NPPES file of Aug 9, 2026

Marian Baldrige Klepser

Internal Medicine Physician · Belmont, MA

Marian Baldrige Klepser is an internal medicine physician with a practice address in Belmont, Massachusetts, and NPI 1528058211, issued on Oct 25, 2005. Check the license (Massachusetts 47882, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1528058211
Name
Marian Baldrige Klepser
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
47882 MA
Self-reported in NPPES; status is on the state search
Practice location
115 Mill St, Belmont, MA 02478
Phone
(617) 855-2352
Enumerated
Oct 25, 2005
Record last updated
Feb 11, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(617) 855-3731
Medicaid ID
0139459 MA
Medicare enrollment
Enrolled (PECOS I20040329001138); accepts Medicare assignment
Medical or professional school
Jefferson Medical College Of Thomas Jefferson University, 1978
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 115 Mill St

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

  1. Blaise Aguirre, MDChild & Adolescent Psychiatry Physician1619936846
  2. Kayia Akoun, M.D.Psychiatry Physician1588028732
  3. Rana Alam-RomanosSocial Worker1487420311
  4. Robert Alexander, M.D.Psychiatry Physician1447526074
  5. Madeleine AllenStudent in an Organized Health Care Education/Training Program1205553971
  6. Danielle Alleven, PSY.D.Clinical Psychologist1891741153

Verify Marian Baldrige Klepser 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 47882
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Massachusetts General Physicians Organization IncBelmont, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Marian Baldrige Klepser among 6,825 internal medicine physician records in Massachusetts

Marian Baldrige Klepser 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 fileYes · 60% of these records are
  • Graduated1978 · median 2004 among the 4,103 with a school on file
  • Record last updated2014 · 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 Belmont

They are 11 of the 1,008 NPPES records with a practice address in Belmont, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Azadeh Assarpour, M.D.Belmont, MA 024781841430030
  2. Subbiah Doraiswami, M.D.Belmont, MA 024781093959439
  3. Deborah Haley, MD PHDBelmont, MA 024781821088105
  4. Donald Misquitta, MDBelmont, MA 024781780825216
  5. Patricia Moyer, MDBelmont, MA 024781619974979
  6. Richard Benjamin Patti, M.D.Belmont, MA 024781588602866
  7. Richard Romero, MDBelmont, MA 024781235129412
  8. Adam Shaywitz, MD PHDBelmont, MA 024781821079179

Common questions

What is Marian Baldrige Klepser's NPI number?

Marian Baldrige Klepser's National Provider Identifier (NPI) is 1528058211, issued on Oct 25, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Marian Baldrige Klepser located?

The NPPES record lists a practice address at 115 Mill St, Belmont, MA, 02478. Phone: (617) 855-2352. Providers update this record themselves, so call before visiting.

How can I verify Marian Baldrige Klepser's license?

NPPES lists Massachusetts license number 47882, 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. 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.