John Shaver, M.D.
Internal Medicine Physician · Mansfield, MA
John Shaver, M.D. is an internal medicine physician with a practice address in Mansfield, Massachusetts, and NPI 1922021229, issued on Jul 26, 2006. Check the license (Massachusetts 37294, 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.
- Name
- John Shaver
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 37294 MA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Copeland Dr, Mansfield, MA 02048
- Phone
- (508) 339-4144
- Enumerated
- Jul 26, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (508) 261-9940
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 200 Copeland Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Linda Beadle, NPFamily Nurse Practitioner1730118720
- Emma BeckerFamily Nurse Practitioner1871476044
- Tobi Bloomwald, LICSWClinical Social Worker1790939890
- Mark Bright, MDFamily Medicine Physician1548243587
- Beth Dombrowski, N.P.Family Nurse Practitioner1124448428
- Laura Falkiewicz, FNPFamily Nurse Practitioner1801203799
Verify John Shaver in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 37294Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Shaver among 6,825 internal medicine physician records in Massachusetts
John Shaver, 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 not. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileNo · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2007 · 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).
6 internal medicine physician records list a practice address in Mansfield
They are 6 of the 321 NPPES records with a practice address in Mansfield, and 6,825 internal medicine physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 6,825 in Massachusetts → Every provider in Mansfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Stephanie Favreau, M.D.Mansfield, MA 020481003044256
- Paul Greiner, MDMansfield, MA 020481861466997
- Masud Habibullah, MDMansfield, MA 020481285992602
- Cynthia Norton, D.O.Mansfield, MA 020481790910040
- Steven Ross, M.D.Mansfield, MA 020481043409451
- Tharwat Hanna, MDMarshfield, MA 020501205815768
- Robert Lonigro, MDMarshfield, MA 020501477514545
- Mark Abensohn, M.D.Medfield, MA 020521225005465
Common questions
What is John Shaver, M.D.'s NPI number?
John Shaver, M.D.'s National Provider Identifier (NPI) is 1922021229, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Shaver, M.D. located?
The NPPES record lists a practice address at 200 Copeland Dr, Mansfield, MA, 02048. Phone: (508) 339-4144. Providers update this record themselves, so call before visiting.
How can I verify John Shaver, M.D.'s license?
NPPES lists Massachusetts license number 37294, 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.
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.