NPPES file of Aug 9, 2026

William J. Wittman, M.D.

Internal Medicine Physician · Falmouth, MA

William J. Wittman, M.D. is an internal medicine physician with a practice address in Falmouth, Massachusetts, and NPI 1891798724, issued on May 24, 2005. Check the license (Massachusetts 54719, 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
1891798724
Name
William J. Wittman
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
54719 MA
Self-reported in NPPES; status is on the state search
Practice location
10 Bramblebush Park, Falmouth, MA 02540
Phone
(508) 540-1046
Enumerated
May 24, 2005
Record last updated
May 28, 2010 (not updated in 16 years: call before relying on the address or phone)
Medicaid ID
6195016 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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Also registered at 10 Bramblebush Park

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

  1. Devin McManus, M.D.Internal Medicine Physician1548263486
  2. Robert Stenson, NPNurse Practitioner1932358546

Verify William J. Wittman 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 54719
    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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51% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,569 Medicare Part D claims for 55 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 30 claims were for opioids.

  1. William Wittman1,569
  2. Specialty average3,176

Most prescribed

  1. Eliquis101 claims
  2. Atorvastatin Calcium76 claims
  3. Levothyroxine Sodium76 claims
  4. Trazodone Hcl73 claims
  5. Pantoprazole Sodium66 claims
  6. Furosemide54 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.

William J. Wittman among 6,825 internal medicine physician records in Massachusetts

William J. Wittman, 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 88% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2010 · 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).

14 internal medicine physician records list a practice address in Falmouth

They are 14 of the 550 NPPES records with a practice address in Falmouth, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. James Alban, MDFalmouth, MA 025401194808386
  2. Annemarie Armani, MDFalmouth, MA 025401679776736
  3. Suzanne Corrado, MDFalmouth, MA 025401902816861
  4. Simon Jacobs, MDFalmouth, MA 025401609836162
  5. Vladimir Koren, MDFalmouth, MA 025401124093950
  6. Gilbert Lavoie, M.D.Falmouth, MA 025401841326436
  7. Catherine McCann, MDFalmouth, MA 025401376531772
  8. Devin McManus, M.D.Falmouth, MA 025401548263486

Common questions

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

William J. Wittman, M.D.'s National Provider Identifier (NPI) is 1891798724, issued on May 24, 2005. An NPI identifies a provider in billing; it is not a license.

Where is William J. Wittman, M.D. located?

The NPPES record lists a practice address at 10 Bramblebush Park, Falmouth, MA, 02540. Phone: (508) 540-1046. Providers update this record themselves, so call before visiting.

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

NPPES lists Massachusetts license number 54719, 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 William J. Wittman, M.D. prescribe under Medicare Part D?

In 2024, William J. Wittman, M.D. had 1,569 Medicare Part D claims for 55 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.