Quick answers
- Which hospitals does Ya-Yu Lee work at?
- Medicare's official clinician data lists Ya-Yu Lee at 5 hospitals: Lehigh Valley Hospital, Lehigh Valley Hospital - Pocono, Schuylkill Medical Center - South Jackson Street, St Luke's Warren Hospital and St Lukes Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ya-Yu Lee see patients?
- Medicare's clinician data lists 2 practice locations, including Allentown, PA and Birdsboro, PA. Call before your visit to confirm the address.
- What is Ya-Yu Lee's specialty?
- Medicare lists Endocrinology as the primary specialty.
- Does Ya-Yu Lee accept Medicare assignment?
- Yes. Medicare's clinician data says Ya-Yu 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.
- Does Ya-Yu Lee offer telehealth?
- Medicare's clinician data says Ya-Yu Lee offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Ya-Yu Lee?
- (610) 402-6790, as listed in official Medicare / NPI Registry data.
- What is Ya-Yu Lee's NPI number?
- 1235271545. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ya-Yu Lee works
Medicare's Facility Affiliation Data lists Ya-Yu Lee at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Lehigh Valley HospitalAllentown, PA · Acute Care Hospital · CCN 390133
- Lehigh Valley Hospital - PoconoEast Stroudsburg, PA · Acute Care Hospital · CCN 390201
- Schuylkill Medical Center - South Jackson StreetPottsville, PA · Acute Care Hospital · CCN 390030
- St Luke's Warren HospitalPhillipsburg, NJ · Acute Care Hospital · CCN 310060
- St Lukes HospitalBethlehem, PA · Acute Care Hospital · CCN 390049
Practice locations
Addresses where Ya-Yu Lee is enrolled with Medicare (CMS data updated 2026-10-02).
- 1243 S Cedar Crest Blvd, 2800 Lvpg EndocrinologyAllentown, PA 18103 (610) 402‑6790
- 321 N Furnace StBirdsboro, PA 19508 (610) 582‑2250
Group practices
Medicare enrollment lists Ya-Yu Lee as a member of these groups (CMS data updated 2026-10-02).
- Lehigh Valley Physician Group2,542 clinicians in the group
- Keystone Rehabilitation Systems Inc776 clinicians in the group
Specialties
- Endocrinologyprimary
Other endocrinologists in Allentown
Clinicians with the same Medicare primary specialty in Allentown, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1235271545 |
| 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