An Duy Nguyen, M.D.
Hematology & Oncology Physician · Huntington Beach, CA
An Duy Nguyen, M.D. is a hematology & oncology physician with a practice address in Huntington Beach, California, and NPI 1023011384, issued on May 31, 2005. Check the license (California A78574, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- An Duy Nguyen
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A78574 CA
Self-reported in NPPES; status is on the state search - Practice location
- 19582 Beach Blvd, Huntington Beach, CA 92648
- Phone
- (714) 252-9415
- Enumerated
- May 31, 2005
- Record last updated
- Jan 9, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (714) 963-8407
- Medicaid ID
- 00A785740 CA
- Medicare enrollment
- Enrolled (PECOS I20040621001522); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 2001
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 19582 Beach Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify An Duy Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A78574Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
588 Medicare Part D claims for 95 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Letrozole44 claims
- Gabapentin27 claims
- Hydralazine Hcl22 claims
- Citalopram Hbr21 claims
- Diphenoxylate-Atropine21 claims
- Hydroxyurea19 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: $51.76
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 8,560 providers of this specialty with any payment received $7,481.41 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
- Usc Care Medical Group IncLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
An Duy Nguyen among 1,583 hematology & oncology physician records in California
An Duy Nguyen, M.D. is one of 1,583 hematology & oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2001 · median 2003 among the 1,124 with a school on file
- Record last updated2012 · 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 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in California
There are 1,583 hematology & oncology physician records in California.
All 1,583 in California → Every provider in Huntington Beach → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Mohamad BarakatHuntington Beach, CA 926481558534131
- David Burtzo, M.D.Huntington Beach, CA 926481336168814
- Luke Chen, M.D.Huntington Beach, CA 926481265451736
- Umair Ghani, M.D.Huntington Beach, CA 926481619266228
- Yaser Homsi, M.D.Huntington Beach, CA 926481790943983
- Danny Nguyen, M.D.Huntington Beach, CA 926481386960334
- Karlos Oregel, M.D.Huntington Beach, CA 926481184913006
- Eleonor Quan, M.D.Huntington Beach, CA 926481770502254
Common questions
What is An Duy Nguyen, M.D.'s NPI number?
An Duy Nguyen, M.D.'s National Provider Identifier (NPI) is 1023011384, issued on May 31, 2005. An NPI identifies a provider in billing; it is not a license.
Where is An Duy Nguyen, M.D. located?
The NPPES record lists a practice address at 19582 Beach Blvd, Huntington Beach, CA, 92648. Phone: (714) 252-9415. Providers update this record themselves, so call before visiting.
How can I verify An Duy Nguyen, M.D.'s license?
NPPES lists California license number A78574, 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 An Duy Nguyen, M.D. prescribe under Medicare Part D?
In 2024, An Duy Nguyen, M.D. had 588 Medicare Part D claims for 95 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.