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Edit this profileAt a glance
- 4445 Magnolia Ave, Riverside, CA 92501
About Dr. Girgis
Based in Riverside, CA, Mark M. Girgis, D.O. is listed in the NPI registry under neurology. Mark graduated from Kansas City University of Physicians and Surgeons in 2016. According to Medicare claims data, Mark cared for 571 Medicare patients across 613 services. The services billed most often include initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes. NPI 1679921316 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (951) 338-4910
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
4445 MAGNOLIA AVE
Riverside, CA 92501
Conditions Commonly Evaluated or Treated
Within Neurology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Brain & memory
Specialized neurologic care
Spine, brain injury, and functional
Most searched conditions
Headache and facial pain
Memory and cognition
Movement disorders
Neuromuscular and peripheral nerve
- Amyotrophic lateral sclerosis
- Carpal tunnel
- Diabetic neuropathy
- Guillain-Barré syndrome
- Muscular dystrophy
- Myasthenia gravis
Seizures and epilepsy
Stroke and vascular
Brain & Spine
Brain tumors
Head & Facial Pain
Memory & Cognitive
Movement Disorders
Nerve Compression
Sleep & Movement
Spine and nerve
Procedures & services
Consultation and testing
- Comprehensive neurologic examination
- Inpatient video EEG monitoring
- Ambulatory EEG
- Evoked-potential testing
- Nerve-conduction studies
Device and advanced subspecialty
Diagnostic Testing
- Cognitive and memory screening
- Genetic Testing for Neurological Disorders
- Neuromuscular Ultrasound
- Neuropsychological Testing
- Normal Pressure Hydrocephalus Tap Test
- Tilt Table Test
Geriatric care
Office procedures
- Botulinum toxin injections for chronic migraine
- Botulinum toxin injections for dystonia or spasticity
- Lumbar puncture
- Occipital nerve block
Pain & wellness
Treatment management
- Epilepsy medication management
- Migraine preventive treatment
- Multiple sclerosis disease-modifying treatment
Most searched procedures
Consultations & Exams
Consultations and exams
Device management
Infusion and medical therapies
Infusions & Therapies
- IVIG Infusion Therapy
- Migraine Preventive Injections and Infusions
- MS Disease-Modifying Infusion Therapy
- Plasmapheresis
Injections & Pain Relief
- Botox Injections for Excessive Drooling
- Botox Injections for Muscle Spasms and Dystonia
- Trigger Point Injections
Medication Management
Neuromodulation
Trauma & Injury
Procedures Most Often Billed to Medicare
613 services · 571 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Measurement of brain wave activity with video (veeg), 2-12 hours with review and report by health care professional | Treatment | 95718 |
62 | More often than most peers in Neurology |
| Measurement of brain wave activity (eeg), 2-12 hours with health care professional review and report | Treatment | 95717 |
15 | Less often than most peers in Neurology |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
261 | More than most peers in Neurology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
174 | More often than most peers in Neurology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
82 | More often than most peers in Neurology |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
19 | As often as other peers in Neurology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other neurologists in Riverside 8
Same specialty, same city.
Trained at Kansas City University of Physicians and Surgeons 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 2016 at Kansas City University of Physicians and Surgeons 7
Providers who graduated from the same medical school in the same year.
Also performs Measurement of brain wave activity with video (veeg), 2-12 hours with review and report by health care professional 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Mark M. Girgis's specialty?
Mark M. Girgis is a neurologist in Riverside, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurology”.
NPI registry
Where can I find Mark M. Girgis?
Mark M. Girgis is listed at 4445 Magnolia Ave, Riverside, CA 92501. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Mark M. Girgis?
The number on file is (951) 338-4910. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mark M. Girgis's NPI number?
Mark M. Girgis's National Provider Identifier is 1679921316. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Mark M. Girgis's education?
Mark M. Girgis attended Kansas City University of Physicians and Surgeons, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
How long has Mark M. Girgis been practicing?
Mark M. Girgis has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
What is Mark M. Girgis known for?
According to Medicare billing data, Mark M. Girgis provides treatments such as measurement of brain wave activity with video , 2-12 hours with review and report by health care professional and measurement of brain wave activity , 2-12 hours with health care professional review and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Mark M. Girgis confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mark M. Girgis. If this is you, claiming it is free.
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