NPPES file of Aug 9, 2026

Tanya Phan

Nurse Practitioner · Mountain View, CA

Tanya Phan is a nurse practitioner with a practice address in Mountain View, California, and NPI 1427512714, issued on Jan 30, 2019. Check the license (California 95013764, 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
1427512714
Name
Tanya Phan
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
95013764 CA
95159814 CA
Self-reported in NPPES; status is on the state search
Practice location
701 E EL Camino Real, Mountain View, CA 94040
Phone
(650) 934-7575
Enumerated
Jan 30, 2019
Record last updated
Apr 7, 2023
Medicare enrollment
Enrolled (PECOS I20211227001217); 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 701 E EL Camino Real

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

  1. Aya Abou-Nasr, MDAnesthesiology Physician1982191672
  2. Jaimie Abraham, AGPCNP-BCFamily Nurse Practitioner1245757699
  3. Brooke Abrantes, PA-CSurgical Physician Assistant1316771298
  4. Faud Abuabara, M.D.MOHS-Micrographic Surgery Physician1164472890
  5. Felix Adler, M.D.Diagnostic Radiology Physician1801069729
  6. Olga Afanasiev, MD, PHDDermatology Physician1669869384

Verify Tanya Phan 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 95013764
    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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78% fewer Medicare Part D claims than the average nurse practitioner in 2024

249 Medicare Part D claims for 130 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.

  1. Tanya Phan249
  2. Specialty average1,109

Most prescribed

  1. Omeprazole47 claims
  2. Sod Sulf-Potass Sulf-Mag Sulf45 claims
  3. Pantoprazole Sodium39 claims
  4. Peg 3350-Electrolyte36 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.

Industry payments in 2024: $124.83

1 payment: food and beverage; the largest payer was Lilly USA, LLC. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tanya Phan$124.83
  2. Specialty average$791.64

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 FoundationMountain View, CA

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

Tanya Phan among 8,223 nurse practitioner records in California

Tanya Phan is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 61% of them.

  • NPI issued2019 · 61% of these records are older, 34% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 42% of these records are
  • Graduated2019 · median 2017 among the 3,425 with a school on file
  • Record last updated2023 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

34 nurse practitioner records list a practice address in Mountain View

They are 34 of the 2,467 NPPES records with a practice address in Mountain View, and 8,223 nurse practitioner records in California.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Kandice Bandy, NPMountain View, CA 940401346210614
  2. Tricia Benjamin, NPMountain View, CA 940401043337413
  3. Grace Breault, NPMountain View, CA 940401497739585
  4. Patricia Briskin, NPMountain View, CA 940401184749715
  5. Michael Chaffin, N.P.Mountain View, CA 940401558640235
  6. Tsaiti Chen, NPMountain View, CA 940401790091478
  7. Rosevalie Conde, NPMountain View, CA 940401215002381
  8. Valentino Demayo, ARNPMountain View, CA 940401265783880

Common questions

What is Tanya Phan's NPI number?

Tanya Phan's National Provider Identifier (NPI) is 1427512714, issued on Jan 30, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Tanya Phan located?

The NPPES record lists a practice address at 701 E EL Camino Real, Mountain View, CA, 94040. Phone: (650) 934-7575. Providers update this record themselves, so call before visiting.

How can I verify Tanya Phan's license?

NPPES lists California license number 95013764, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Tanya Phan prescribe under Medicare Part D?

In 2024, Tanya Phan had 249 Medicare Part D claims for 130 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.