Anna P. Quan, MD
Internal Medicine Physician · San Diego, CA
Anna P. Quan, MD is an internal medicine physician with a practice address in San Diego, California, and NPI 1871543140, issued on May 10, 2006. Check the license (California A60361, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Anna P. Quan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A60361 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3350 LA Jolla Village Dr, San Diego, CA 92161
- Phone
- (858) 552-8585
- Enumerated
- May 10, 2006
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 3350 LA Jolla Village Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Anna P. Quan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A60361Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
14 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $23.76
1 payment: food and beverage; the largest payer was Oyster Point Pharma, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Anna P. Quan among 17,696 internal medicine physician records in California
Anna P. Quan, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
961 internal medicine physician records list a practice address in San Diego
They are 961 of the 52,937 NPPES records with a practice address in San Diego, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Diego → Internal Medicine Physician nationwide →
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- Simerjot Jassal, MDSan Diego, CA 921611689698052
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Common questions
What is Anna P. Quan, MD's NPI number?
Anna P. Quan, MD's National Provider Identifier (NPI) is 1871543140, issued on May 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Anna P. Quan, MD located?
The NPPES record lists a practice address at 3350 LA Jolla Village Dr, San Diego, CA, 92161. Phone: (858) 552-8585. Providers update this record themselves, so call before visiting.
How can I verify Anna P. Quan, MD's license?
NPPES lists California license number A60361, 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 Anna P. Quan, MD prescribe under Medicare Part D?
In 2024, Anna P. Quan, MD had 14 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.