Marvin So, MD, MPH
Family Medicine Physician · Boston, MA
Marvin So, MD, MPH is a family medicine physician with a practice address in Boston, Massachusetts, and NPI 1245961879, issued on Jun 23, 2022. Check the license (Massachusetts 1025088, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Marvin So
- Credential
- MD, MPH
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 1025088 MA
Self-reported in NPPES; status is on the state search - Practice location
- 20 Maverick SQ, Boston, MA 02128
- Phone
- (617) 569-5800
- Enumerated
- Jun 23, 2022
- Record last updated
- Sep 30, 2025
- Fax
- (617) 568-4585
- Medicare enrollment
- Enrolled (PECOS I20251024002402); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,265 in Massachusetts → Look up another NPI →
Also registered at 20 Maverick SQ
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marvin So in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1025088Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average family medicine physician in 2024
224 Medicare Part D claims for 37 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium31 claims
- Jardiance21 claims
- Lisinopril17 claims
- Xarelto11 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
- Internal Medical Associates-EbnhcEast Boston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marvin So among 2,265 family medicine physician records in Massachusetts
Marvin So, MD, MPH is one of 2,265 family medicine physician records with a practice address in Massachusetts. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 92% of them.
- NPI issued2022 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2022 · median 2006 among the 1,529 with a school on file
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in Massachusetts
There are 2,265 family medicine physician records in Massachusetts.
All 2,265 in Massachusetts → Every provider in Boston → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Lilia Cardenas, MDEast Boston, MA 021281841406964
- Anne Dwyer-Wilmer, MDEast Boston, MA 021281619170255
- Jackie Fantes, MDEast Boston, MA 021281275530719
- Elizabeth Gaskins, M.D.East Boston, MA 021281639344500
- Rajneesh Hazarika, M.D.East Boston, MA 021281841394707
- Mirriam Hoffman, M.D.East Boston, MA 021281508844689
- Karin Leschly, M.D.East Boston, MA 021281013996099
- Cheryl McSweeney, M.D.East Boston, MA 021281811976897
Common questions
What is Marvin So, MD, MPH's NPI number?
Marvin So, MD, MPH's National Provider Identifier (NPI) is 1245961879, issued on Jun 23, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Marvin So, MD, MPH located?
The NPPES record lists a practice address at 20 Maverick SQ, Boston, MA, 02128. Phone: (617) 569-5800. Providers update this record themselves, so call before visiting.
How can I verify Marvin So, MD, MPH's license?
NPPES lists Massachusetts license number 1025088, 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 Marvin So, MD, MPH prescribe under Medicare Part D?
In 2024, Marvin So, MD, MPH had 224 Medicare Part D claims for 37 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.