Parshaw Jonathan Dorriz, MD
Psychiatry & Neurology, Neurology (MD) with Providence Medical Foundation, practicing in Mission Viejo, California. Their prescriptions cost Medicare Part D more than their services did: $327,721 for 1,051 claims, against $148,360 paid for services in 2024. Ceribell, Inc. was the largest of 23 companies reporting payments in 2025, $530,101 in all, mostly consulting fees. Lists Providence Mission Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1972940625 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 3, 2013 |
| Last updated in NPPES | Oct 21, 2021 |
| Certified by provider | Oct 21, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | A137931 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 475 |
|---|---|
| Services billed | 1,026 across 29 procedure codes |
| Paid by Medicare | $148,360 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,051 · 1,983 30-day fills |
|---|---|
| Patients | 171 |
| Total drug cost | $327,721 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
Hospital affiliations
- Providence Mission HospitalMission Viejo, CA
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
- 2025$530,101 · 107 payments from 23 companies
- 2024$371,779 · 133 payments from 27 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ceribell, Inc. | $528,576 | 32 |
| Abbvie Inc. | $534.78 | 34 |
| Biogen, Inc. | $153.19 | 9 |
| Acadia Pharmaceuticals Inc | $102.50 | 3 |
| Sk Life Science, Inc. | $76.45 | 3 |
What the 2025 payments were for
- Consulting Fee$524,210 · 11 payments
- Travel and Lodging$3,291 · 7 payments
- Food and Beverage$2,544 · 88 payments
- Education$54.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Psychiatry & Neurology, Neurology providers in Mission Viejo
- 1225279532
- 1629291554
- 1467408393
- 1639368541
- 1255520169
- 1538151493
- 1881619807
- 1265531396
- 1467663963
- 1881629350
- 1134166010
- 1992733257
All Psychiatry & Neurology, Neurology providers in California →