Ethan Ornstein
Clinical Social Worker · San Francisco, CA
Ethan Ornstein is a clinical social worker with a practice address in San Francisco, California, and NPI 1316354434, issued on Jul 21, 2014. Check the license (California 26850, 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
- Ethan Ornstein
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 26850 CA
Self-reported in NPPES; status is on the state search - Practice location
- 401 Parnassus Ave, San Francisco, CA 94143
- Phone
- (415) 476-7350
- Enumerated
- Jul 21, 2014
- Record last updated
- Jul 21, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (415) 502-6361
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 36,261 in California → Look up another NPI →
Also registered at 401 Parnassus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Regina Armas, LCSW, PH.D.Clinical Psychologist1730118217
Verify Ethan Ornstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 26850Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Ethan Ornstein among 36,261 clinical social worker records in California
Ethan Ornstein 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 2014, is newer than 45% of them.
- NPI issued2014 · 45% of these records are older, 51% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileNo · 11% of these records are
- Record last updated2014 · 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
- Jenee Areeckal, MSW, LCSWSan Francisco, CA 941431366834335
- Cathleen Christensen, MSWSan Francisco, CA 941431003844572
- Raysean FordSan Francisco, CA 941431972837029
- Sandra Garcia, B.A.San Francisco, CA 941431376984559
- Sharon GeeSan Francisco, CA 941431891976627
- Daniel Langholtz, MSWSan Francisco, CA 941431669481909
- Markita Mays, LCSWSan Francisco, CA 941431023291432
- Maria Norman, MFTSan Francisco, CA 941431417975335
Common questions
What is Ethan Ornstein's NPI number?
Ethan Ornstein's National Provider Identifier (NPI) is 1316354434, issued on Jul 21, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Ethan Ornstein located?
The NPPES record lists a practice address at 401 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 476-7350. Providers update this record themselves, so call before visiting.
How can I verify Ethan Ornstein's license?
NPPES lists California license number 26850, 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.