Nancy Ciau, MD
Anatomic Pathology & Clinical Pathology Physician · San Francisco, CA
Nancy Ciau, MD is an anatomic pathology & clinical pathology physician with a practice address in San Francisco, California, and NPI 1811130511, issued on Apr 9, 2009. Check the license (California A93900, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nancy Ciau
- Credential
- MD
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- A93900 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1001 Potrero Ave, San Francisco, CA 94110
- Phone
- (415) 206-8216
- Enumerated
- Apr 9, 2009
- Record last updated
- Aug 9, 2009 (not updated in 17 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 1,554 in California → Look up another NPI →
Also registered at 1001 Potrero Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Abbs, M.D.Internal Medicine Physician1295269983
- Atokena AbeStudent in an Organized Health Care Education/Training Program1043130149
- Mary Ann AbilleRegistered Nurse1699155804
- Nasrin Aboudamous, FNPFamily Nurse Practitioner1699579912
- Elizabeth AdvientoRegistered Nurse1124968987
- Rocio Agraz-Lara, RN, PHNRegistered Nurse1003075995
Verify Nancy Ciau in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A93900Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $35.53
1 payment: food and beverage; the largest payer was Aadi Bioscience, Inc. The 2,607 providers of this specialty with any payment received $3,565.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Nancy Ciau among 1,554 anatomic pathology & clinical pathology physician records in California
Nancy Ciau, MD is one of 1,554 anatomic pathology & clinical pathology physician 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 2009, is newer than 62% of them.
- NPI issued2009 · 62% of these records are older, 33% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2009 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in California
There are 1,554 anatomic pathology & clinical pathology physician records in California.
All 1,554 in California → Every provider in San Francisco → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Zane Amenhotep, M.D.San Francisco, CA 941101801057633
- Aseem Lal, MDSan Francisco, CA 941101770734360
- Poonam VohraSan Francisco, CA 941101548316367
- Marilda Chung, M.D.San Francisco, CA 941091770527327
- Judith Doyle, M.D.San Francisco, CA 941091891915252
- Lucy HanSan Francisco, CA 941091003278714
- Gerald Schall, MDSan Francisco, CA 941091942213590
- Laura Brown, M.D.San Francisco, CA 941071235523515
Common questions
What is Nancy Ciau, MD's NPI number?
Nancy Ciau, MD's National Provider Identifier (NPI) is 1811130511, issued on Apr 9, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Nancy Ciau, MD located?
The NPPES record lists a practice address at 1001 Potrero Ave, San Francisco, CA, 94110. Phone: (415) 206-8216. Providers update this record themselves, so call before visiting.
How can I verify Nancy Ciau, MD's license?
NPPES lists California license number A93900, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.