Long Nguyen Thanh Duong, M.D.
Family Medicine Physician · Santa Ana, CA
Long Nguyen Thanh Duong, M.D. is a family medicine physician with a practice address in Santa Ana, California, and NPI 1538257241, issued on Oct 10, 2006. Check the license (California A74045, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Long Nguyen Thanh Duong
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A74045 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2708 Westminster Ave Ste 110, Santa Ana, CA 92706
- Phone
- (714) 554-7350
- Enumerated
- Oct 10, 2006
- Record last updated
- Aug 2, 2022
- Fax
- (714) 554-7481
- Medicaid ID
- 00A740450 CA
- Medicare enrollment
- Enrolled (PECOS I20050826000346); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Long Nguyen Thanh Duong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A74045Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average family medicine physician in 2024
911 Medicare Part D claims for 75 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium65 claims
- Metformin Hcl63 claims
- Rosuvastatin Calcium61 claims
- Amlodipine Besylate44 claims
- Lisinopril41 claims
- Losartan Potassium38 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.
Industry payments in 2024: $333.08
13 payments; by number, the most common kind was food and beverage; the largest payer was ViiV Healthcare Company. 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.
Long Nguyen Thanh Duong among 17,133 family medicine physician records in California
Long Nguyen Thanh Duong, 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
- Graduated1999 · median 2005 among the 10,652 with a school on file
- Record last updated2022 · 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
- Antonio Carbayo, MDSanta Ana, CA 927061033149356
- Regina Chinsiokwong, D.O.Santa Ana, CA 927061265597488
- Judith Friedland, M.D.Santa Ana, CA 927061043388978
- Cam-Van Huynh, MDSanta Ana, CA 927061366524290
- Julie Johnson, M.D.Santa Ana, CA 927061780697342
- Yin-Ming Liu, M.D.Santa Ana, CA 927061346327541
- Manuel Medina, PACSanta Ana, CA 927061952498867
- Julia Nasser, MDSanta Ana, CA 927061306917851
Common questions
What is Long Nguyen Thanh Duong, M.D.'s NPI number?
Long Nguyen Thanh Duong, M.D.'s National Provider Identifier (NPI) is 1538257241, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Long Nguyen Thanh Duong, M.D. located?
The NPPES record lists a practice address at 2708 Westminster Ave Ste 110, Santa Ana, CA, 92706. Phone: (714) 554-7350. Providers update this record themselves, so call before visiting.
How can I verify Long Nguyen Thanh Duong, M.D.'s license?
NPPES lists California license number A74045, 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 Long Nguyen Thanh Duong, M.D. prescribe under Medicare Part D?
In 2024, Long Nguyen Thanh Duong, M.D. had 911 Medicare Part D claims for 75 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.