NPPES file of Aug 9, 2026

Marilyn P. Griffin, M.D.

Pulmonary Disease Physician · Roxbury Crossing, MA

Marilyn P. Griffin, M.D. is a pulmonary disease physician with a practice address in Roxbury Crossing, Massachusetts, and NPI 1831138833, issued on Jun 5, 2006. Check the license (Massachusetts 43725, 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
1831138833
Name
Marilyn P. Griffin
Credential
M.D.
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
43725 MA
Self-reported in NPPES; status is on the state search
Practice location
125 Parker Hill Ave, Roxbury Crossing, MA 02120
Phone
(617) 754-6199
Enumerated
Jun 5, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20050907000567); accepts Medicare assignment
Medical or professional school
Harvard Medical School, 1977
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 125 Parker Hill Ave

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

  1. Rachel Appel, PTSpecialist1689881088
  2. Karoly Balogh, MDClinical Pathology/Laboratory Medicine Physician1215916747
  3. Arlene Barden, PTCardiopulmonary Physical Therapist1437272770
  4. Nina Barresi, P.T.Physical Therapist1497890909
  5. Marilyn Barry, P.T.Physical Therapist1801930342
  6. Frederick Basilico, M.D.Interventional Cardiology Physician1316946882

Verify Marilyn P. Griffin 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 43725
    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

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98% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

27 Medicare Part D claims, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 48% of claims.

  1. Marilyn Griffin27
  2. Specialty average1,425

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. New England Baptist Medical Associates, Inc.Boston, MA

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

Marilyn P. Griffin among 569 pulmonary disease physician records in Massachusetts

Marilyn P. Griffin, M.D. is one of 569 pulmonary disease physician records with a practice address in Massachusetts. 82% 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 16% of them.

  • NPI issued2006 · 16% of these records are older, 48% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1977 · median 2003 among the 407 with a school on file
  • Record last updated2007 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pulmonary Disease Physician providers in Massachusetts

There are 569 pulmonary disease physician records in Massachusetts.

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. Roberto Cruz-Gervis, MDRoxbury Crossing, MA 021201649259060
  2. Marcia Kathryn Steiner, M.D.Boston, MA 021201629003694
  3. Erin Crossey, M.D.Boston, MA 021181194188730
  4. Aakash DeshpandeBoston, MA 021181477012755
  5. Colin Flannelly, MD, MSCBoston, MA 021181255062675
  6. Christopher Kearney, MDBoston, MA 021181912437161
  7. Lauren Kearney, M.D.Boston, MA 021181508398744
  8. Mallory Lesieur, M.D.Boston, MA 021181154784510

Common questions

What is Marilyn P. Griffin, M.D.'s NPI number?

Marilyn P. Griffin, M.D.'s National Provider Identifier (NPI) is 1831138833, issued on Jun 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marilyn P. Griffin, M.D. located?

The NPPES record lists a practice address at 125 Parker Hill Ave, Roxbury Crossing, MA, 02120. Phone: (617) 754-6199. Providers update this record themselves, so call before visiting.

How can I verify Marilyn P. Griffin, M.D.'s license?

NPPES lists Massachusetts license number 43725, 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 Marilyn P. Griffin, M.D. prescribe under Medicare Part D?

In 2024, Marilyn P. Griffin, M.D. had 27 Medicare Part D claims; the average among pulmonary disease physician prescribers was 1,425. 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.

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.