Sarah Lynn Hammill
Social Worker · San Rafael, CA
Sarah Lynn Hammill is a social worker with a practice address in San Rafael, California, and NPI 1871845354, issued on Oct 9, 2012. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Sarah Lynn Hammill
- Primary taxonomy
- Social Worker 104100000X
- Practice location
- 3270 Kerner Blvd, San Rafael, CA 94901
- Phone
- (415) 473-2100
- Enumerated
- Oct 9, 2012
- Record last updated
- Oct 9, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest social worker records → All 10,332 in California → Look up another NPI →
Also registered at 3270 Kerner Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maria Abaci, LCSWClinical Social Worker1205161924
- Allison AdcockMarriage & Family Therapist1750665220
- Iris Allen-WillisCounselor1235586199
- Alexis BeebeMental Health Counselor1992074397
- Scott BergerStudent in an Organized Health Care Education/Training Program1588219786
- Robert Bordeaux, MFTIMental Health Counselor1629173505
Verify Sarah Lynn Hammill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Sarah Lynn Hammill among 10,332 social worker records in California
Sarah Lynn Hammill is one of 10,332 social worker records with a practice address in California. 2% 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 2012, is newer than 26% of them.
- NPI issued2012 · 26% of these records are older, 71% newer
- In a Medicare fileNo · 2% of these records are
- In the CMS Doctors and Clinicians fileNo · 3% of these records are
- Record last updated2012 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 104100000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Social Worker providers in California
There are 10,332 social worker records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 10,332 in California → Every provider in San Rafael → Social Worker nationwide →
The 8 social worker records with the nearest ZIP codes
- Jonathan Botson, MSWSan Rafael, CA 949011508041633
- Alaina Cantor, LCSWSan Rafael, CA 949011588945265
- Evelyn GrimaldiSan Rafael, CA 949011437604550
- Sarah Grossi, MSWSan Rafael, CA 949011972784387
- Zachariah HotzSan Rafael, CA 949011467769307
- Jeanette Kadesh, LCSWSan Rafael, CA 949011679608962
- Caitlin Nevin, MSWSan Rafael, CA 949011265838460
- Christopher PedrazaSan Rafael, CA 949011588050918
Common questions
What is Sarah Lynn Hammill's NPI number?
Sarah Lynn Hammill's National Provider Identifier (NPI) is 1871845354, issued on Oct 9, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Lynn Hammill located?
The NPPES record lists a practice address at 3270 Kerner Blvd, San Rafael, CA, 94901. Phone: (415) 473-2100. Providers update this record themselves, so call before visiting.
How can I verify Sarah Lynn Hammill's license?
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.