Duc Van Nguyen, M.D.
Adolescent Medicine (Internal Medicine) Physician · Rosemead, CA
Duc Van Nguyen, M.D. is an adolescent medicine (internal medicine) physician with a practice address in Rosemead, California, and NPI 1518992544, issued on Jul 11, 2006. Check the license (California C42546, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Duc Van Nguyen
- Credential
- M.D.
- Primary taxonomy
- Adolescent Medicine (Internal Medicine) Physician 207RA0000X
- License number
- C42546 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8748 Valley Blvd, Rosemead, CA 91770
- Phone
- (626) 288-3306
- Enumerated
- Jul 11, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (626) 288-9444
- Medicare enrollment
- Enrolled (PECOS I20100929001206); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest adolescent medicine (internal medicine) physician records → All 30 in California → Look up another NPI →
Also registered at 8748 Valley Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susan Tran, ODOptometrist1730495847
Verify Duc Van Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C42546Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% more Medicare Part D claims than the average adolescent medicine (internal medicine) physician in 2024
5,756 Medicare Part D claims for 389 beneficiaries, against an average of 3,639 among the 177 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 21 claims were for opioids.
Most prescribed
- Atorvastatin Calcium919 claims
- Amlodipine Besylate713 claims
- Losartan Potassium581 claims
- Metformin Hcl314 claims
- Pravastatin Sodium229 claims
- Benazepril Hcl170 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: $109.82
6 payments; by number, the most common kind was food and beverage; the largest payer was Lundbeck LLC. The 96 providers of this specialty with any payment received $515.93 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.
Duc Van Nguyen among 30 adolescent medicine (internal medicine) physician records in California
Duc Van Nguyen, M.D. is one of 30 adolescent medicine (internal medicine) physician records with a practice address in California. 67% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 47% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated1975 · median 2003 among the 12 with a school on file
- Record last updated2007 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adolescent Medicine (Internal Medicine) Physician providers in California
There are 30 adolescent medicine (internal medicine) physician records in California.
All 30 in California → Every provider in Rosemead → Adolescent Medicine (Internal Medicine) Physician nationwide →
The 8 adolescent medicine (internal medicine) physician records with the nearest ZIP codes
- Venu Prabaker, M.D.La Mesa, CA 919411467401042
- Brian Murray, M.D.La Jolla, CA 920931194888495
- Hoang Dong, MDSan Diego, CA 921031841473154
- Hossain Ronaghy, M.D.San Diego, CA 921091386670438
- Stephen Shen, M.D.San Diego, CA 921231396839726
- Venkatappa Padmanabha, M.D FACPBarstow, CA 923111710946843
- Sina Bakhshaei, M.D.Temecula, CA 925921285253237
- Barton Billeci, MDIrvine, CA 926041154407237
Common questions
What is Duc Van Nguyen, M.D.'s NPI number?
Duc Van Nguyen, M.D.'s National Provider Identifier (NPI) is 1518992544, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Duc Van Nguyen, M.D. located?
The NPPES record lists a practice address at 8748 Valley Blvd, Rosemead, CA, 91770. Phone: (626) 288-3306. Providers update this record themselves, so call before visiting.
How can I verify Duc Van Nguyen, M.D.'s license?
NPPES lists California license number C42546, 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 Duc Van Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Duc Van Nguyen, M.D. had 5,756 Medicare Part D claims for 389 beneficiaries; the average among adolescent medicine (internal medicine) physician prescribers was 3,639. 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.