Hoon Chang, MD
Internal Medicine · Nephrology (CMS) · Fairfax, VA
At a glance
13135 Route 50 Ste 135, Fairfax, VA 22033-1907
NPPES record updated Jun 26, 2025. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
13135 Route 50 Ste 135Fairfax, VA 22033-1907
Additional reported practice locations
1500 Forest Glen RdSilver Spring, MD 209101460
Phone: 3017547000 3400 Spruce Street
1 Founders Pavilion
Philadelphia, PA 19104
Phone: 2156622638 655 Watkins Mill Rd Fl 5
Gaithersburg, MD 208793301
Phone: 2406324021
Education & affiliations
- Medical / professional school
- Georgetown University School Of Medicine
- Graduation year
- 2020
- CMS specialties
- Internal Medicine · Nephrology
Practice groups
Reported hospital affiliations
- Inova Alexandria Hospital Alexandria, VA
- Inova Fair Oaks Hospital Fairfax, VA
- Inova Fairfax Hospital Falls Church, VA
- Inova Loudoun Hospital Leesburg, VA
- Sentara Northern Virginia Medical Center Woodbridge, VA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Service-mix comparison is unavailable for this NPI in the imported Medicare service file.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $196.95 |
Reporting companies
| Company | Amount |
|---|---|
| AKEBIA THERAPEUTICS INC | $112.26 |
| AMGEN INC. | $35.92 |
| OTSUKA AMERICA PHARMACEUTICAL, INC. | $27.28 |
| TRAVERE THERAPEUTICS, INC. | $21.49 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Internal Medicine · Nephrology (CMS)
- Taxonomy code
- 207RN0300X
- Enumeration date
- Mar 23, 2020
- Record updated
- Jun 26, 2025
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
390200000X
License reported: MT229280 PA
390200000X
207RN0300X · Primary
License reported: 0101274833 VA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
13135 Route 50 Ste 135Fairfax, VA 22033-1907
- Phone
- (703) 961-0484
Mailing address
13135 ROUTE 50 STE 135FAIRFAX, VA 220331907
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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