Quick answers
- Where does Isaac S. Yoon see patients?
- Medicare's clinician data lists 6 practice locations, including Waldorf, MD, Richmond, VA and Leesburg, VA. Call before your visit to confirm the address.
- What is Isaac S. Yoon's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Isaac S. Yoon accept Medicare assignment?
- Yes. Medicare's clinician data says Isaac S. Yoon accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Isaac S. Yoon?
- (240) 427-1926, as listed in official Medicare / NPI Registry data.
- What is Isaac S. Yoon's NPI number?
- 1417913310. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Isaac S. Yoon is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 2855 Crain HwyWaldorf, MD 20601 (240) 427‑1926
- 3370 Pump RdRichmond, VA 23233 (804) 360‑8061
- 601 Potomac Station DrLeesburg, VA 20176 (703) 840‑1396
- 6311 Richmond HwyAlexandria, VA 22306 (703) 647‑6087
- 705 Battlefield Blvd NChesapeake, VA 23320 (757) 547‑0688
Group practices
Medicare enrollment lists Isaac S. Yoon as a member of these groups (CMS data updated 2026-10-02).
- Patient First Richmond Medical Group PLLC289 clinicians in the group
- Patient First Maryland Medical Group PLLC254 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Waldorf
Clinicians with the same Medicare primary specialty in Waldorf, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Tulane University School Of Medicine |
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1417913310 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians