Doctor profile · Federal record
Dr. Parshaw Dorriz, MD
Neurology Physician (CMS: Neurology) · Mission Viejo, CA
- NPI 1972940625
- Accepts Medicare
- 14 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
26800 Crown Valley Pkwy Ste 385
Mission Viejo, CA 926917320
(949) 542-8002
fax (949) 542-7337
Credentials & registration
- NPI registered
- June 2013 — 13 yrs on file
- Profile last updated
- October 21, 2021
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 2084N0400X — NUCC code
- State license (1)
- California #A137931
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1972940625. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,010
Distinct HCPCS
10
Medicare allowed
$186,439
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
95720 |
Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional | 163 | 77 | $215 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 122 | 75 | $125 | |
99291 |
Critical care, first 30-74 minutes | 118 | 62 | $222 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 99 | 70 | $139 | |
95717 |
Measurement of brain wave activity (eeg), 2-12 hours with health care professional review and report | 83 | 77 | $105 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 63 | 50 | $99 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 47 | 47 | $183 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 43 | 36 | $194 | |
95816 |
Measurement of brain wave activity (eeg), awake and drowsy | 37 | 37 | $435 | |
95813 |
Measurement of brain wave activity (eeg), 61-119 minutes | 32 | 32 | $90 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 273. This provider delivers 3.7× the peer median.Open Payments
Industry payments received
All-time total
$371,779
Transactions
120
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Ceribell, Inc. | 27 | $369,582.91 | |
| ABBVIE INC. | 37 | $593.88 | |
| ACADIA Pharmaceuticals Inc | 12 | $328.66 | |
| Teva Pharmaceuticals USA, Inc. | 11 | $190.17 | |
| UCB, Inc. | 6 | $155.51 | |
| Alexion Pharmaceuticals, Inc. | 4 | $123.04 | |
| Biogen, Inc. | 5 | $90.92 | |
| ARGENX US, INC. | 3 | $73.03 | |
| NEUROPACE, INC. | 3 | $58.90 | |
| Lilly USA, LLC | 3 | $50.09 | |
| Abbott Laboratories | 2 | $49.29 | |
| Averitas Pharma Inc. | 2 | $45.57 | |
| LivaNova USA, Inc. | 2 | $43.18 | |
| Amneal Pharmaceuticals LLC | 2 | $42.49 | |
| GE HEALTHCARE | 1 | $36.57 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
748
Patients
149
Total drug cost
$149,116
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levetiracetam | Generic | 196 | 51 | $10,293 |
| Lamotrigine | Generic | 117 | 20 | $3,414 |
| Donepezil Hcl | Generic | 96 | 25 | $1,938 |
| Memantine Hcl | Generic | 70 | 18 | $4,287 |
| Lacosamide | Generic | 40 | 11 | $10,316 |
| Divalproex Sodium | Generic | 38 | 0 | $3,856 |
| Gabapentin | Generic | 37 | 13 | $847 |
| Escitalopram Oxalate | Generic | 34 | 0 | $1,210 |
| Carbidopa-Levodopa (Carbidopa/Levodopa) | Brand | 30 | 11 | $811 |
| Oxcarbazepine | Generic | 16 | 0 | $1,683 |
Hospital affiliations
Frequently asked questions
What is Dr. Parshaw Dorriz's medical specialty?
Dr. Parshaw Dorriz practices Neurology Physician in Mission Viejo, CA.
Where does Dr. Parshaw Dorriz practice?
Dr. Parshaw Dorriz practices at 26800 Crown Valley Pkwy Ste 385, Mission Viejo, CA 926917320. Office phone: 9495428002.
What is Dr. Parshaw Dorriz's NPI?
Dr. Parshaw Dorriz's National Provider Identifier (NPI) is 1972940625, issued by NPPES.
Does Dr. Parshaw Dorriz accept Medicare assignment?
Yes. Dr. Parshaw Dorriz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Parshaw Dorriz commonly perform?
Top Medicare-reported procedures in 2023: Measurement of brain wave activity with video (veeg) (HCPCS 95720); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.