Quick answers
- Which hospitals does Lisa L. Hamaker Dumin work at?
- Medicare's official clinician data lists Lisa L. Hamaker Dumin at 5 hospitals: Hospital of University of Pennsylvania, Jefferson Einstein Montgomery Hospital, Milton S Hershey Medical Center, Paoli Hospital and Penn State Health Holy Spirit Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Lisa L. Hamaker Dumin see patients?
- Medicare's clinician data lists 3 practice locations, including Collegeville, PA, King Of Prussia, PA and Camp Hill, PA. Call before your visit to confirm the address.
- What is Lisa L. Hamaker Dumin's specialty?
- Medicare lists Endocrinology as the primary specialty, and also Internal Medicine.
- Does Lisa L. Hamaker Dumin accept Medicare assignment?
- Yes. Medicare's clinician data says Lisa L. Hamaker Dumin 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 Lisa L. Hamaker Dumin offer telehealth?
- Medicare's clinician data says Lisa L. Hamaker Dumin offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Lisa L. Hamaker Dumin?
- (484) 622-6400, as listed in official Medicare / NPI Registry data.
- What is Lisa L. Hamaker Dumin's NPI number?
- 1003024811. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Lisa L. Hamaker Dumin works
Medicare's Facility Affiliation Data lists Lisa L. Hamaker Dumin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hospital of University of PennsylvaniaPhiladelphia, PA · Acute Care Hospital · CCN 390111
- Jefferson Einstein Montgomery HospitalEast Norriton, PA · Acute Care Hospital · CCN 390329
- Milton S Hershey Medical CenterHershey, PA · Acute Care Hospital · CCN 390256
- Paoli HospitalPaoli, PA · Acute Care Hospital · CCN 390153
- Penn State Health Holy Spirit Medical CenterCamp Hill, PA · Acute Care Hospital · CCN 390004
Practice locations
Addresses where Lisa L. Hamaker Dumin is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Market St, Suite 300Collegeville, PA 19426 (484) 622‑6400
- 210 Mall Blvd, Suite 101King Of Prussia, PA 19406 (610) 233‑3699
- 890 Poplar Church RdCamp Hill, PA 17011 (717) 972‑7120
Group practices
Medicare enrollment lists Lisa L. Hamaker Dumin as a member of these groups (CMS data updated 2026-10-02).
- Penn State Health Medical Group LLC734 clinicians in the group
- Fornance Physician Services Inc100 clinicians in the group
Specialties
- Endocrinologyprimary
- Internal Medicinealso
Other endocrinologists in Pennsylvania
Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Pennsylvania State University College Of Medicine |
| Graduation year | 2002 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1003024811 |
| 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