Jason Vincent Tso, MD
Cardiovascular Disease Physician · Stanford, CA
Jason Vincent Tso, MD is a cardiovascular disease physician with a practice address in Stanford, California, and NPI 1578927083, issued on Apr 11, 2016. Check the license (California A153564, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jason Vincent Tso
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- A153564 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Apr 11, 2016
- Record last updated
- Apr 26, 2024
- Medicare enrollment
- Enrolled (PECOS I20230818002689); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Also registered at 300 Pasteur Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jason Vincent Tso in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A153564Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
405 Medicare Part D claims for 55 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium42 claims
- Eliquis29 claims
- Ezetimibe29 claims
- Metoprolol Succinate29 claims
- Carvedilol27 claims
- Losartan Potassium27 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 practice group's MIPS final score for 2023 (Medicare payment program): 76.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
One hospital affiliation
- Stanford Health CareStanford, CA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Jason Vincent Tso among 2,574 cardiovascular disease physician records in California
Jason Vincent Tso, MD is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 88% of them.
- NPI issued2016 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2019 · median 1999 among the 1,742 with a school on file
- Record last updated2024 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
86 cardiovascular disease physician records list a practice address in Stanford
They are 86 of the 5,606 NPPES records with a practice address in Stanford, and 2,574 cardiovascular disease physician records in California.
All 2,574 in California → Every provider in Stanford → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Euan Ashley, MDStanford, CA 943051497792204
- Timothy Devine, MDStanford, CA 943051316918634
- Karen Friday, MDStanford, CA 943051326067448
- Paul Heidenreich, MDStanford, CA 943051578573416
- Bob Hu, MDStanford, CA 943051376553891
- Lynette Lissin, MDStanford, CA 943051982615837
- Kenneth Mahaffey, MDStanford, CA 943051659455707
- David Maron, MDStanford, CA 943051538251962
Common questions
What is Jason Vincent Tso, MD's NPI number?
Jason Vincent Tso, MD's National Provider Identifier (NPI) is 1578927083, issued on Apr 11, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Jason Vincent Tso, MD located?
The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify Jason Vincent Tso, MD's license?
NPPES lists California license number A153564, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jason Vincent Tso, MD prescribe under Medicare Part D?
In 2024, Jason Vincent Tso, MD had 405 Medicare Part D claims for 55 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Jason Vincent Tso, MD's MIPS final score?
The 2023 MIPS final score is 76.5 of 100, reported for the practice group. 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.