What is Hoon Chang's NPI number?

Hoon Chang's National Provider Identifier (NPI) is 1457987364, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Hoon Chang's specialty?

Hoon Chang is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).

Where is Hoon Chang located?

Hoon Chang's practice location on file with NPPES is 13135 Route 50 Ste 135, Fairfax, VA 22033-1907.

What is Hoon Chang's phone number?

The practice phone number listed in the NPPES registry for Hoon Chang is (703) 961-0484.

Does Hoon Chang accept Medicare?

Hoon Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Hoon Chang's NPI active?

Yes — Hoon Chang's NPI (1457987364) is active in the NPPES registry as of the last update on 2025-06-26.

IndividualActiveAccepts Medicare

Hoon Chang, MD

NPI 1457987364 · Nephrology Physician · Fairfax, VA

Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Hoon Chang, MD is a Nephrology Physician provider in Fairfax, VA (NPI 1457987364).

Provider details

NPI number: 1457987364
Entity type: Individual
Primary specialty: Nephrology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: MT229280 (PA)

Specialties & taxonomies

Nephrology PhysicianPrimary207RN0300XLicense 0101274833 (VA)
Allopathic & Osteopathic Physicians
Student in an Organized Health Care Education/Training Program390200000XLicense MT229280 (PA)
Student, Health Care
Student in an Organized Health Care Education/Training Program390200000X
Student, Health Care

Profile Score

Established profile(74/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
6 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
4 documented practice locations

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

13135 Route 50 Ste 135

Fairfax, VA 22033-1907

Phone: (703) 961-0484

Approximate (ZIP-level) locationGet directions

More VA providers

Mailing address

13135 Route 50 Ste 135

Fairfax, VA 22033-1907

Additional practice locations (3)

655 Watkins Mill Rd Fl 5
Gaithersburg, MD 20879-3301
Phone: (240) 632-4021
1500 Forest Glen Rd
Silver Spring, MD 20910-1460
Phone: (301) 754-7000
3400 Spruce Street
1 Founders Pavilion
Philadelphia, PA 19104
Phone: (215) 662-2638

Enumerated: 2020-03-23
Last updated: 2025-06-26
Certified: 2025-06-26

Frequently asked questions

What is Hoon Chang's NPI number?: Hoon Chang's National Provider Identifier (NPI) is 1457987364, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Hoon Chang's specialty?: Hoon Chang is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
Where is Hoon Chang located?: Hoon Chang's practice location on file with NPPES is 13135 Route 50 Ste 135, Fairfax, VA 22033-1907.
What is Hoon Chang's phone number?: The practice phone number listed in the NPPES registry for Hoon Chang is (703) 961-0484.
Does Hoon Chang accept Medicare?: Hoon Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Hoon Chang's NPI active?: Yes — Hoon Chang's NPI (1457987364) is active in the NPPES registry as of the last update on 2025-06-26.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.