Quick answers
- Which hospitals does Grant Knoll work at?
- Medicare's official clinician data lists Grant Knoll at 1 hospital: Main Line Hospital Lankenau. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Grant Knoll see patients?
- Medicare's clinician data lists 2 practice locations, including Wynewood, PA and Bryn Mawr, PA. Call before your visit to confirm the address.
- What is Grant Knoll's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Grant Knoll accept Medicare assignment?
- Yes. Medicare's clinician data says Grant Knoll 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 Grant Knoll?
- (484) 476-6421, as listed in official Medicare / NPI Registry data.
- What is Grant Knoll's NPI number?
- 1447980958. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Grant Knoll works
Medicare's Facility Affiliation Data lists Grant Knoll at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Main Line Hospital LankenauWynnewood, PA · Acute Care Hospital · CCN 390195
Practice locations
Addresses where Grant Knoll is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 E Lancaster AveWynewood, PA 19096 (484) 476‑6421
- 130 S Bryn Mawr AveBryn Mawr, PA 19010 (484) 337‑3000
Group practices
Medicare enrollment lists Grant Knoll as a member of this group (CMS data updated 2026-10-02).
- Main Line Healthcare1,184 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Wynewood
Clinicians with the same Medicare primary specialty in Wynewood, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Temple University School Of Medicine |
| Graduation year | 2022 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1447980958 |
| 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