Doug Tan Nguyen, M.D.
Family Medicine Physician · San Diego, CA
Doug Tan Nguyen, M.D. is a family medicine physician with a practice address in San Diego, California, and NPI 1730274614, issued on Oct 4, 2006. Check the license (California A77506, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Doug Tan Nguyen
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A77506 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10243 Genetic Center Drive, San Diego, CA 92121
- Phone
- (858) 499-2600
- Enumerated
- Oct 4, 2006
- Record last updated
- Jun 25, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (858) 526-6093
- Medicaid ID
- 00A775060 CA
- Medicare enrollment
- Enrolled (PECOS I20100729000975); accepts Medicare assignment
- Medical or professional school
- Virginia Commonwealth University, School Of Medicine, 2000
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 10243 Genetic Center Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mary Pikus, M.D.Internal Medicine Physician1548370596
Verify Doug Tan Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A77506Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% more Medicare Part D claims than the average family medicine physician in 2024
5,832 Medicare Part D claims for 507 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 86 claims were for opioids.
Most prescribed
- Atorvastatin Calcium632 claims
- Amlodipine Besylate470 claims
- Losartan Potassium348 claims
- Rosuvastatin Calcium201 claims
- Metformin Hcl172 claims
- Tamsulosin Hcl164 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $117.75
1 payment: food and beverage; the largest payer was Dexcom, Inc. The 55,478 providers of this specialty with any payment received $902.55 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.
Bills Medicare through one group practice
- Sharp Rees-Stealy Medical Group IncSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Doug Tan Nguyen among 17,133 family medicine physician records in California
Doug Tan Nguyen, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2000 · median 2005 among the 10,652 with a school on file
- Record last updated2013 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
780 family medicine physician records list a practice address in San Diego
They are 780 of the 52,937 NPPES records with a practice address in San Diego, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Diego → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
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- Amy Chilingirian, DOSan Diego, CA 921211477516706
- Silvia Del Riego, M.D.San Diego, CA 921211063431591
- Cindy Hsu, MDSan Diego, CA 921211609980770
- Christopher Kelsey, MDSan Diega, CA 921211902867419
- Jane Kim, D.O.San Diego, CA 921211497785810
Common questions
What is Doug Tan Nguyen, M.D.'s NPI number?
Doug Tan Nguyen, M.D.'s National Provider Identifier (NPI) is 1730274614, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Doug Tan Nguyen, M.D. located?
The NPPES record lists a practice address at 10243 Genetic Center Drive, San Diego, CA, 92121. Phone: (858) 499-2600. Providers update this record themselves, so call before visiting.
How can I verify Doug Tan Nguyen, M.D.'s license?
NPPES lists California license number A77506, 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 Doug Tan Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Doug Tan Nguyen, M.D. had 5,832 Medicare Part D claims for 507 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Doug Tan Nguyen, M.D.'s MIPS final score?
The 2023 MIPS final score is 73.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.