Gary A. Rust, MD
Specialist · San Francisco, CA
Gary A. Rust, MD is a specialist with a practice address in San Francisco, California, and NPI 1073697322, issued on Oct 24, 2006. Check the license (California G84324, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gary A. Rust
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- G84324 CA
Self-reported in NPPES; status is on the state search - Practice location
- 45 Castro St Ste 210, San Francisco, CA 94114
- Phone
- (415) 626-4900
- Enumerated
- Oct 24, 2006
- Record last updated
- Jul 12, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (415) 626-4901
- Medicaid ID
- 00G843240 CA
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 45 Castro St Ste 210
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gary A. Rust in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license G84324Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average specialist in 2024
28 Medicare Part D claims, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Ipratropium Bromide25 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Gary A. Rust among 5,749 specialist records in California
Gary A. Rust, MD 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. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 60% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2007 · 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.
All 5,749 in California → Every provider in San Francisco → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Bernard Alpert, M.D.San Francisco, CA 941141578680450
- James Budke, M.D.San Francisco, CA 941141417089210
- Gabriel Kind, M.D.San Francisco, CA 941141831130673
- Douglas Ousterhout, MD, DDSSan Francisco, CA 941141922235332
- Joanna Swanton, OTSan Francisco, CA 941141689936841
- Jerrold Wittert, M.D.San Francisco, CA 941141568793107
- Farrah Yau, MD,FRCSCSan Francisco, CA 941141932485711
- Barry Baron, MDSan Francisco, CA 941151467563353
Common questions
What is Gary A. Rust, MD's NPI number?
Gary A. Rust, MD's National Provider Identifier (NPI) is 1073697322, issued on Oct 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gary A. Rust, MD located?
The NPPES record lists a practice address at 45 Castro St Ste 210, San Francisco, CA, 94114. Phone: (415) 626-4900. Providers update this record themselves, so call before visiting.
How can I verify Gary A. Rust, MD's license?
NPPES lists California license number G84324, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Gary A. Rust, MD prescribe under Medicare Part D?
In 2024, Gary A. Rust, MD had 28 Medicare Part D claims; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions 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.