Tung Cong Nguyen, D.O.
Family Medicine Physician · Santa Ana, CA
Tung Cong Nguyen, D.O. is a family medicine physician with a practice address in Santa Ana, California, and NPI 1285679449, issued on Jun 19, 2006. Check the license (California 20A5784, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tung Cong Nguyen
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A5784 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2509 W 1St St, Santa Ana, CA 92703
- Phone
- (714) 541-0057
- Enumerated
- Jun 19, 2006
- Record last updated
- Nov 10, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (714) 541-0047
- Medicaid ID
- OOAX57840 CA
- Medicare enrollment
- Enrolled (PECOS I20110405000289); accepts Medicare assignment
- Medical or professional school
- Ohio University, College Of Osteopathic Medicine, 1987
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Tung Cong Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A5784Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average family medicine physician in 2024
1,630 Medicare Part D claims for 128 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium137 claims
- Amlodipine Besylate132 claims
- Metformin Hcl115 claims
- Losartan Potassium98 claims
- Lisinopril84 claims
- Metoprolol Succinate73 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
- Family Choice Aco IncWestminster, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tung Cong Nguyen among 17,133 family medicine physician records in California
Tung Cong Nguyen, D.O. 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
- Graduated1987 · median 2005 among the 10,652 with a school on file
- Record last updated2010 · 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).
177 family medicine physician records list a practice address in Santa Ana
They are 177 of the 8,904 NPPES records with a practice address in Santa Ana, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Santa Ana → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ravi BhaktaSanta Ana, CA 927031093248510
- Chun Chiang, M.D.Santa Ana, CA 927031457657710
- Jose Cilliani, D.O.Santa Ana, CA 927031265545586
- Robert Espinoza, M.D.Santa Ana, CA 927031154593069
- Megan Gonzalez, MDSanta Ana, CA 927031912572926
- Thao Hoang, D.O.Santa Ana, CA 927031750348363
- Afram Kallah, MDSanta Ana, CA 927031376586644
- Linda Lin, M.D.Santa Ana, CA 927031194165605
Common questions
What is Tung Cong Nguyen, D.O.'s NPI number?
Tung Cong Nguyen, D.O.'s National Provider Identifier (NPI) is 1285679449, issued on Jun 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tung Cong Nguyen, D.O. located?
The NPPES record lists a practice address at 2509 W 1St St, Santa Ana, CA, 92703. Phone: (714) 541-0057. Providers update this record themselves, so call before visiting.
How can I verify Tung Cong Nguyen, D.O.'s license?
NPPES lists California license number 20A5784, 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 Tung Cong Nguyen, D.O. prescribe under Medicare Part D?
In 2024, Tung Cong Nguyen, D.O. had 1,630 Medicare Part D claims for 128 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.