NPPES file of Aug 9, 2026

William Caplan, M.D.

Cardiovascular Disease Physician · Dartmouth, MA

William Caplan, M.D. is a cardiovascular disease physician with a practice address in Dartmouth, Massachusetts, and NPI 1679553408, issued on Jan 18, 2006. Check the license (Massachusetts 42506, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1679553408
Name
William Caplan
Credential
M.D.
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
42506 MA
Self-reported in NPPES; status is on the state search
Practice location
535 Faunce Corner RD, Dartmouth, MA 02747
Phone
(508) 996-3991
Enumerated
Jan 18, 2006
Record last updated
Feb 1, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicaid ID
0139106 MA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest cardiovascular disease physician records → All 1,080 in Massachusetts → Look up another NPI →

Also registered at 535 Faunce Corner RD

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

  1. Erica Ahaesy, FNPFamily Nurse Practitioner1568891620
  2. Debby Almeida, MDFamily Medicine Physician1134289127
  3. Jean AmorePhysician Assistant1932082963
  4. Sharon Anderson, M.S., CCC-AAudiologist1083864110
  5. Luiza Arbain, PHARMD.Pharmacist1245232099
  6. Selina AvelinoAdult Health Nurse Practitioner1831839059

Verify William Caplan 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 42506    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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William Caplan among 1,080 cardiovascular disease physician records in Massachusetts

William Caplan, M.D. is one of 1,080 cardiovascular disease 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 not. Its NPI, issued in 2006, is newer than 17% of them.

  • NPI issued2006 · 17% of these records are older, 45% newer
  • In a Medicare fileNo · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 65% of these records are
  • Record last updated2018 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 cardiovascular disease physician records list a practice address in Dartmouth

They are 7 of the 513 NPPES records with a practice address in Dartmouth, and 1,080 cardiovascular disease physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,080 in Massachusetts → Every provider in Dartmouth → Cardiovascular Disease Physician nationwide →

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Jonathan Bier, M.D.Dartmouth, MA 027471306883343
  2. Benjamin Brink, MDDartmouth, MA 027471427547280
  3. Jack Howard, MDDartmouth, MA 027471023078938
  4. Eric Levine, M.D.Dartmouth, MA 027471528038734
  5. Eshan Patvardhan, MDDartmouth, MA 027471497076046
  6. Michael Rocha, M.D.North Dartmouth, MA 027471205874500
  7. Maria Rumsey, MDDartmouth, MA 027471023295516
  8. Gregory Russell, MDNorth Dartmouth, MA 027471053365163

Common questions

What is William Caplan, M.D.'s NPI number?

William Caplan, M.D.'s National Provider Identifier (NPI) is 1679553408, issued on Jan 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Caplan, M.D. located?

The NPPES record lists a practice address at 535 Faunce Corner RD, Dartmouth, MA, 02747. Phone: (508) 996-3991. Providers update this record themselves, so call before visiting.

How can I verify William Caplan, M.D.'s license?

NPPES lists Massachusetts license number 42506, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.