William Lyons
Mental Health Counselor · San Francisco, CA
William Lyons is a mental health counselor with a practice address in San Francisco, California, and NPI 1578638169, issued on Nov 21, 2006. 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
- William Lyons
- Primary taxonomy
- Mental Health Counselor 101YM0800X
- Practice location
- 1385 Mission St, San Francisco, CA 94103
- Phone
- (415) 864-4002
- Enumerated
- Nov 21, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (415) 864-7093
- Entity
- Type 1 · individual
8 nearest mental health counselor records → All 28,617 in California → Look up another NPI →
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Verify William Lyons 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
William Lyons among 28,617 mental health counselor records in California
William Lyons is one of 28,617 mental health counselor records with a practice address in California. 1% 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 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 96% newer
- In a Medicare fileNo · 1% of these records are
- In the CMS Doctors and Clinicians fileNo · 3% of these records are
- Record last updated2007 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YM0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
865 mental health counselor records list a practice address in San Francisco
They are 865 of the 38,143 NPPES records with a practice address in San Francisco, and 28,617 mental health counselor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 28,617 in California → Every provider in San Francisco → Mental Health Counselor nationwide →
The 8 mental health counselor records with the nearest ZIP codes
- Matthew BauerSan Francisco, CA 941031861566333
- Kristi ChauvinSan Francisco, CA 941031225102155
- Trung DuSan Francisco, CA 941031336215672
- Jessica FerrettiSan Francisco, CA 941031487728234
- Tanisha HughesSan Francisco, CA 941031285709857
- Avigail LevSan Francisco, CA 941031649345232
- Susan Marick-KerSan Francisco, CA 941031407920614
- Jason SmithSan Francisco, CA 941031336214857
Common questions
What is William Lyons's NPI number?
William Lyons's National Provider Identifier (NPI) is 1578638169, issued on Nov 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Lyons located?
The NPPES record lists a practice address at 1385 Mission St, San Francisco, CA, 94103. Phone: (415) 864-4002. Providers update this record themselves, so call before visiting.
How can I verify William Lyons'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.