Catherine Choi Hazel, ASW
Clinical Social Worker · San Francisco, CA
Catherine Choi Hazel, ASW is a clinical social worker with a practice address in San Francisco, California, and NPI 1912667882, issued on Dec 20, 2021. Check the license (California 101584, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Catherine Choi Hazel
- Credential
- ASW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 101584 CA
Self-reported in NPPES; status is on the state search - Practice location
- 680 Mission St Apt 34C, San Francisco, CA 94105
- Phone
- (919) 457-8641
- Enumerated
- Dec 20, 2021
- Record last updated
- Dec 20, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 36,261 in California → Look up another NPI →
Verify Catherine Choi Hazel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 101584Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Catherine Choi Hazel among 36,261 clinical social worker records in California
Catherine Choi Hazel, ASW is one of 36,261 clinical social worker records with a practice address in California. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2021, is newer than 77% of them.
- NPI issued2021 · 77% of these records are older, 19% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileNo · 11% of these records are
- Record last updated2021 · 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 1041C0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,358 clinical social worker records list a practice address in San Francisco
They are 1,358 of the 38,143 NPPES records with a practice address in San Francisco, and 36,261 clinical social worker records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 36,261 in California → Every provider in San Francisco → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Summer BlauveltSan Francisco, CA 941051124946983
- Tiffani Calcote, LCSWSan Francisco, CA 941051285201707
- Amanda CallowSan Francisco, CA 941051255790713
- Julia Hand, LCSWSan Francisco, CA 941051700018686
- McKenzie HemmerlinSan Francisco, CA 941051306617287
- Jennifer Knapp, MSWSan Francisco, CA 941051699936385
- Barbara Lane, LCSWSan Francisco, CA 941051730307877
- Jessica Layne, M.S.W.San Francisco, CA 941051831399682
Common questions
What is Catherine Choi Hazel, ASW's NPI number?
Catherine Choi Hazel, ASW's National Provider Identifier (NPI) is 1912667882, issued on Dec 20, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Choi Hazel, ASW located?
The NPPES record lists a practice address at 680 Mission St Apt 34C, San Francisco, CA, 94105. Phone: (919) 457-8641. Providers update this record themselves, so call before visiting.
How can I verify Catherine Choi Hazel, ASW's license?
NPPES lists California license number 101584, 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. 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.