Quick answers
- Which hospitals does Mona P. Chang work at?
- Medicare's official clinician data lists Mona P. Chang at 4 hospitals: Geisinger Medical Center, UPMC Muncy, UPMC Williamsport and WellSpan Evangelical Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mona P. Chang see patients?
- Medicare's clinician data lists 3 practice locations, including Middleburg, PA, Williamsport, PA and Cranberry Twp, PA. Call before your visit to confirm the address.
- What is Mona P. Chang's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Mona P. Chang accept Medicare assignment?
- Yes. Medicare's clinician data says Mona P. Chang 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 Mona P. Chang offer telehealth?
- Medicare's clinician data says Mona P. Chang offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mona P. Chang?
- (570) 837-5889, as listed in official Medicare / NPI Registry data.
- What is Mona P. Chang's NPI number?
- 1639159825. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mona P. Chang works
Medicare's Facility Affiliation Data lists Mona P. Chang at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Geisinger Medical CenterDanville, PA · Acute Care Hospital · CCN 390006
- UPMC MuncyMuncy, PA · Critical Access Hospital · CCN 391301
- UPMC WilliamsportWilliamsport, PA · Acute Care Hospital · CCN 390045
- WellSpan Evangelical Community HospitalLewisburg, PA · Acute Care Hospital · CCN 390013
Practice locations
Addresses where Mona P. Chang is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Dock Hill RdMiddleburg, PA 17842 (570) 837‑5889
- 1205 River AveWilliamsport, PA 17701
- 2000 Westinghouse Dr, Suite 200Cranberry Twp, PA 16066
Group practices
Medicare enrollment lists Mona P. Chang as a member of these groups (CMS data updated 2026-10-02).
- Phoenix Rehabilitation and Health Services Inc2,800 clinicians in the group
- Family Practice Center PC361 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Middleburg
Clinicians with the same Medicare primary specialty in Middleburg, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York University School Of Medicine |
| Graduation year | 1986 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1639159825 |
| 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