Steven Mark Peterson, LCSW #23821
Clinical Social Worker · Dublin, CA
Steven Mark Peterson, LCSW #23821 is a clinical social worker with a practice address in Dublin, California, and NPI 1578797437, issued on May 7, 2009. Check the license (California LCSW#23821, 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
- Steven Mark Peterson
- Credential
- LCSW #23821
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License numbers
- LCSW#23821 CA
4309 OR
Self-reported in NPPES; status is on the state search - Practice location
- 11875 Dublin Blvd, Dublin, CA 94568
- Phone
- (925) 819-6775
- Enumerated
- May 7, 2009
- Record last updated
- Oct 12, 2012 (not updated in 14 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 →
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Verify Steven Mark Peterson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license LCSW#23821Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Steven Mark Peterson among 36,261 clinical social worker records in California
Steven Mark Peterson, LCSW #23821 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 2009, is newer than 28% of them.
- NPI issued2009 · 28% of these records are older, 69% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileNo · 11% of these records are
- Record last updated2012 · 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).
26 clinical social worker records list a practice address in Dublin
They are 26 of the 2,148 NPPES records with a practice address in Dublin, 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 Dublin → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Erika ArensDublin, CA 945681427588300
- Salvina Barresi, MSWDublin, CA 945681992101489
- Stacey Bellone, LCSWDublin, CA 945681750410163
- Raymond Carlson, MSWDublin, CA 945681720269764
- Manon Comendant, LCSWDublin, CA 945681174624050
- Jacqueline Fajardo, LCSWDublin, CA 945681215342118
- Glorialee FieldsDublin, CA 945681689856270
- Leon Hopkins, MSWDublin, CA 945681710284492
Common questions
What is Steven Mark Peterson, LCSW #23821's NPI number?
Steven Mark Peterson, LCSW #23821's National Provider Identifier (NPI) is 1578797437, issued on May 7, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Steven Mark Peterson, LCSW #23821 located?
The NPPES record lists a practice address at 11875 Dublin Blvd, Dublin, CA, 94568. Phone: (925) 819-6775. Providers update this record themselves, so call before visiting.
How can I verify Steven Mark Peterson, LCSW #23821's license?
NPPES lists California license number LCSW#23821, 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.