David Charles Crosby, PH.D.
Specialist · San Francisco, CA
David Charles Crosby, PH.D. is a specialist with a practice address in San Francisco, California, and NPI 1972435063, issued on Jun 2, 2026. 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
- David Charles Crosby
- Credential
- PH.D.
- Primary taxonomy
- Specialist 174400000X
- Practice location
- 2186 36TH Ave, San Francisco, CA 94116
- Phone
- (510) 328-3675
- Enumerated
- Jun 2, 2026
- Record last updated
- Jun 2, 2026
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Verify David Charles Crosby 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
David Charles Crosby among 5,749 specialist records in California
David Charles Crosby, PH.D. is one of 5,749 specialist records with a practice address in California. 30% 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 2026, is newer than 98% of them.
- NPI issued2026 · 98% of these records are older, 0% newer
- In a Medicare fileNo · 30% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2026 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
666 specialist records list a practice address in San Francisco
They are 666 of the 38,143 NPPES records with a practice address in San Francisco, and 5,749 specialist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 5,749 in California → Every provider in San Francisco → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Jason BartosavageSan Francisco, CA 941161053832204
- Michael BruceSan Francisco, CA 941161710110333
- Deborah CallejaSan Francisco, CA 941161144769647
- Stephen DempseySan Francisco, CA 941161124580089
- Melissa GreenSan Francisco, CA 941161194044362
- Eric JueSan Francisco, CA 941161801115001
- David LoSan Francisco, CA 941161164844965
- Maria Josephine MontemayorSan Francisco, CA 941161194101881
Common questions
What is David Charles Crosby, PH.D.'s NPI number?
David Charles Crosby, PH.D.'s National Provider Identifier (NPI) is 1972435063, issued on Jun 2, 2026. An NPI identifies a provider in billing; it is not a license.
Where is David Charles Crosby, PH.D. located?
The NPPES record lists a practice address at 2186 36TH Ave, San Francisco, CA, 94116. Phone: (510) 328-3675. Providers update this record themselves, so call before visiting.
How can I verify David Charles Crosby, PH.D.'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.