Quick answers
- Which hospitals does Gregg L. Neithardt work at?
- Medicare's official clinician data lists Gregg L. Neithardt at 5 hospitals: Chester County Hospital, Hospital of University of Pennsylvania, Lancaster General Hospital, Paoli Hospital and WellSpan Ephrata Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregg L. Neithardt see patients?
- Medicare's clinician data lists 3 practice locations, including Philadelphia, PA, Kennett Square, PA and West Chester, PA. Call before your visit to confirm the address.
- What is Gregg L. Neithardt's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
- Does Gregg L. Neithardt accept Medicare assignment?
- Yes. Medicare's clinician data says Gregg L. Neithardt 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 Gregg L. Neithardt offer telehealth?
- Medicare's clinician data says Gregg L. Neithardt offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Gregg L. Neithardt?
- (215) 463-5333, as listed in official Medicare / NPI Registry data.
- What is Gregg L. Neithardt's NPI number?
- 1164582052. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregg L. Neithardt works
Medicare's Facility Affiliation Data lists Gregg L. Neithardt at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Chester County HospitalWest Chester, PA · Acute Care Hospital · CCN 390179
- Hospital of University of PennsylvaniaPhiladelphia, PA · Acute Care Hospital · CCN 390111
- Lancaster General HospitalLancaster, PA · Acute Care Hospital · CCN 390100
- Paoli HospitalPaoli, PA · Acute Care Hospital · CCN 390153
- WellSpan Ephrata Community HospitalEphrata, PA · Acute Care Hospital · CCN 390225
Practice locations
Addresses where Gregg L. Neithardt is enrolled with Medicare (CMS data updated 2026-10-02).
- 1703 S Broad St, Suite 300Philadelphia, PA 19148 (215) 463‑5333
- 404 McFarlan Rd, Suite 102Kennett Square, PA 19348 (610) 696‑2850
- 915 Old Fern Hill Rd, Suite 5West Chester, PA 19380 (610) 696‑2850
Group practices
Medicare enrollment lists Gregg L. Neithardt as a member of this group (CMS data updated 2026-10-02).
- Cardiology Consultants of Philadelphia PC153 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Pennsylvania →
Other cardiologists in Philadelphia
Clinicians with the same Medicare primary specialty in Philadelphia, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Georgetown University School Of Medicine |
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1164582052 |
| 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