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NAK HYUN CHOI M.D.
NPI 1780099168
Internal Medicine - Clinical Cardiac Electrophysiology in Washington, DC

Active since June 24, 2014PECOS EnrolledAccepts Medicare Assignment
111 MICHIGAN AVE NW, WASHINGTON, DC 20010(888) 884-2327(202) 476-3900 Get Directions Write a Review

NPPES record last updated: June 2, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jun 2, 2026, Nov 29, 2022, Jul 21, 2022 and 1 more (4 updates tracked since 2017).

About Nak Hyun Choi M.d. NPPES

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

NAK HYUN CHOI M.D. (NPI 1780099168) is an individual clinical cardiac electrophysiology provider in Washington, District Of Columbia, licensed in District Of Columbia (MD2000036) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS and is a graduate of George Washington University School Of Medicine (2014).

NPPES Registry Identity

NPI1780099168
Entity TypeIndividualMale
Primary Taxonomy207RC0001X
Provider Legal NameNAK HYUN CHOICredential: M.D.
Location Address111 MICHIGAN AVE NWWashington, DC 20010-2916
Mailing Address111 Michigan Ave NwWashington, DC 20010-2916 · (888) 884-2327 · Fax (202) 476-3900
Phone(888) 884-2327
Fax(202) 476-3900
Sole ProprietorNo
Medical School CMSGeorge Washington University School Of MedicineGraduated 2014
Enumeration DateJune 24, 2014
Last NPPES UpdateJune 2, 20264 updates tracked since enumeration
NPPES CertifiedJune 2, 2026
✔ NPI 1780099168 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Clinical Cardiac ElectrophysiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RC0001X
License✔ Licensed in DC · MD2000036
Definition

A field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.

Also ListedPediatricsTaxonomy 208000000X · License 56430 (CT)
Also ListedPediatrics · Pediatric CardiologyTaxonomy 2080P0202X · License C1-0025287 (DE), MD2000036 (DC)
111 MICHIGAN AVE NW, Washington, DC 20010
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Other Names 1

Other Name (5)Tom Choi M.d.

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Highmark Blue Cross Blue Shield Delaware.Insurance ›

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

Nak Hyun Choi M.d. 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 ID3274804893
PECOS Enrollment IDI20241112000408
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 20010 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
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.

MARION K. MCALPINE M.D.
Physical Medicine & Rehabilitation
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
District of Columbia (202) 476-3094
JANELLE VAUGHNS MD
Anesthesiology (Pediatric Anesthesiology)
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
District of Columbia (202) 884-2025
DR. KELLY D. STONE M.D., PH.D.
Pediatrics (Pediatric Allergy/Immunology)
111 MICHIGAN AVE NW, 111 MICHIGAN AVENUE, NW
WASHINGTON, DC 20010
District of Columbia (202) 884-4013
DR. TERRY R KIND M.D., MPH
Pediatrics
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
District of Columbia (202) 884-4013
DR. RUTH ELLEN HOLLO MD
Pediatrics
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
District of Columbia (202) 476-6878
DR. LAWRENCE J. D'ANGELO MD
Internal Medicine
111 MICHIGAN AVE NW, CHILDREN'S NATIONAL MEDICAL CENTER
WASHINGTON, DC 20010
District of Columbia (202) 476-3068
DR. ANASTASSIOS CONSTANTIN KOUMBOURLIS MD, MPH
Pediatrics (Pediatric Pulmonology)
111 MICHIGAN AVE NW, CHILDREN'S NATIONAL MEDICAL CENTER, SUITE 1030
WASHINGTON, DC 20010
District of Columbia (202) 476-2642
CLARIVET TORRES MD
Pediatrics (Pediatric Gastroenterology)
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
District of Columbia (202) 884-3058

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 Nak Hyun Choi's NPI number?

The NPI number for Nak Hyun Choi is 1780099168. It was assigned to this individual provider in the NPPES registry on June 24, 2014. The provider is also known as Tom Choi M.D..

Where is Nak Hyun Choi located?

Nak Hyun Choi practices at 111 Michigan Ave NW, Washington, DC 20010. The listed phone number is (888) 884-2327.

What is Nak Hyun Choi's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.

Is Nak Hyun Choi enrolled in Medicare?

Yes. Nak Hyun Choi 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.

What insurance does Nak Hyun Choi accept?

Health plans from Highmark Blue Cross Blue Shield Delaware list Nak Hyun Choi as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Nak Hyun Choi was last updated on June 2, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.