NPPES file of Aug 9, 2026

Margaret Hsu, FNP-C

Family Nurse Practitioner · Burlingame, CA

Margaret Hsu, FNP-C is a family nurse practitioner with a practice address in Burlingame, California, and NPI 1902315799, issued on Sep 25, 2017. Check the license (California 95007327, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1902315799
Name
Margaret Hsu
Credential
FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
95007327 CA
Self-reported in NPPES; status is on the state search
Practice location
1501 Trousdale Dr, Burlingame, CA 94010
Phone
(650) 652-8500
Enumerated
Sep 25, 2017
Record last updated
May 9, 2022
Medicare enrollment
Enrolled (PECOS I20171219001471); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1501 Trousdale Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Paul Abeyta, MDSports Medicine (Orthopaedic Surgery) Physician1225126147
  2. Edward Abratowski, M.D.Hospitalist Physician1649232760
  3. Shital Aggarwal, M.D.Hospitalist Physician1912926676
  4. Amy Akers, M.D.Neurology Physician1699792655
  5. Shamsuddin Alamgir, M.DInternal Medicine Physician1306877071
  6. Harsha Alexander, M.D.Hospitalist Physician1780974303

Verify Margaret Hsu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 95007327
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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91% fewer Medicare Part D claims than the average family nurse practitioner in 2024

121 Medicare Part D claims for 56 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Margaret Hsu121
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium13 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

  1. Sutter Bay Medical FoundationSan Mateo, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Margaret Hsu among 16,966 family nurse practitioner records in California

Margaret Hsu, FNP-C is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 40% of them.

  • NPI issued2017 · 40% of these records are older, 55% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated2017 · median 2019 among the 6,793 with a school on file
  • Record last updated2022 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

29 family nurse practitioner records list a practice address in Burlingame

They are 29 of the 1,299 NPPES records with a practice address in Burlingame, and 16,966 family nurse practitioner records in California.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Sara Almasian, FNPBurlingame, CA 940101922451772
  2. Christina Borello, NPBurlingame, CA 940101861818700
  3. Georgette Dakis, F.N.P.Burlingame, CA 940101801063912
  4. Rachel Eck, NPBurlingame, CA 940101487982526
  5. Lisa Frey, N.P.Burlingame, CA 940101861486359
  6. Tara GilmartinBurlingame, CA 940101912353517
  7. Kyra Hanson, MSN, NPBurlingame, CA 940101942549290
  8. Jane Hwang, NPBurlingame, CA 940101558961714

Common questions

What is Margaret Hsu, FNP-C's NPI number?

Margaret Hsu, FNP-C's National Provider Identifier (NPI) is 1902315799, issued on Sep 25, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Margaret Hsu, FNP-C located?

The NPPES record lists a practice address at 1501 Trousdale Dr, Burlingame, CA, 94010. Phone: (650) 652-8500. Providers update this record themselves, so call before visiting.

How can I verify Margaret Hsu, FNP-C's license?

NPPES lists California license number 95007327, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Margaret Hsu, FNP-C prescribe under Medicare Part D?

In 2024, Margaret Hsu, FNP-C had 121 Medicare Part D claims for 56 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.