Heather Jiyuan Ma, MD
Student in an Organized Health Care Education/Training Program · Palo Alto, CA
Heather Jiyuan Ma, MD is a student in an organized health care education/training program with a practice address in Palo Alto, California, and NPI 1770169781, issued on Mar 20, 2021. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Heather Jiyuan Ma
- Credential
- MD
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 453 Quarry RD, Palo Alto, CA 94304
- Phone
- (650) 723-6469
- Enumerated
- Mar 20, 2021
- Record last updated
- Dec 29, 2023
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 40,652 in California → Look up another NPI →
Also registered at 453 Quarry RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Maria Isabel Barros Guinle, MD, MSStudent in an Organized Health Care Education/Training Program1255278941
- Maria Bederson, MDStudent in an Organized Health Care Education/Training Program1699563106
- Shaira BediPediatric Nephrology Physician1295468353
- Brandon Bergsneider, MDStudent in an Organized Health Care Education/Training Program1538097753
- Megan CornStudent in an Organized Health Care Education/Training Program1114772944
Verify Heather Jiyuan Ma in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
27 Medicare Part D claims, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Heather Jiyuan Ma among 40,652 student in an organized health care education/training program records in California
Heather Jiyuan Ma, MD is one of 40,652 student in an organized health care education/training program records with a practice address in California. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 28% of them.
- NPI issued2021 · 28% of these records are older, 66% newer
- In a Medicare fileYes · 16% of these records are
- In the CMS Doctors and Clinicians fileNo · 6% of these records are
- Record last updated2023 · 26% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
655 student in an organized health care education/training program records list a practice address in Palo Alto
They are 655 of the 7,617 NPPES records with a practice address in Palo Alto, and 40,652 student in an organized health care education/training program records in California.
All 40,652 in California → Every provider in Palo Alto → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Jerry Chen, M.D.Palo Alto, CA 943041760643837
- Ian Chen, M.D.Palo Alto, CA 943041477855294
- Allison Collins, M.D.Palo Alto, CA 943041215124268
- Susan FlatmoPalo Alto, CA 943041871613307
- Michael Friedberg, MAPalo Alto, CA 943041679898852
- Roni GavishPalo Alto, CA 943041811152770
- Emily JohnstonPalo Alto, CA 943041992020085
- Stephanie Knueppel, DDSPalo Alto, CA 943041942588116
Common questions
What is Heather Jiyuan Ma, MD's NPI number?
Heather Jiyuan Ma, MD's National Provider Identifier (NPI) is 1770169781, issued on Mar 20, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Heather Jiyuan Ma, MD located?
The NPPES record lists a practice address at 453 Quarry RD, Palo Alto, CA, 94304. Phone: (650) 723-6469. Providers update this record themselves, so call before visiting.
How can I verify Heather Jiyuan Ma, MD's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Heather Jiyuan Ma, MD prescribe under Medicare Part D?
In 2024, Heather Jiyuan Ma, MD had 27 Medicare Part D claims; the average among student in an organized health care education/training program prescribers was 185. 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.