NPPES file of Aug 9, 2026

Mary T. Chou, M.D.

Diagnostic Radiology Physician · Boston, MA

Mary T. Chou, M.D. is a diagnostic radiology physician with a practice address in Boston, Massachusetts, and NPI 1588623961, issued on Mar 22, 2006. Check the license (Massachusetts 210725, 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
1588623961
Name
Mary T. Chou
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
210725 MA
Self-reported in NPPES; status is on the state search
Practice location
133 Brookline Ave, Boston, MA 02215
Phone
(617) 421-1336
Enumerated
Mar 22, 2006
Record last updated
Feb 19, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(617) 421-1359
Medicaid ID
2044897 MA
Medicare enrollment
Enrolled (PECOS I20040730000684); 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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8 nearest diagnostic radiology physician records → All 1,658 in Massachusetts → Look up another NPI →

Also registered at 133 Brookline Ave

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

  1. Shari Abramowitz, M.D.Pediatrics Physician1558346593
  2. Maansi AgheraAudiologist1225887292
  3. Nathalie Alexis, PSY.D.Clinical Psychologist1245886993
  4. Marina Alfisher, MDDiagnostic Radiology Physician1417925207
  5. Andrew Allmendinger, DODiagnostic Radiology Physician1972820942
  6. Dana An, LCSWClinical Social Worker1215108238

Verify Mary T. Chou 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 210725    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. Atrius Health IncDedham, MA

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

Mary T. Chou among 1,658 diagnostic radiology physician records in Massachusetts

Mary T. Chou, M.D. is one of 1,658 diagnostic radiology physician records with a practice address in Massachusetts. 68% 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 13% of them.

  • NPI issued2006 · 13% of these records are older, 57% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1998 · median 2006 among the 1,125 with a school on file
  • Record last updated2021 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

896 diagnostic radiology physician records list a practice address in Boston

They are 896 of the 41,865 NPPES records with a practice address in Boston, and 1,658 diagnostic radiology physician records in Massachusetts.

All 1,658 in Massachusetts → Every provider in Boston → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Marina Alfisher, MDBoston, MA 022151417925207
  2. Jerome AuerbachBoston, MA 022151417942129
  3. Suraj Bowry, M.D.Boston, MA 022151891754321
  4. Maureen Clarke, M.D.Boston, MA 022151891751855
  5. Eric Cortell, MDBoston, MA 022151992791545
  6. James Hayes, M.D.Boston, MA 022151548226517
  7. Arie Herskovits, MDBoston, MA 022151639127897
  8. Lynn Kim, MDBoston, MA 022151396729042

Common questions

What is Mary T. Chou, M.D.'s NPI number?

Mary T. Chou, M.D.'s National Provider Identifier (NPI) is 1588623961, issued on Mar 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mary T. Chou, M.D. located?

The NPPES record lists a practice address at 133 Brookline Ave, Boston, MA, 02215. Phone: (617) 421-1336. Providers update this record themselves, so call before visiting.

How can I verify Mary T. Chou, M.D.'s license?

NPPES lists Massachusetts license number 210725, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.