DR. MARK BASHA KEROLES MD
NPI 1548898554
Psychiatry & Neurology - Clinical Neurophysiology in Rancho Palos Verdes, CA
About Dr. Mark Basha Keroles Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK BASHA KEROLES MD (NPI 1548898554) is an individual clinical neurophysiology provider in Rancho Palos Verdes, California, licensed in California (A187307) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with Cooper University Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Mark Basha Keroles Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
6Medicare enrollment records show Mark Keroles reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Scottsdale, AZ 85258
- Reassigned Medicare billing, California enrollment
- 2 clinicians in this Medicare group
Oklahoma City, OK 73114
- Reassigned Medicare billing, California enrollment
- 2 clinicians in this Medicare group
San Antonio, TX 78248
- Reassigned Medicare billing, California enrollment
- 3 clinicians in this Medicare group
Conshohocken, PA 19428
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Bruin Neurophysiology PC
- 3 clinicians in this Medicare group
Conshohocken, PA 19428
- Reassigned Medicare billing, California enrollment
- 2 clinicians in this Medicare group
Conshohocken, PA 19428
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Yankee Neurophysiology PC
- 2 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cooper University Hospital
Acute Care Hospitals · Camden, NJHospital For Special Surgery
Acute Care Hospitals · New York, NYFrequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mark Keroles's NPI number?
The NPI number for Mark Keroles is 1548898554. It was assigned to this individual provider in the NPPES registry on March 27, 2020.
Where is Mark Keroles located?
Mark Keroles practices at 30051 Grandpoint Ln, Rancho Palos Verdes, CA 90275. The listed phone number is (484) 351-8459.
What is Mark Keroles's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Clinical Neurophysiology, with taxonomy code 2084N0600X.
Is Mark Keroles enrolled in Medicare?
Yes. Mark Keroles is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Mark Keroles's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Keroles reassigns Medicare benefits to 6 organizations: Sensory Testing Systems, LLC (Scottsdale, AZ), American Intraoperative Monitoring LLC (Oklahoma City, OK), Mpower Clinical Tx (San Antonio, TX), Bruin Neurophysiology, P.C. (Conshohocken, PA), Wildcat Neurophysiology, PC (Conshohocken, PA) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Keroles's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Keroles accept?
Health plans from Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) list Mark Keroles as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Mark Keroles affiliated with any hospitals?
According to CMS data, Mark Keroles is affiliated with Cooper University Hospital and Hospital For Special Surgery.
When was this NPI record last updated?
The NPPES record for Mark Keroles was last updated on May 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Mark Basha Keroles, MD · NPI 1548898554
Clinical Neurophysiology physician in Rancho Palos Verdes, California. Individual provider, active in the CMS NPPES registry since March 27, 2020.
## Identity
- **NPI:** 1548898554 (Entity type: Individual)
- **Enumerated:** March 27, 2020
- **Primary specialty:** Psychiatry & Neurology - Clinical Neurophysiology · taxonomy 2084N0600X
- **State license:** A187307 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 30051 GRANDPOINT LN, Rancho Palos Verdes, CA 90275-6425
- **Phone:** (484) 351-8459
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Sensory Testing Systems, LLC (NPI 1750487096, Scottsdale, AZ); American Intraoperative Monitoring LLC (NPI 1972551893, Oklahoma City, OK); Mpower Clinical Tx (NPI 1134737216, San Antonio, TX); Bruin Neurophysiology, P.C. (NPI 1710364112, Conshohocken, PA); Wildcat Neurophysiology, PC (NPI 1073026993, Conshohocken, PA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** May 19, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1548898554) · Data from the CMS NPPES public registry.