Mark Basha Keroles, MD
Clinical Neurophysiology Physician · Rancho Palos Verdes, CA
Mark Basha Keroles, MD is a clinical neurophysiology physician with a practice address in Rancho Palos Verdes, California, and NPI 1548898554, issued on Mar 27, 2020. Check the license (California A187307, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark Basha Keroles
- Credential
- MD
- Primary taxonomy
- Clinical Neurophysiology Physician 2084N0600X
- License numbers
- A187307 CA
46213 OK
Self-reported in NPPES; status is on the state search - Practice location
- 30051 Grandpoint LN, Rancho Palos Verdes, CA 90275
- Phone
- (484) 351-8459
- Enumerated
- Mar 27, 2020
- Record last updated
- May 19, 2026
- Medicare enrollment
- Enrolled (PECOS I20250630003814); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical neurophysiology physician records → All 71 in California → Look up another NPI →
Verify Mark Basha Keroles in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A187307Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 5 group practices
- American Intraoperative Monitoring LLCRancho Palos Verdes, CA
- Bruin Neurophysiology PCAlameda, CA
- Sensory Testing Systems LLCRancho Palos Verdes, CA
- Wildcat Neurophysiology, PCRancho Palos Verdes, CA
- Yankee Neurophysiology PCRancho Palos Verdes, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Basha Keroles among 71 clinical neurophysiology physician records in California
Mark Basha Keroles, MD is one of 71 clinical neurophysiology physician records with a practice address in California. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 90% of them.
- NPI issued2020 · 90% of these records are older, 3% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2020 · median 2007 among the 49 with a school on file
- Record last updated2026 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0600X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Neurophysiology Physician providers in California
There are 71 clinical neurophysiology physician records in California.
All 71 in California → Every provider in Rancho Palos Verdes → Clinical Neurophysiology Physician nationwide →
The 8 clinical neurophysiology physician records with the nearest ZIP codes
- Anna Chen, MDMarina Del Rey, CA 902921972967982
- Daniel Vitantonio, MDMarina Del Rey, CA 902921083024145
- Jason Gandhi, MD, MSDowney, CA 902411497334965
- David Campion, MDBeverly Hills, CA 902101114904638
- Parastou Shilian, D.O.Santa Monica, CA 904031376785642
- William Buxton, MDSanta Monica, CA 904041669495149
- Pardis Pooshpas, M.D.Torrance, CA 905021538796032
- Said Beydoun, M.D.Los Angeles, CA 900331700827482
Common questions
What is Mark Basha Keroles, MD's NPI number?
Mark Basha Keroles, MD's National Provider Identifier (NPI) is 1548898554, issued on Mar 27, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Mark Basha Keroles, MD located?
The NPPES record lists a practice address at 30051 Grandpoint LN, Rancho Palos Verdes, CA, 90275. Phone: (484) 351-8459. Providers update this record themselves, so call before visiting.
How can I verify Mark Basha Keroles, MD's license?
NPPES lists California license number A187307, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.