John Thomas Lamont, MD
Gastroenterology Physician · Boston, MA
John Thomas Lamont, MD is a gastroenterology physician with a practice address in Boston, Massachusetts, and NPI 1316903735, issued on Apr 25, 2006. Check the license (Massachusetts 33637, 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 Thomas Lamont
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 33637 MA
Self-reported in NPPES; status is on the state search - Practice location
- 330 Brookline Ave, Boston, MA 02215
- Phone
- (617) 667-8377
- Enumerated
- Apr 25, 2006
- Record last updated
- Apr 13, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (617) 667-2767
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 686 in Massachusetts → Look up another NPI →
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Verify John Thomas Lamont in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 33637Check 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 Thomas Lamont among 686 gastroenterology physician records in Massachusetts
John Thomas Lamont, MD is one of 686 gastroenterology physician records with a practice address in Massachusetts. 80% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 49% newer
- In a Medicare fileNo · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2011 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Massachusetts
There are 686 gastroenterology physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 686 in Massachusetts → Every provider in Boston → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Michael Apstein, MDBoston, MA 022151609854603
- Alphonso Brown, MDBoston, MA 022151871579987
- Valerie Byrnes, M.D.Boston, MA 022151467410332
- Catherine Cheney, M.D.Boston, MA 022151710962030
- Zalman Falchuk, MDBoston, MA 022151912996000
- Kenneth Falchuk, M.D.Boston, MA 022151639154305
- Douglas Horst, MDBoston, MA 022151518957224
- Anthony Lembo, M.D.Boston, MA 022151407826266
Common questions
What is John Thomas Lamont, MD's NPI number?
John Thomas Lamont, MD's National Provider Identifier (NPI) is 1316903735, issued on Apr 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Thomas Lamont, MD located?
The NPPES record lists a practice address at 330 Brookline Ave, Boston, MA, 02215. Phone: (617) 667-8377. Providers update this record themselves, so call before visiting.
How can I verify John Thomas Lamont, MD's license?
NPPES lists Massachusetts license number 33637, 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.