Jason Son, DO
Internal Medicine Physician · Framingham, MA
Jason Son, DO is an internal medicine physician with a practice address in Framingham, Massachusetts, and NPI 1508252065, issued on Apr 11, 2015. Check the license (Massachusetts 276501, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jason Son
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 276501 MA
Self-reported in NPPES; status is on the state search - Practice location
- 115 Lincoln St, Framingham, MA 01702
- Phone
- (508) 383-1000
- Enumerated
- Apr 11, 2015
- Record last updated
- Feb 23, 2024
- Medicaid ID
- 110144725A MA
- Medicare enrollment
- Enrolled (PECOS I20181019000307); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 2015
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 115 Lincoln St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jason Son in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 276501Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
107 Medicare Part D claims for 48 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Metoprolol Succinate24 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.
The MIPS final score for 2023 (Medicare payment program): 49.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $56.16
2 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Hospitalist Physicians OF Massachusetts PCFramingham, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jason Son among 6,825 internal medicine physician records in Massachusetts
Jason Son, DO is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 74% of them.
- NPI issued2015 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2015 · median 2004 among the 4,103 with a school on file
- Record last updated2024 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
93 internal medicine physician records list a practice address in Framingham
They are 93 of the 3,069 NPPES records with a practice address in Framingham, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Framingham → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Michael Bean, MDFramingham, MA 017021447266408
- Joseph Harrington, MDFramingham, MA 017021346204419
- Stephen Hoffmann, MDFramingham, MA 017021295736494
- Li-Ming Hu, MDFramingham, MA 017021811952930
- Shahnaz Montague, M.D.Framingham, MA 017021457308249
- Timothy Odonnell, MDFramingham, MA 017021346206091
- Irma Rasmussen, MDFramingham, MA 017021144287236
- Eduardo Ribeiro, MDFramingham, MA 017021649256751
Common questions
What is Jason Son, DO's NPI number?
Jason Son, DO's National Provider Identifier (NPI) is 1508252065, issued on Apr 11, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Jason Son, DO located?
The NPPES record lists a practice address at 115 Lincoln St, Framingham, MA, 01702. Phone: (508) 383-1000. Providers update this record themselves, so call before visiting.
How can I verify Jason Son, DO's license?
NPPES lists Massachusetts license number 276501, 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 Son, DO prescribe under Medicare Part D?
In 2024, Jason Son, DO had 107 Medicare Part D claims for 48 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Jason Son, DO's MIPS final score?
The 2023 MIPS final score is 49.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.