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Edit this profileAt a glance
- 26800 Crown Valley Pkwy Ste 385, Mission Viejo, CA 92691
About Dr. Dorriz
Parshaw J. Dorriz, MD practices neurology in Mission Viejo, CA. Medicare claims data shows Parshaw provided 992 services to 766 patients. The services billed most often include measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and measurement of brain wave activity (eeg), 2-12 hours with health care professional review and report. The provider's National Provider Identifier (NPI) is 1972940625.
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
- (949) 542-8002
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
26800 CROWN VALLEY PKWY STE 385
Mission Viejo, CA 92691
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
992 services · 766 patients · 20 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional | Treatment | 95720 |
187 | More than most peers in Neurology |
| Measurement of brain wave activity (eeg), 2-12 hours with health care professional review and report | Treatment | 95717 |
106 | More than most peers in Neurology |
| Measurement of brain wave activity (eeg), awake and drowsy | Treatment | 95816 |
48 | More often than most peers in Neurology |
| Measurement of brain wave activity (eeg), awake and asleep | Treatment | 95819 |
44 | More often than most peers in Neurology |
| Measurement of brain wave activity (eeg), awake and drowsy | Treatment | 95816 |
39 | More often than most peers in Neurology |
| Measurement of brain wave activity (eeg), 61-119 minutes | Treatment | 95813 |
21 | As often as other peers in Neurology |
| Measurement of brain wave activity with video (veeg), 2-12 hours with review and report by health care professional | Treatment | 95718 |
20 | As often as other peers in Neurology |
| Measurement of brain wave activity (eeg), 12-26 hours with health care professional review and report | Treatment | 95719 |
16 | As often as other peers in Neurology |
| Measurement of brain wave activity with video (veeg), 37-60 hours with review and report by health care professional | Treatment | 95722 |
14 | Too few peers to compare |
| Measurement of brain wave activity (eeg), 41-60 minutes | Treatment | 95812 |
12 | Less often than most 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 Mission Viejo 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2012 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Measurement of brain wave activity with video (veeg), 12-26 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 Dr. Dorriz's specialty?
Dr. Dorriz is a neurologist in Mission Viejo, 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 Dr. Dorriz?
Dr. Dorriz is listed at 26800 Crown Valley Pkwy Ste 385, Mission Viejo, CA 92691. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Dorriz?
The number on file is (949) 542-8002. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Dorriz?
Dr. Dorriz's National Provider Identifier is 1972940625. 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 Dr. Dorriz's medical education?
Dr. Dorriz attended Other, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Dorriz have?
Dr. Dorriz has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Dorriz known for?
According to Medicare billing data, Dr. Dorriz provides treatments such as measurement of brain wave activity with video , 12-26 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
Is Dr. Dorriz's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Dorriz. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.