DR. MARK BASHA KEROLES MD
NPI 1548898554
Psychiatry & Neurology - Clinical Neurophysiology in Rancho Palos Verdes, CA

Active since March 27, 2020PECOS EnrolledAccepts Medicare Assignment
30051 GRANDPOINT LN, RANCHO PALOS VERDES, CA 90275(484) 351-8459 Get Directions Write a Review

NPPES record last updated: May 19, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 19, 2026, Mar 31, 2026, Jun 23, 2025 and 2 more (5 updates tracked since 2020).

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 Hospital For Special Surgery, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1548898554
Entity TypeIndividualMale
Primary Taxonomy2084N0600X
Provider Legal NameDR. MARK BASHA KEROLESCredential: MD
Location Address30051 GRANDPOINT LNRancho Palos Verdes, CA 90275-6425
Mailing Address2915 W Bitters Rd Ste 201San Antonio, TX 78248-2007
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateMarch 27, 2020
Last NPPES UpdateMay 19, 20265 updates tracked since enumeration
NPPES CertifiedMay 19, 2026
NPI 1548898554 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · Clinical NeurophysiologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0600X
Licenses Licensed in CA · A187307 Licensed in OK · 46213
Definition
Clinical Neurophysiology is a subspecialty with psychiatric or neurologic expertise in the diagnosis and management of central, peripheral, and autonomic nervous system disorders using combined clinical evaluation and electrophysiologic testing such as electroencephalography (EEG), electromyography (EMG), and nerve conduction studies (NCS).
30051 GRANDPOINT LN, Rancho Palos Verdes, CA 90275

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID1254844541
PECOS Enrollment IDI20250630003814
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Hospital For Special Surgery

Acute Care Hospitals · New York, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330270
Location535 East 70th StreetNew York, NY 10021 · New York County
Emergency services

Chester County Hospital

Acute Care Hospitals · West Chester, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390179
Location701 East Marshall StreetWest Chester, PA 19380 · Chester County
Emergency services Birthing friendly

Frequently 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.

Is Mark Keroles affiliated with any hospitals?

According to CMS data, Mark Keroles is affiliated with Hospital For Special Surgery and Chester County Hospital.

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 3 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.