Diana Chiu
Counselor · San Francisco, CA
Diana Chiu is a counselor with a practice address in San Francisco, California, and NPI 1720661457, issued on Apr 30, 2021. Check the license (California ASW93102, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Diana Chiu
- Primary taxonomy
- Counselor 101Y00000X
- License number
- ASW93102 CA
Self-reported in NPPES; status is on the state search - Practice location
- 50 Ivy St, San Francisco, CA 94102
- Phone
- (415) 810-0463
- Enumerated
- Apr 30, 2021
- Record last updated
- Jul 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20260114000977); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest counselor records → All 13,723 in California → Look up another NPI →
Also registered at 50 Ivy St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karen Bayle, MDInternal Medicine Physician1851405724
- Sheila Gujrathi, M.D.Internal Medicine Physician1114113156
- Tanya Majumder, M.D.Internal Medicine Physician1417304825
- Jessica Naugle, RNRegistered Nurse1902276215
- Josephine Nnakigozi, LCSWClinical Social Worker1811226624
- Russell Schmidt, RNAmbulatory Care Registered Nurse1619225034
Verify Diana Chiu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license ASW93102Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- City And County OF San FranciscoSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diana Chiu among 13,723 counselor records in California
Diana Chiu is one of 13,723 counselor records with a practice address in California. under 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 83% of them.
- NPI issued2021 · 83% of these records are older, 12% newer
- In a Medicare fileYes · under 1% of these records are
- In the CMS Doctors and Clinicians fileYes · under 1% of these records are
- Graduated2018 · median 2016 among the 106 with a school on file
- Record last updated2021 · 81% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101Y00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,414 counselor records list a practice address in San Francisco
They are 1,414 of the 38,143 NPPES records with a practice address in San Francisco, and 13,723 counselor records in California.
All 13,723 in California → Every provider in San Francisco → Counselor nationwide →
The 8 counselor records with the nearest ZIP codes
- Sylvester CarterSan Francisco, CA 941021215079223
- Ann Marie ColettaSan Francisco, CA 941021902096787
- Masami EndoSan Francisco, CA 941021972711125
- Don GeleraSan Francisco, CA 941021134313836
- Helen GuilesSan Francisco, CA 941021477677508
- Linda Hamady, J.D.San Francisco, CA 941021013101823
- Jennifer HousemanSan Francisco, CA 941021134283591
- Nadine LaurentSan Francisco, CA 941021376689661
Common questions
What is Diana Chiu's NPI number?
Diana Chiu's National Provider Identifier (NPI) is 1720661457, issued on Apr 30, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Diana Chiu located?
The NPPES record lists a practice address at 50 Ivy St, San Francisco, CA, 94102. Phone: (415) 810-0463. Providers update this record themselves, so call before visiting.
How can I verify Diana Chiu's license?
NPPES lists California license number ASW93102, 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.
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.