Courtney Ann Gonzales, M.D.
Gastroenterology Physician · San Francisco, CA
Courtney Ann Gonzales, M.D. is a gastroenterology physician with a practice address in San Francisco, California, and NPI 1669708830, issued on Oct 23, 2009. Check the license (California A115848, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Courtney Ann Gonzales
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A115848 CA
Self-reported in NPPES; status is on the state search - Practice location
- 503 Parnassus Avenue, San Francisco, CA 94143
- Phone
- (415) 476-1528
- Enumerated
- Oct 23, 2009
- Record last updated
- Jun 11, 2026
- Fax
- (415) 502-1976
- Medicare enrollment
- Enrolled (PECOS I20151015002592); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Verify Courtney Ann Gonzales in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A115848Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% fewer Medicare Part D claims than the average gastroenterology physician in 2024
553 Medicare Part D claims for 181 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Pantoprazole Sodium85 claims
- Gavilyte-C76 claims
- Dicyclomine Hcl49 claims
- Mesalamine37 claims
- Omeprazole35 claims
- Colestipol Hcl20 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.
Bills Medicare through one group practice
- Permanente Medical Group IncAntioch, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Courtney Ann Gonzales among 2,140 gastroenterology physician records in California
Courtney Ann Gonzales, M.D. is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 69% of them.
- NPI issued2009 · 69% of these records are older, 28% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2009 · median 2002 among the 1,538 with a school on file
- Record last updated2026 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in San Francisco → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Kendall BeckSan Francisco, CA 941431972892057
- John Cello, MDSan Francisco, CA 941431346205168
- Joseph Chen, M.D.San Francisco, CA 941431558500603
- Jennifer Chen, MDSan Francisco, CA 941431376771758
- Lukejohn Day, M.D.San Francisco, CA 941431669623773
- Jeanne-Marie GiardSan Francisco, CA 941431194134460
- Abdul Kouanda, MDSan Francisco, CA 941431144648833
- Timothy Lu, M.D., PH.D.San Francisco, CA 941431922258169
Common questions
What is Courtney Ann Gonzales, M.D.'s NPI number?
Courtney Ann Gonzales, M.D.'s National Provider Identifier (NPI) is 1669708830, issued on Oct 23, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Courtney Ann Gonzales, M.D. located?
The NPPES record lists a practice address at 503 Parnassus Avenue, San Francisco, CA, 94143. Phone: (415) 476-1528. Providers update this record themselves, so call before visiting.
How can I verify Courtney Ann Gonzales, M.D.'s license?
NPPES lists California license number A115848, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Courtney Ann Gonzales, M.D. prescribe under Medicare Part D?
In 2024, Courtney Ann Gonzales, M.D. had 553 Medicare Part D claims for 181 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.