Quick answers
- Which hospitals does Mark B. Keroles work at?
- Medicare's official clinician data lists Mark B. Keroles at 5 hospitals: Cooper University Hospital, Eisenhower Medical Center, HonorHealth Scottsdale Osborn Medical Center, Hospital for Special Surgery and Northridge Hospital Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark B. Keroles see patients?
- Medicare's clinician data lists 1 practice location in Rancho Palos Verdes, CA. Call before your visit to confirm the address.
- What is Mark B. Keroles's specialty?
- Medicare lists Neurology as the primary specialty.
- Does Mark B. Keroles accept Medicare assignment?
- Yes. Medicare's clinician data says Mark B. Keroles 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 Mark B. Keroles?
- (484) 351-8459, as listed in official Medicare / NPI Registry data.
- What is Mark B. Keroles's NPI number?
- 1548898554. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark B. Keroles works
Medicare's Facility Affiliation Data lists Mark B. Keroles at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cooper University HospitalCamden, NJ · Acute Care Hospital · CCN 310014
- Eisenhower Medical CenterRancho Mirage, CA · Acute Care Hospital · CCN 050573
- HonorHealth Scottsdale Osborn Medical CenterScottsdale, AZ · Acute Care Hospital · CCN 030038
- Hospital for Special SurgeryNew York, NY · Acute Care Hospital · CCN 330270
- Northridge Hospital Medical CenterNorthridge, CA · Acute Care Hospital · CCN 050116
Practice locations
Addresses where Mark B. Keroles is enrolled with Medicare (CMS data updated 2026-10-02).
- 30051 Grandpoint LnRancho Palos Verdes, CA 90275 (484) 351‑8459
Group practices
Medicare enrollment lists Mark B. Keroles as a member of these groups (CMS data updated 2026-10-02).
- Wildcat Neurophysiology, PC22 clinicians in the group
- American Intraoperative Monitoring LLC16 clinicians in the group
- Yankee Neurophysiology PC10 clinicians in the group
- Sensory Testing Systems LLC8 clinicians in the group
- Bruin Neurophysiology PC4 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1548898554 |
| 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