Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Mark M Girgis, DO

Individual provider Neurology Physician · NPI 1679921316

Dr. Mark M Girgis, DO is a Neurology in Riverside, California. Graduated from Kansas City University of Physicians and Surgeons in 2016, 10 years ago. Practices with California Neurointerventional Surgeons, Inc, an 8-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
10
Trained at
Kansas City University of Physicians and Surgeons
Licensed in
MI
In the registry since
2016
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

4445 Magnolia Ave
Riverside, CA 92501-4135
Phone: (951) 338-4910
Fax: (833) 996-0004
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurology Physician (primary) Taxonomy 2084N0400X · Licence 5101022184 (MI)

Record details

NPI number1679921316
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedJune 2, 2016
Last updated in NPPESOctober 30, 2023
Certification dateOctober 30, 2023
Mailing address700 E Redlands Blvd # 714, Redlands, CA 92373-6109

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNEUROLOGY
Medical schoolKANSAS CITY UNIVERSITY OF PHYSICIANS AND SURGEONS
Graduated 2016 (10 years in practice)
Group practice California Neurointerventional Surgeons, Inc — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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