Megan J. Ritter, M.D.
Endocrinology, Diabetes & Metabolism Physician · Boston, MA
Megan J. Ritter, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Boston, Massachusetts, and NPI 1790122984, issued on May 28, 2013. Check the license (Massachusetts 273271, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Megan J. Ritter
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License numbers
- 273271 MA
294033 NY
Self-reported in NPPES; status is on the state search - Practice location
- 732 Harrison Ave, FL 2, Boston, MA 02118
- Phone
- (617) 638-7470
- Enumerated
- May 28, 2013
- Record last updated
- Apr 10, 2024
- Fax
- (617) 638-7449
- Medicaid IDs
- 3141880 NH
110196290A MA - Medicare enrollment
- Enrolled (PECOS I20230314002181); accepts Medicare assignment
- Medical or professional school
- Drexel University College Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 522 in Massachusetts → Look up another NPI →
Also registered at 732 Harrison Ave, FL 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sara Alexanian, MDEndocrinology, Diabetes & Metabolism Physician1609834837
- Asem Ali, MD / MBBSEndocrinology, Diabetes & Metabolism Physician1013025220
- Sonia Ananthakrishnan, M.D.Endocrinology, Diabetes & Metabolism Physician1912026543
- Mirian Barrientos, NP, MSN, MPHGerontology Nurse Practitioner1063964245
- Kristen Dimauro, NPFamily Nurse Practitioner1902397631
- Susana Ebner, M.D.Endocrinology, Diabetes & Metabolism Physician1053330332
Verify Megan J. Ritter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 273271Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
33 Medicare Part D claims, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 67% of claims.
Most prescribed
- Mounjaro15 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
- Evans Medical Foundation IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Megan J. Ritter among 522 endocrinology, diabetes & metabolism physician records in Massachusetts
Megan J. Ritter, M.D. is one of 522 endocrinology, diabetes & metabolism 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 2013, is newer than 75% of them.
- NPI issued2013 · 75% of these records are older, 20% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2013 · median 2002 among the 378 with a school on file
- Record last updated2024 · 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 207RE0101X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Massachusetts
There are 522 endocrinology, diabetes & metabolism physician records in Massachusetts.
All 522 in Massachusetts → Every provider in Boston → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Sara Alexanian, MDBoston, MA 021181609834837
- Beth Cohen, M.D.Boston, MA 021181457385122
- Susana Ebner, M.D.Boston, MA 021181053330332
- Alan Farwell, M.D.Boston, MA 021181699758151
- Michael Holick, M.D.Boston, MA 021181346226206
- Philip Knapp, MDBoston, MA 021181407819444
- Stephanie Lee, M.D., PH.D.Boston, MA 021181851378665
- Jennifer Lee, M.D.Boston, MA 021181457398653
Common questions
What is Megan J. Ritter, M.D.'s NPI number?
Megan J. Ritter, M.D.'s National Provider Identifier (NPI) is 1790122984, issued on May 28, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Megan J. Ritter, M.D. located?
The NPPES record lists a practice address at 732 Harrison Ave, FL 2, Boston, MA, 02118. Phone: (617) 638-7470. Providers update this record themselves, so call before visiting.
How can I verify Megan J. Ritter, M.D.'s license?
NPPES lists Massachusetts license number 273271, 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 Megan J. Ritter, M.D. prescribe under Medicare Part D?
In 2024, Megan J. Ritter, M.D. had 33 Medicare Part D claims; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.