NPPES file of Aug 9, 2026

Nancy A. Piotrowski, PH.D.

Clinical Psychologist · San Francisco, CA

Nancy A. Piotrowski, PH.D. is a clinical psychologist with a practice address in San Francisco, California, and NPI 1144591280, issued on Jan 20, 2012. Check the license (California PSY14254, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144591280
Name
Nancy A. Piotrowski
Credential
PH.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
PSY14254 CA
Self-reported in NPPES; status is on the state search
Practice location
1 California St Ste 2300, San Francisco, CA 94111
Phone
(800) 997-6196
Enumerated
Jan 20, 2012
Record last updated
Jan 29, 2025
Fax
(833) 523-9924
Medicare enrollment
Enrolled (PECOS I20220118001652); 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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8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →

Also registered at 1 California St Ste 2300

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

  1. Sarah Allen, NP-CFamily Nurse Practitioner1467962621
  2. Veronica Andis-High, APRNPrimary Care Nurse Practitioner1477941680
  3. D'Aren ArchieFamily Nurse Practitioner1265924187
  4. Leena Badhwar, M.D.Internal Medicine Physician1265466874
  5. Celia Baya, RNRegistered Nurse1609723212
  6. Jeanna Bender, ARNP-CFamily Nurse Practitioner1598813974

Verify Nancy A. Piotrowski 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 PSY14254    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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Bills Medicare through one group practice

  1. Doctor ON Demand Professionals OF CaliforniaSan Francisco, CA

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

Nancy A. Piotrowski among 12,647 clinical psychologist records in California

Nancy A. Piotrowski, PH.D. is one of 12,647 clinical psychologist records with a practice address in California. 9% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 63% of them.

  • NPI issued2012 · 63% of these records are older, 33% newer
  • In a Medicare fileYes · 9% of these records are
  • In the CMS Doctors and Clinicians fileYes · 19% of these records are
  • Graduated1992 · median 2006 among the 2,424 with a school on file
  • Record last updated2025 · 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 103TC0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

802 clinical psychologist records list a practice address in San Francisco

They are 802 of the 38,143 NPPES records with a practice address in San Francisco, and 12,647 clinical psychologist records in California.

All 12,647 in California → Every provider in San Francisco → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Christine ChoeSan Francisco, CA 941111457122103
  2. Catherine Ciano, PH.D.San Francisco, CA 941111649636895
  3. Efren Hilera, PSY.D.San Francisco, CA 941111275598401
  4. James Lee, PSY.D.San Francisco, CA 941111730597808
  5. Chad LejeuneSan Francisco, CA 941111710343090
  6. Tracy Lewellen, PSY.D.San Francisco, CA 941111356741672
  7. Yi-Xian LiSan Francisco, CA 941111134659311
  8. Mark Nguyen, PSY.DSan Francisco, CA 941111891044640

Common questions

What is Nancy A. Piotrowski, PH.D.'s NPI number?

Nancy A. Piotrowski, PH.D.'s National Provider Identifier (NPI) is 1144591280, issued on Jan 20, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Nancy A. Piotrowski, PH.D. located?

The NPPES record lists a practice address at 1 California St Ste 2300, San Francisco, CA, 94111. Phone: (800) 997-6196. Providers update this record themselves, so call before visiting.

How can I verify Nancy A. Piotrowski, PH.D.'s license?

NPPES lists California license number PSY14254, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.