NPPES file of Aug 9, 2026

Muhammad A. Mumtaz, M.D.

Internal Medicine Physician · Brockton, MA

Muhammad A. Mumtaz, M.D. is an internal medicine physician with a practice address in Brockton, Massachusetts, and NPI 1902841927, issued on Jun 17, 2006. Check the license (Massachusetts 204600, 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
1902841927
Name
Muhammad A. Mumtaz
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
204600 MA
Self-reported in NPPES; status is on the state search
Practice location
Gsmc - Hospitalists, Brockton, MA 02301
Phone
(508) 427-3000
Enumerated
Jun 17, 2006
Record last updated
Mar 14, 2025
Medicare enrollment
Enrolled (PECOS I20080726000010); accepts Medicare assignment
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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Verify Muhammad A. Mumtaz 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 204600
    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. Bmc Affiliated Physicians, Inc.Brockton, MA

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

Muhammad A. Mumtaz among 6,825 internal medicine physician records in Massachusetts

Muhammad A. Mumtaz, 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 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1988 · median 2004 among the 4,103 with a school on file
  • Record last updated2025 · 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).

111 internal medicine physician records list a practice address in Brockton

They are 111 of the 4,287 NPPES records with a practice address in Brockton, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Dino Constantinou, MDBrockton, MA 023011770578932
  2. Paul Coutu, MDBrockton, MA 023011114911757
  3. Mark Dichter, MDBrockton, MA 023011275527020
  4. Christopher Johnson, MDBrockton, MA 023011194711523
  5. Joseph Kagan, MDBrockton, MA 023011851388029
  6. Roger Kligler, MDBrockton, MA 023011578559985
  7. Benjamin Lightfoot, MDBrockton, MA 023011497749584
  8. Richard Lubens, MDBrockton, MA 023011730174392

Common questions

What is Muhammad A. Mumtaz, M.D.'s NPI number?

Muhammad A. Mumtaz, M.D.'s National Provider Identifier (NPI) is 1902841927, issued on Jun 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Muhammad A. Mumtaz, M.D. located?

The NPPES record lists a practice address at Gsmc - Hospitalists, Brockton, MA, 02301. Phone: (508) 427-3000. Providers update this record themselves, so call before visiting.

How can I verify Muhammad A. Mumtaz, M.D.'s license?

NPPES lists Massachusetts license number 204600, 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.