DR. MARK M GIRGIS D.O.
NPI 1679921316
Psychiatry & Neurology - Neurology in Riverside, CA

Active since June 02, 2016PECOS EnrolledAccepts Medicare Assignment
4445 MAGNOLIA AVE, RIVERSIDE, CA 92501(951) 338-4910(833) 996-0004 Get Directions Write a Review

NPPES record last updated: October 30, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Oct 30, 2023, Jun 8, 2022, Jun 18, 2020 (3 updates tracked since 2020).

About Dr. Mark M Girgis D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARK M GIRGIS D.O. (NPI 1679921316) is an individual neurology provider in Riverside, California, licensed in Michigan (5101022184) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS and is a graduate of Kansas City University Of Physicians And Surgeons (2016).

NPPES Registry Identity

NPI1679921316
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameDR. MARK M GIRGISCredential: D.O.
Location Address4445 MAGNOLIA AVERiverside, CA 92501-4135
Mailing Address700 E Redlands Blvd # 714Redlands, CA 92373-6109 · (951) 338-4910 · Fax (833) 996-0004
Fax(833) 996-0004
Sole ProprietorYes
Medical School CMSKansas City University Of Physicians And SurgeonsGraduated 2016
Enumeration DateJune 2, 2016
Last NPPES UpdateOctober 30, 20233 updates tracked since enumeration
NPPES CertifiedOctober 30, 2023
NPI 1679921316 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License Licensed in MI · 5101022184
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
4445 MAGNOLIA AVE, Riverside, CA 92501

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 M Girgis D.o. 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 ID2163715590
PECOS Enrollment IDI20200805001035
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.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
261 services249 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
174 services151 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
82 services78 patients
Measurement of brain wave activity with video (veeg), 2-12 hours with review and report by health care professional 95718
This procedure, known as a Video EEG (VEEG), records brain wave activity for 2-12 hours. It involves attaching electrodes to your scalp and monitoring brain waves while a video records your actions. This helps health professionals understand and diagnose neurological issues.
62 services59 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
19 services19 patients
Measurement of brain wave activity (eeg), 2-12 hours with health care professional review and report 95717
This procedure records your brain's electrical activity for 2-12 hours. It's known as an EEG. A healthcare professional applies sensors to your scalp. These sensors capture brain wave patterns which are reviewed and reported on to assist in diagnosing various conditions.
15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92501 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Student in an Organized Health Care Education/Training Program
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Student in an Organized Health Care Education/Training Program
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Student in an Organized Health Care Education/Training Program
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Hospitalist
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Radiology (Diagnostic Radiology)
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Student in an Organized Health Care Education/Training Program
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501
Emergency Medicine
4445 MAGNOLIA AVE
RIVERSIDE, CA 92501

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 Girgis's NPI number?

The NPI number for Mark Girgis is 1679921316. It was assigned to this individual provider in the NPPES registry on June 2, 2016.

Where is Mark Girgis located?

Mark Girgis practices at 4445 Magnolia Ave, Riverside, CA 92501. The listed phone number is (951) 338-4910.

What is Mark Girgis's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Mark Girgis enrolled in Medicare?

Yes. Mark Girgis 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.

When was this NPI record last updated?

The NPPES record for Mark Girgis was last updated on October 30, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.