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DR. PETER NGUYEN DO
NPI 1922454172
Psychiatry & Neurology - Geriatric Psychiatry in Washington, DC

Active since May 06, 2016PECOS Enrolled
1100 ALABAMA AVE SE, WASHINGTON, DC 20032(202) 299-5000 Get Directions Write a Review

NPPES record last updated: May 19, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Peter Nguyen Do NPPES

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

DR. PETER NGUYEN DO (NPI 1922454172) is an individual geriatric psychiatry provider in Washington, District Of Columbia, licensed in District Of Columbia (DO034764) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1922454172
Entity TypeIndividualMale
Primary Taxonomy2084P0805X
Provider Legal NameDR. PETER NGUYENCredential: DO
Location Address1100 ALABAMA AVE SEWashington, DC 20032-4540
Mailing Address1270 4th St Ne Apt 1203Washington, DC 20002-6899 · (714) 925-2329
Phone(202) 299-5000
Sole ProprietorYes
Enumeration DateMay 6, 2016
Last NPPES UpdateMay 19, 2020
NPPES CertifiedMay 19, 2020
✔ NPI 1922454172 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Geriatric PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0805X
License✔ Licensed in DC · DO034764
Definition
Geriatric Psychiatry is a subspecialty with psychiatric expertise in prevention, evaluation, diagnosis and treatment of mental and emotional disorders in the elderly, and improvement of psychiatric care for healthy and ill elderly patients.
1100 ALABAMA AVE SE, Washington, DC 20032
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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 (PECOS)

Dr. Peter Nguyen Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 20032 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
$194.86 typical visit price
range $65.18 – $194.86
Typical copayment $48.71 (range $16.29 – $48.71)
Most-billed visit code 99205
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
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.

MARY UCHE KEMAKOLAM
Nurse Practitioner (Psychiatric/Mental Health)
1100 ALABAMA AVE SE
WASHINGTON, DC 20032
District of Columbia (202) 299-5100
ISA M ABU EL HAWA D.D.S
Dentist (General Practice)
1100 ALABAMA AVE SE
WASHINGTON, DC 20032
District of Columbia (202) 299-5610
SAINT ELIZABETHS HOSPITAL DENTAL CLINIC
Clinic/Center (Dental)
1100 ALABAMA AVE SE
WASHINGTON, DC 20032
District of Columbia (202) 299-5610
DR. MUSTAFA KAGHAZWALA D.O.
Student in an Organized Health Care Education/Training Program
1100 ALABAMA AVE SE
WASHINGTON, DC 20032
District of Columbia (202) 299-5302
CHINYERE EUPHEMIA UZOUKWU PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
1100 ALABAMA AVE SE
WASHINGTON, DC 20032
District of Columbia (202) 299-2746
HAIDER TARIQ BUTT MD
Student in an Organized Health Care Education/Training Program
1100 ALABAMA AVE SE
WASHINGTON, DC 20032
District of Columbia (202) 299-5100
DR. LAUREN ELYSE HALE DDS
Student in an Organized Health Care Education/Training Program
1100 ALABAMA AVE SE
WASHINGTON, DC 20032
District of Columbia (202) 299-5610
DR. WILLIE HARRINGTON III M.D.
Psychiatry & Neurology (Psychiatry)
1100 ALABAMA AVE SE
WASHINGTON, DC 20032
District of Columbia (202) 299-5000

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 Peter Nguyen's NPI number?

The NPI number for Peter Nguyen is 1922454172. It was assigned to this individual provider in the NPPES registry on May 6, 2016.

Where is Peter Nguyen located?

Peter Nguyen practices at 1100 Alabama Ave SE, Washington, DC 20032. The listed phone number is (202) 299-5000.

What is Peter Nguyen's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Geriatric Psychiatry, with taxonomy code 2084P0805X.

Is Peter Nguyen enrolled in Medicare?

Yes. Peter Nguyen is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Peter Nguyen was last updated on May 19, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.