NPPES file of Aug 9, 2026

Janet Mary Grimes, M.D.

Addiction Medicine (Family Medicine) Physician · Springfield, MA

Janet Mary Grimes, M.D. is an addiction medicine (family medicine) physician with a practice address in Springfield, Massachusetts, and NPI 1528114857, issued on Jan 27, 2007. Check the license (Massachusetts 239455, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1528114857
Name
Janet Mary Grimes
Credential
M.D.
Primary taxonomy
Addiction Medicine (Family Medicine) Physician 207QA0401X
License number
239455 MA
Self-reported in NPPES; status is on the state search
Practice location
417 Liberty St, Springfield, MA 01104
Phone
(413) 747-0705
Enumerated
Jan 27, 2007
Record last updated
Feb 25, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(413) 732-7075
Medicare enrollment
Enrolled (PECOS I20090801000000); 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.
Download card Updates feed

Also registered at 417 Liberty St

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

  1. Brianna Abbott, LMHC LADC1Addiction (Substance Use Disorder) Counselor1225503725
  2. Mudar Abdul-RazakCounselor1205576667
  3. Andrea Aberdale-SmithRegistered Nurse1871463885
  4. Kyle AckermanCounselor1063150589
  5. Amanda Aguilar Mendoza, PSYDPsychologist1891297180
  6. Diahann Aird-RobinsonMental Health Counselor1881300457

Verify Janet Mary Grimes 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 239455    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

70% fewer Medicare Part D claims than the average addiction medicine (family medicine) physician in 2024

201 Medicare Part D claims for 27 beneficiaries, against an average of 664 among the 581 providers of this specialty who prescribed in Part D.

  1. Janet Grimes201
  2. Specialty average664

Most prescribed

  1. Buprenorphine-Naloxone185 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Belonging Medical Group PLLCWestborough, MA

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

Addiction Medicine (Family Medicine) Physician providers in Massachusetts

There are 18 addiction medicine (family medicine) physician records in Massachusetts.

All 18 in Massachusetts → Every provider in Springfield →

Other addiction medicine (family medicine) physician records in Massachusetts

  1. Awah-Lem Atanga McCormick, MDBoston, MA1699395004
  2. Jeffrey Baxter, MDWorcester, MA1407866619
  3. Kenneth Boyd, M.D.Hyannis, MA1952363707
  4. Jennifer Bradford, M.D.Worcester, MA1619292976
  5. Robynne BrownQuincy, MA1578062758
  6. John Chisholm, M.D.Worcester, MA1366731150
  7. John M Costa, M.D.Swansea, MA1063585370
  8. Lori Dilorenzo, M.D.Worcester, MA1023093945
  9. Ardis Fisch, MDLee, MA1013935659
  10. Heidi Ginter, M.D.Stoughton, MA1659356574

Common questions

What is Janet Mary Grimes, M.D.'s NPI number?

Janet Mary Grimes, M.D.'s National Provider Identifier (NPI) is 1528114857, issued on Jan 27, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Janet Mary Grimes, M.D. located?

The NPPES record lists a practice address at 417 Liberty St, Springfield, MA, 01104. Phone: (413) 747-0705. Providers update this record themselves, so call before visiting.

How can I verify Janet Mary Grimes, M.D.'s license?

NPPES lists Massachusetts license number 239455, 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.

How much does Janet Mary Grimes, M.D. prescribe under Medicare Part D?

In 2024, Janet Mary Grimes, M.D. had 201 Medicare Part D claims for 27 beneficiaries; the average among addiction medicine (family medicine) physician prescribers was 664. Part D covers Medicare prescriptions only.

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.