Barry David Pfeffer, LCSW
Clinical Social Worker · Redwood City, CA
Barry David Pfeffer, LCSW is a clinical social worker with a practice address in Redwood City, California, and NPI 1922988765, issued on Sep 3, 2025. Check the license (California 120750, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Barry David Pfeffer
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 120750 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1775 Woodside RD Ste 203, Redwood City, CA 94061
- Phone
- (650) 262-1105
- Enumerated
- Sep 3, 2025
- Record last updated
- Sep 3, 2025
- Medicare enrollment
- Enrolled (PECOS I20251010002717); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 36,261 in California → Look up another NPI →
Also registered at 1775 Woodside RD Ste 203
A shared address usually means a shared clinic or building; it does not show who employs whom.
- April Ellis, LCSWClinical Social Worker1104504372
- Stephen Osborn, MSW, LCSWClinical Social Worker1922622174
- Libby Riverstone-Howe, MSW,LCSWClinical Social Worker1104003920
- Kaitlyn Sien, MA, AMFTMarriage & Family Therapist1902444847
Verify Barry David Pfeffer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 120750Check 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
- Cypress Health Licensed Clinical Social Worker IncRedwood City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Barry David Pfeffer among 36,261 clinical social worker records in California
Barry David Pfeffer, LCSW 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. Its NPI, issued in 2025, is newer than 94% of them.
- NPI issued2025 · 94% of these records are older, 2% newer
- In a Medicare fileYes · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 11% of these records are
- Graduated2018 · median 2012 among the 4,008 with a school on file
- Record last updated2025 · 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).
73 clinical social worker records list a practice address in Redwood City
They are 73 of the 2,795 NPPES records with a practice address in Redwood City, and 36,261 clinical social worker records in California.
All 36,261 in California → Every provider in Redwood City → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Elizabeth Conlan, LCSWRedwood City, CA 940611194429001
- Jeanne De Alcuaz, M.S.W.,L.C.S.W.Redwood City, CA 940611992239016
- Jessica Derise, LCSW-CRedwood City, CA 940611134358658
- April Ellis, LCSWRedwood City, CA 940611104504372
- Cristofina Gonzalez, LCSWRedwood City, CA 940611689449506
- Lucia Hollowell, LCSW, APHSW-CRedwood City, CA 940611356048623
- Willis Hudson, LCSWRedwood City, CA 940611487972824
- Brendan Murray, LCSWRedwood City, CA 940611720362379
Common questions
What is Barry David Pfeffer, LCSW's NPI number?
Barry David Pfeffer, LCSW's National Provider Identifier (NPI) is 1922988765, issued on Sep 3, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Barry David Pfeffer, LCSW located?
The NPPES record lists a practice address at 1775 Woodside RD Ste 203, Redwood City, CA, 94061. Phone: (650) 262-1105. Providers update this record themselves, so call before visiting.
How can I verify Barry David Pfeffer, LCSW's license?
NPPES lists California license number 120750, 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.