Jason Kerzer, DO
Family Medicine Physician · Boston, MA
Jason Kerzer, DO is a family medicine physician with a practice address in Boston, Massachusetts, and NPI 1497165880, issued on May 6, 2014. Check the license (Massachusetts 1015685, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jason Kerzer
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 1015685 MA
DO00880 RI
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fruit St, Boston, MA 02114
- Phone
- (617) 724-6610
- Enumerated
- May 6, 2014
- Record last updated
- Oct 29, 2024
- Medicare enrollment
- Enrolled (PECOS I20241106000070); 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 55 Fruit St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jason Kerzer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1015685Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% more Medicare Part D claims than the average family medicine physician in 2024
4,593 Medicare Part D claims for 427 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Atorvastatin Calcium326 claims
- Lisinopril256 claims
- Amlodipine Besylate250 claims
- Rosuvastatin Calcium192 claims
- Omeprazole178 claims
- Losartan Potassium173 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
- Massachusetts General Physicians Organization IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jason Kerzer among 2,265 family medicine physician records in Massachusetts
Jason Kerzer, DO 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 2014, is newer than 71% of them.
- NPI issued2014 · 71% of these records are older, 27% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2014 · median 2006 among the 1,529 with a school on file
- Record last updated2024 · 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
- Ksenia Blinnikova, MDBoston, MA 021141740646181
- Naris Ghazarians, MDBoston, MA 021141568993434
- Paul Heinzelmann, M.D.Boston, MA 021141861477283
- Masaya Higuchi, M.D.Boston, MA 021141457544892
- Aaron Hoffman, DOBoston, MA 021141245591098
- James Jackson, M.D.Boston, MA 021141285016949
- Rebecca LeeBoston, MA 021141508388711
- Linnea Meyer, MDBoston, MA 021141316096746
Common questions
What is Jason Kerzer, DO's NPI number?
Jason Kerzer, DO's National Provider Identifier (NPI) is 1497165880, issued on May 6, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Jason Kerzer, DO located?
The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (617) 724-6610. Providers update this record themselves, so call before visiting.
How can I verify Jason Kerzer, DO's license?
NPPES lists Massachusetts license number 1015685, 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 Jason Kerzer, DO prescribe under Medicare Part D?
In 2024, Jason Kerzer, DO had 4,593 Medicare Part D claims for 427 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.