselves, so call before visiting.

How can I verify Caleb Everett Nannes, M.D.'s license?

NPPES lists Massachusetts license number 262591, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Caleb Everett Nannes, M.D. prescribe under Medicare Part D?

In 2024, Caleb Everett Nannes, M.D. had 3,167 Medicare Part D claims for 365 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.