Erika Zipf-Williams, PHD
Clinical Neuropsychologist · San Francisco, CA
Erika Zipf-Williams, PHD is a clinical neuropsychologist with a practice address in San Francisco, California, and NPI 1811037468, issued on Feb 6, 2007. Check the license (California PSY14863, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Erika Zipf-Williams
- Credential
- PHD
- Primary taxonomy
- Clinical Neuropsychologist 103G00000X
- License number
- PSY14863 CA
Self-reported in NPPES; status is on the state search - Practice location
- 375 Laguna Honda Blvd, San Francisco, CA 94116
- Phone
- (415) 759-2300
- Enumerated
- Feb 6, 2007
- Entity
- Type 1 · individual
Also registered at 375 Laguna Honda Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Martin Albion, MDInternal Medicine Physician1548397896
- Lucy Andrade, MS, CCC SLPSpeech-Language Pathologist1194854984
- Josephine Angcay, PTPhysical Therapist1255462362
- Fatima Ascano-Martin, DNP, RN, GCNS-BCMedical-Surgical Clinical Nurse Specialist1710205158
- Lai Lai Aung, M.DInternal Medicine Physician1396945127
Verify Erika Zipf-Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY14863Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
The practice group's Medicare quality score for 2023: 80.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
One hospital or facility affiliation
- County OF Santa ClaraSan Jose, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Clinical Neuropsychologist providers in California
There are 812 clinical neuropsychologist records in California.
Other clinical neuropsychologist records in California
- Richard Abbey, PH.D.Palo Alto, CA1730377649
- Jennifer Acogny, PSY.D.Beverly Hills, CA1841707643
- Jennifer Adler, PHDSan Diego, CA1164314753
- Kristina Agbayani, PH.D.Palo Alto, CA1174974125
- Maral AghvinianLos Angeles, CA1588545685
- Cynthia Aguilar, PSY.DLos Angeles, CA1114474699
- Hildy Agustin, PSY.D.Menlo Park, CA1124213764
- Charles AhernCarmel, CA1083336200
- Lori Alasantro, PHDCarlsbad, CA1669807111
- Mark Alfano, PH.D., ABPP (CN)West Hollywood, CA1326020991
Common questions
What is Erika Zipf-Williams, PHD's NPI number?
Erika Zipf-Williams, PHD's National Provider Identifier (NPI) is 1811037468, issued on Feb 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Erika Zipf-Williams, PHD located?
The NPPES record lists a practice address at 375 Laguna Honda Blvd, San Francisco, CA, 94116. Phone: (415) 759-2300. Providers update this record themselves, so call before visiting.
How can I verify Erika Zipf-Williams, PHD's license?
NPPES lists California license number PSY14863, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
What is Erika Zipf-Williams, PHD's Medicare quality score?
The 2023 MIPS final score is 80.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.