Quick answers
- Which hospitals does Mortimer J. Strong work at?
- Medicare's official clinician data lists Mortimer J. Strong at 2 hospitals: Hospital of Univ of Pennsylvania and Pennsylvania Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mortimer J. Strong see patients?
- Medicare's clinician data lists 1 practice location in Philadelphia, PA. Call before your visit to confirm the address.
- What is Mortimer J. Strong's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Mortimer J. Strong accept Medicare assignment?
- Yes. Medicare's clinician data says Mortimer J. Strong 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 Mortimer J. Strong offer telehealth?
- Medicare's clinician data says Mortimer J. Strong offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mortimer J. Strong?
- (215) 440-8681, as listed in official Medicare / NPI Registry data.
- What is Mortimer J. Strong's NPI number?
- 1043292816. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mortimer J. Strong works
Medicare's Facility Affiliation Data lists Mortimer J. Strong at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hospital of Univ of PennsylvaniaPhiladelphia, PA · Acute Care Hospital · CCN 390111
- Pennsylvania HospitalPhiladelphia, PA · Acute Care Hospital · CCN 390226
Practice locations
Addresses where Mortimer J. Strong is enrolled with Medicare (CMS data updated 2026-10-02).
- 805 Locust StPhiladelphia, PA 19107 (215) 440‑8681
Group practices
Medicare enrollment lists Mortimer J. Strong as a member of this group (CMS data updated 2026-10-02).
- Ninth Street Internal Medicine Associates Ltd14 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 | DO |
|---|---|
| Medical school | Philadelphia College Of Osteopathic Medicine |
| Graduation year | 1979 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1043292816 |
| 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