Quick answers
- Which hospitals does Won S. Lee work at?
- Medicare's official clinician data lists Won S. Lee at 1 hospital: Frederick Health Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Won S. Lee see patients?
- Medicare's clinician data lists 2 practice locations, including Frederick, MD and Prince Frederick, MD. Call before your visit to confirm the address.
- What is Won S. Lee's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Won S. Lee accept Medicare assignment?
- Yes. Medicare's clinician data says Won S. Lee 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 Won S. Lee?
- (240) 566-3300, as listed in official Medicare / NPI Registry data.
- What is Won S. Lee's NPI number?
- 1942249230. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Won S. Lee works
Medicare's Facility Affiliation Data lists Won S. Lee at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Frederick Health HospitalFrederick, MD · Acute Care Hospital · CCN 210005
Practice locations
Addresses where Won S. Lee is enrolled with Medicare (CMS data updated 2026-10-02).
- 400 W 7th StFrederick, MD 21701 (240) 566‑3300
- 70 Sherry Ln, Suite 101Prince Frederick, MD 20678 (410) 889‑2040
Group practices
Medicare enrollment lists Won S. Lee as a member of this group (CMS data updated 2026-10-02).
- Anesthesia Company LLC378 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Frederick
Clinicians with the same Medicare primary specialty in Frederick, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1942249230 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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