Quick answers
- Which hospitals does Timothy Chao work at?
- Medicare's official clinician data lists Timothy Chao at 3 hospitals: Hospital of Univ of Pennsylvania, Penn Presbyterian Medical Center and Pennsylvania Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Timothy Chao see patients?
- Medicare's clinician data lists 8 practice locations, including Philadelphia, PA and Doylestown, PA. Call before your visit to confirm the address.
- What is Timothy Chao's specialty?
- Medicare lists Pathology as the primary specialty.
- Does Timothy Chao accept Medicare assignment?
- Yes. Medicare's clinician data says Timothy Chao 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 Timothy Chao?
- (215) 829-6079, as listed in official Medicare / NPI Registry data.
- What is Timothy Chao's NPI number?
- 1396308326. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Timothy Chao works
Medicare's Facility Affiliation Data lists Timothy Chao at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hospital of Univ of PennsylvaniaPhiladelphia, PA · Acute Care Hospital · CCN 390111
- Penn Presbyterian Medical CenterPhiladelphia, PA · Acute Care Hospital · CCN 390223
- Pennsylvania HospitalPhiladelphia, PA · Acute Care Hospital · CCN 390226
Practice locations
Addresses where Timothy Chao is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 3400 Spruce StPhiladelphia, PA 19104
- 3400 Spruce Street 5 White Bldg, Oral and Maxillofacial Surgery HupPhiladelphia, PA 19104 (215) 829‑6079
- 51 N 39th StPhiladelphia, PA 19104
- 51 N 39th Street, Gi Surgery PpmcPhiladelphia, PA 19104 (215) 662‑9198
- 599 W State StDoylestown, PA 18901 (215) 345‑2100
Group practices
Medicare enrollment lists Timothy Chao as a member of this group (CMS data updated 2026-10-02).
- University of Penn - Medical Group3,505 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Philadelphia
Clinicians with the same Medicare primary specialty in Philadelphia, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Perelman School Of Med At The University Of Pennsylvania |
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1396308326 |
| 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