Adam Tran, PHYSICIAN ASSISTANT
NPI 1700591484ActiveIndividual· Physician Assistant· Mission Viejo, CA
Physician Assistant (PHYSICIAN ASSISTANT) with Pacific Neuropsychiatric Specialists Inc, practicing in Mission Viejo, California. Their prescriptions cost Medicare Part D more than their services did: $65,082 for 535 claims, against $5,994 paid for services in 2024. Janssen Pharmaceuticals, Inc was the largest of 18 companies reporting payments in 2025, $4,738 in all, mostly food and beverage.
Overview
| NPI | 1700591484 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PHYSICIAN ASSISTANT |
| Sole proprietor | No |
| NPI issued | Jan 18, 2023 |
| Last updated in NPPES | Dec 18, 2025 |
| Certified by provider | Dec 18, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA64391 | CA |
| Clinical Nurse Specialist, Psych/Mental Health | 364SP0808X | PA64391 | CA |
| Physician Assistant | 363A00000X | PSY36152 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 24 |
|---|---|
| Services billed | 74 across 5 procedure codes |
| Paid by Medicare | $5,994 |
Part D prescriptions in 2024
| Prescriptions (claims) | 535 · 667 30-day fills |
|---|---|
| Patients | 63 |
| Total drug cost | $65,082 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Pacific Neuropsychiatric Specialists IncCorona, CA · 72 clinicians
Industry payments (Open Payments)
- 2025$4,738 · 174 payments from 18 companies
- 2024$2,655 · 105 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Pharmaceuticals, Inc | $931.68 | 26 |
| Abbvie Inc. | $551.09 | 25 |
| Vanda Pharmaceuticals Inc. | $533.24 | 17 |
| Neurocrine Biosciences, Inc. | $510.63 | 14 |
| Otsuka America Pharmaceutical, Inc. | $436.50 | 13 |
What the 2025 payments were for
- Food and Beverage$4,727 · 172 payments
- Education$10.90 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 53 physician assistants in Mission Viejo · All physician assistants in California