Quick answers
- Which hospitals does Thomas M. O Connor work at?
- Medicare's official clinician data lists Thomas M. O Connor at 1 hospital: Lancaster General Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Thomas M. O Connor see patients?
- Medicare's clinician data lists 15 practice locations, including Ephrata, PA and Lancaster, PA. Call before your visit to confirm the address.
- What is Thomas M. O Connor's specialty?
- Medicare lists Vascular Surgery as the primary specialty, and also General Surgery and Thoracic Surgery.
- Does Thomas M. O Connor accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas M. O Connor 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 Thomas M. O Connor offer telehealth?
- Medicare's clinician data says Thomas M. O Connor offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Thomas M. O Connor?
- (717) 544-3216, as listed in official Medicare / NPI Registry data.
- What is Thomas M. O Connor's NPI number?
- 1144213992. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Thomas M. O Connor works
Medicare's Facility Affiliation Data lists Thomas M. O Connor at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Lancaster General HospitalLancaster, PA · Acute Care Hospital · CCN 390100
Practice locations
Addresses where Thomas M. O Connor is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 15; the Medicare profile lists all.
- 1261 Division HwyEphrata, PA 17522
- 1261 Division Hwy 2Ephrata, PA 17522
- 2100 Harrisburg Pike, Suite 2112Lancaster, PA 17601 (717) 544‑3216
- 2102 Harrisburg PikeLancaster, PA 17601
- 2102 Harrisburg Pike, Plastic and Cosmetic SurgeryLancaster, PA 17601 (717) 291‑5863
Group practices
Medicare enrollment lists Thomas M. O Connor as a member of this group (CMS data updated 2026-10-02).
- Lancaster General Medical Group586 clinicians in the group
Specialties
- Vascular Surgeryprimary
- General Surgeryalso
- Thoracic Surgeryalso
Other vascular surgeons in Ephrata
Clinicians with the same Medicare primary specialty in Ephrata, PA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | New York College Of Osteo Medicine Of New York Institute Of Technology |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1144213992 |
| 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