Billy Nguyen
Psychiatry Physician · Mobile, AL
Billy Nguyen is a psychiatry physician with a practice address in Mobile, Alabama, and NPI 1336719442, issued on Jun 30, 2021. Check the license (Alabama MD.51840, as entered in NPPES) on the Alabama Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Billy Nguyen
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- MD.51840 AL
Self-reported in NPPES; status is on the state search - Practice location
- 2451 University Hospital Dr # 212, Mobile, AL 36617
- Phone
- (251) 660-2360
- Enumerated
- Jun 30, 2021
- Record last updated
- Oct 23, 2025
- Medicare enrollment
- Enrolled (PECOS I20260327002811); accepts Medicare assignment
- Medical or professional school
- University Of Oklahoma College Of Medicine, 2024
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 517 in Alabama → Look up another NPI →
Also registered at 2451 University Hospital Dr # 212
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Billy Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlabama Board of Medical Examiners
Search for license MD.51840Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average psychiatry physician in 2024
22 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
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
- Altapointe Health Systems IncMobile, AL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Billy Nguyen among 517 psychiatry physician records in Alabama
Billy Nguyen is one of 517 psychiatry physician records with a practice address in Alabama. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 90% of them.
- NPI issued2021 · 90% of these records are older, 8% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 46% of these records are
- Graduated2024 · median 2004 among the 237 with a school on file
- Record last updated2025 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Alabama practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
78 psychiatry physician records list a practice address in Mobile
They are 78 of the 6,309 NPPES records with a practice address in Mobile, and 517 psychiatry physician records in Alabama.
All 517 in Alabama → Every provider in Mobile → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- William Billett, M.DMobile, AL 366171306848254
- Sebrina Burnett, DOMobile, AL 366171043953698
- Manuel Cepeda, MDMobile, AL 366171659321768
- Miranda Crowell, MDMobile, AL 366171003556077
- Amanda DavisMobile, AL 366171710637459
- Jason Engeriser, M.D.Mobile, AL 366171386735280
- Michael MarshallMobile, AL 366171083119473
- Dominique MorenoMobile, AL 366171063040376
Common questions
What is Billy Nguyen's NPI number?
Billy Nguyen's National Provider Identifier (NPI) is 1336719442, issued on Jun 30, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Billy Nguyen located?
The NPPES record lists a practice address at 2451 University Hospital Dr # 212, Mobile, AL, 36617. Phone: (251) 660-2360. Providers update this record themselves, so call before visiting.
How can I verify Billy Nguyen's license?
NPPES lists Alabama license number MD.51840, as entered by the provider. Search the Alabama Board of Medical Examiners at https://www.albme.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Billy Nguyen prescribe under Medicare Part D?
In 2024, Billy Nguyen had 22 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.