Quick answers
- Which hospitals does Lawrence B. Holzman work at?
- Medicare's official clinician data lists Lawrence B. Holzman at 1 hospital: Hospital of University of Pennsylvania. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Lawrence B. Holzman see patients?
- Medicare's clinician data lists 1 practice location in Philadelphia, PA. Call before your visit to confirm the address.
- What is Lawrence B. Holzman's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Lawrence B. Holzman accept Medicare assignment?
- Yes. Medicare's clinician data says Lawrence B. Holzman 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 Lawrence B. Holzman offer telehealth?
- Medicare's clinician data says Lawrence B. Holzman offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Lawrence B. Holzman?
- (215) 387-0500, as listed in official Medicare / NPI Registry data.
- What is Lawrence B. Holzman's NPI number?
- 1720160625. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Lawrence B. Holzman works
Medicare's Facility Affiliation Data lists Lawrence B. Holzman 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
Practice locations
Addresses where Lawrence B. Holzman is enrolled with Medicare (CMS data updated 2026-10-02).
- 4126 Walnut St, Uphs Walnut Street Dialysis ClinicPhiladelphia, PA 19104 (215) 387‑0500
Group practices
Medicare enrollment lists Lawrence B. Holzman as a member of this group (CMS data updated 2026-10-02).
- University of Penn - Medical Group3,505 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Philadelphia
Clinicians with the same Medicare primary specialty in Philadelphia, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rutgers New Jersey Medical School |
| Graduation year | 1984 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1720160625 |
| 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