NPPES file of Aug 9, 2026

Tammy S. Hwang, NP

Family Nurse Practitioner · San Jose, CA

Tammy S. Hwang, NP is a family nurse practitioner with a practice address in San Jose, California, and NPI 1639681513, issued on Oct 31, 2017. Check the license (California 95007792, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639681513
Name
Tammy S. Hwang
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
95007792 CA
Self-reported in NPPES; status is on the state search
Practice location
2506 Samaritan CT, San Jose, CA 95124
Phone
(408) 523-3870
Enumerated
Oct 31, 2017
Record last updated
Jun 5, 2025
Medicare enrollment
Enrolled (PECOS I20171226001080); accepts Medicare assignment
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 2506 Samaritan CT

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

  1. Hirra Ali, M.D.Surgery Physician1134410376
  2. Farsam Azad, MDObstetrics & Gynecology Physician1356997795
  3. Sarina Jensen, PAPhysician Assistant1750010203
  4. Sarah JungPhysician Assistant1225506686
  5. David Kang, D.O.Surgery Physician1861804379
  6. Jessica Li, MDObstetrics & Gynecology Physician1881156859

Verify Tammy S. Hwang 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 95007792
    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

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94% fewer Medicare Part D claims than the average family nurse practitioner in 2024

81 Medicare Part D claims for 41 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Tammy Hwang81
  2. Specialty average1,305

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): 84.9 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.

  1. Qualityout of 100 · 30% of the final score67.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $18.03

1 payment: food and beverage; the largest payer was Hologic Sales and Service, LLC. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tammy Hwang$18.03
  2. Specialty average$650.95

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

  1. Sutter Bay Medical FoundationSan Jose, CA

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

Family Nurse Practitioner providers in California

There are 16,966 family nurse practitioner records in California.

Other family nurse practitioner records in California

  1. Danielle Aaroe, FAMILY NURSE PRACTITOroville, CA1750767083
  2. Joshua AaronMission Hills, CA1477291805
  3. Orly Aaron, NPSan Francisco, CA1376912451
  4. Paris Gilbert Russ AaronSacramento, CA1871079111
  5. Tiffanne Aaronsen, FNPIndio, CA1568191807
  6. Alvin Joseph Abad, FNP-CSan Francisco, CA1154919306
  7. Frances Abad, FNPLos Angeles, CA1053504514
  8. Nnenna AbaezeLong Beach, CA1457820763
  9. Raymond Abagat, FNPTorrance, CA1306685821
  10. Ashley AbalCastaic, CA1740140698

Common questions

What is Tammy S. Hwang, NP's NPI number?

Tammy S. Hwang, NP's National Provider Identifier (NPI) is 1639681513, issued on Oct 31, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Tammy S. Hwang, NP located?

The NPPES record lists a practice address at 2506 Samaritan CT, San Jose, CA, 95124. Phone: (408) 523-3870. Providers update this record themselves, so call before visiting.

How can I verify Tammy S. Hwang, NP's license?

NPPES lists California license number 95007792, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Tammy S. Hwang, NP prescribe under Medicare Part D?

In 2024, Tammy S. Hwang, NP had 81 Medicare Part D claims for 41 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

What is Tammy S. Hwang, NP's MIPS final score?

The 2023 MIPS final score is 84.9 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.