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BILLY NGUYEN
NPI 1336719442
Psychiatry & Neurology - Psychiatry in Mobile, AL

Active since June 30, 2021PECOS EnrolledAccepts Medicare Assignment
2451 UNIVERSITY HOSPITAL DR # 212, MOBILE, AL 36617(251) 660-2360 Get Directions Write a Review

NPPES record last updated: October 23, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 2, 2025, Jun 28, 2025, Jun 30, 2021 (3 updates tracked since 2021).

About Billy Nguyen NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

BILLY NGUYEN (NPI 1336719442) is an individual psychiatry provider in Mobile, Alabama, licensed in Alabama (MD.51840) and active in the NPI registry since June 2021. He is enrolled in Medicare PECOS and is a graduate of University Of Oklahoma College Of Medicine (2024).

NPPES Registry Identity

NPI1336719442
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameBILLY NGUYEN
Location Address2451 UNIVERSITY HOSPITAL DR # 212Mobile, AL 36617-2300
Mailing Address2451 University Hospital Dr # 212Mobile, AL 36617-2300 · (251) 660-2360
Phone(251) 660-2360
Sole ProprietorNo
Medical School CMSUniversity Of Oklahoma College Of MedicineGraduated 2024
Enumeration DateJune 30, 2021
Last NPPES UpdateOctober 23, 20253 updates tracked since enumeration
NPPES CertifiedOctober 23, 2025
✔ NPI 1336719442 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in AL · MD.51840
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
2451 UNIVERSITY HOSPITAL DR # 212, Mobile, AL 36617
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Billy Nguyen is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9830620475
PECOS Enrollment IDI20260327002811
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 36617 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$161.63 typical visit price
range $52.65 – $161.63
Typical copayment $40.40 (range $13.16 – $40.40)
Most-billed visit code 99205
Established Patient
$66.08 typical visit price
range $16.56 – $131.65
Typical copayment $16.52 (range $4.14 – $32.91)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MARIA JOSE MORENO LEIGUE
Pediatrics
2451 UNIVERSITY HOSPITAL DR # 212
MOBILE, AL 36617
Mobile County (251) 434-3915
JONGIN JULIA BAEK MD
Surgery
2451 UNIVERSITY HOSPITAL DR # 212
MOBILE, AL 36617
Mobile County (251) 445-8282
WILLIAM JOHN WELCH MD
Student in an Organized Health Care Education/Training Program
2451 UNIVERSITY HOSPITAL DR # 212
MOBILE, AL 36617
Mobile County (251) 660-2360
DR. WILLIAM CURTIS DAVIS III MD
Emergency Medicine
2451 UNIVERSITY HOSPITAL DR # 212
MOBILE, AL 36617
Mobile County (251) 471-7000
CHITHRA SREENIVASAN MD
Student in an Organized Health Care Education/Training Program
2451 UNIVERSITY HOSPITAL DR # 212
MOBILE, AL 36617
Mobile County (251) 434-3475
KATHERINE ELIZABETH NIEL DO
Radiology (Diagnostic Radiology)
2451 UNIVERSITY HOSPITAL DR # 212
MOBILE, AL 36617
Mobile County (251) 471-7152
DR. LINDA ALEXANDRIA HUTCHISON DO
Psychiatry & Neurology (Child & Adolescent Psychiatry)
2451 UNIVERSITY HOSPITAL DR # 212
MOBILE, AL 36617
Mobile County (514) 717-1172
MEHDI KHALEGHI MD
Neurological Surgery
2451 UNIVERSITY HOSPITAL DR # 212
MOBILE, AL 36617
Mobile County (251) 471-7117

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Billy Nguyen's NPI number?

The NPI number for Billy Nguyen is 1336719442. It was assigned to this individual provider in the NPPES registry on June 30, 2021.

Where is Billy Nguyen located?

Billy Nguyen practices at 2451 University Hospital Dr # 212, Mobile, AL 36617. The listed phone number is (251) 660-2360.

What is Billy Nguyen's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Billy Nguyen enrolled in Medicare?

Yes. Billy Nguyen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Billy Nguyen was last updated on October 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.