Dean X. Nghiem, PA
Physician Assistant · Santa Ana, CA
Dean X. Nghiem, PA is a physician assistant with a practice address in Santa Ana, California, and NPI 1639252448, issued on Oct 23, 2006. Check the license (California PA17385, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Dean X. Nghiem
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA17385 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3130 S Harbor Blvd, Santa Ana, CA 92704
- Phone
- (714) 619-8777
- Enumerated
- Oct 23, 2006
- Record last updated
- Oct 17, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 3130 S Harbor Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Venus Marin, NP(NURSE PRACTITIONENurse Practitioner1821167214
- Norina Nillas, NPRegistered Nurse1144304569
Verify Dean X. Nghiem in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA17385Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.3 times the Medicare Part D claims of the average physician assistant in 2024
4,413 Medicare Part D claims for 441 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 1% of claims. 1,425 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen841 claims
- Gabapentin496 claims
- Tizanidine Hcl276 claims
- Celecoxib269 claims
- Pregabalin190 claims
- Meloxicam187 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.
Dean X. Nghiem among 14,451 physician assistant records in California
Dean X. Nghiem, PA is one of 14,451 physician assistant records with a practice address in California. 75% 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 1% of them.
- NPI issued2006 · 1% of these records are older, 87% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2008 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
124 physician assistant records list a practice address in Santa Ana
They are 124 of the 8,904 NPPES records with a practice address in Santa Ana, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Santa Ana → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Michele Burns, PASanta Ana, CA 927041437248572
- Michelle Davis, PA-CSanta Ana, CA 927041275648842
- Maidiana English, PA-CSanta Ana, CA 927041487906715
- Robert Gibson, P.A.Santa Ana, CA 927041457634008
- Elizabeth Herbst-Collins, PASanta Ana, CA 927041821320185
- Jaime Luna, PA-CSanta Ana, CA 927041962615369
- Roberto Marin, PA-CSanta Ana, CA 927041134544125
- Jigna Mehta, PA-CSanta Ana, CA 927041174638738
Common questions
What is Dean X. Nghiem, PA's NPI number?
Dean X. Nghiem, PA's National Provider Identifier (NPI) is 1639252448, issued on Oct 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dean X. Nghiem, PA located?
The NPPES record lists a practice address at 3130 S Harbor Blvd, Santa Ana, CA, 92704. Phone: (714) 619-8777. Providers update this record themselves, so call before visiting.
How can I verify Dean X. Nghiem, PA's license?
NPPES lists California license number PA17385, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Dean X. Nghiem, PA prescribe under Medicare Part D?
In 2024, Dean X. Nghiem, PA had 4,413 Medicare Part D claims for 441 beneficiaries; the average among physician assistant prescribers was 830. 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.