Ryoko Nagata Chernomaz, LCSW
Clinical Social Worker · San Francisco, CA
Ryoko Nagata Chernomaz, LCSW is a clinical social worker with a practice address in San Francisco, California, and NPI 1427222330, issued on Apr 22, 2008. Check the license (California 25235, 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
- Ryoko Nagata Chernomaz
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 25235 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2211 Post St Ste 300, San Francisco, CA 94115
- Phone
- (415) 325-2019
- Enumerated
- Apr 22, 2008
- Record last updated
- Dec 4, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210603000415); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 2211 Post St Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Allison Borgueta, PSY.D.Clinical Psychologist1427474105
- Phillip Cha, MFTMarriage & Family Therapist1275607087
- Mark Chofla, D.O.Psychiatry Physician1447338934
- Jean Choi, PSY.D.Clinical Psychologist1437344066
- Marcella Cox, MS, LMFTMarriage & Family Therapist1902152648
- Melissa Craven, LMFTMarriage & Family Therapist1568955755
Verify Ryoko Nagata Chernomaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 25235Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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 1,358 in San Francisco → All 36,261 in California → Every provider in San Francisco →
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- Rachel Aarons, MSW PHDSanta Barbara, CA1871687822
- Shari Aarons, LCSWTarzana, CA1467636845
- Mary Aarsheim, LCSWPenn Valley, CA1104192616
- Sandra Aase, LCSWRiverside, CA1699872325
- Maria Abaci, LCSWSan Rafael, CA1205161924
- Louisa AbadaOakland, CA1023502259
- Alejandro Abarca, LCSWSonora, CA1538184676
- Daisy Abarca, ACSWRoseville, CA1548124779
Common questions
What is Ryoko Nagata Chernomaz, LCSW's NPI number?
Ryoko Nagata Chernomaz, LCSW's National Provider Identifier (NPI) is 1427222330, issued on Apr 22, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Ryoko Nagata Chernomaz, LCSW located?
The NPPES record lists a practice address at 2211 Post St Ste 300, San Francisco, CA, 94115. Phone: (415) 325-2019. Providers update this record themselves, so call before visiting.
How can I verify Ryoko Nagata Chernomaz, LCSW's license?
NPPES lists California license number 25235, 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.