Gemma Deguzman Espejo, M.D.
NPI 1164837035ActiveIndividual· Psychiatry & Neurology, Psychiatry· Orange, CA
Psychiatry & Neurology, Psychiatry (M.D.) in Orange, California, trained at University of Texas Medical School at San Antonio (class of 2014). 114 Medicare patients in 2024, $56,506 paid; nearly all of their 123 Part D prescriptions were generic (98%). Neurocrine Biosciences, Inc. was the largest of 2 companies reporting payments in 2025, $1,834 in all, mostly travel and lodging.
Overview
| NPI | 1164837035 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 30, 2014 |
| Last updated in NPPES | Feb 7, 2023 |
| Certified by provider | Feb 7, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | A180296 | CA |
| Psychiatry & Neurology, Psychiatry | 2084P0800X | 2014018192 | MO |
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 - Psychiatry (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 114 |
|---|---|
| Services billed | 617 across 17 procedure codes |
| Paid by Medicare | $56,506 |
Part D prescriptions in 2024
| Prescriptions (claims) | 123 · 185 30-day fills |
|---|---|
| Patients | 25 |
| Total drug cost | $3,119 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at San Antonio |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Medical group
- The Department of PsychiatryOrange, CA · 29 clinicians
Hospital affiliation
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
- 2025$1,834 · 13 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Neurocrine Biosciences, Inc. | $1,796 | 12 |
| Axsome Therapeutics, Inc. | $38.73 | 1 |
What the 2025 payments were for
- Travel and Lodging$1,351 · 4 payments
- Food and Beverage$483.73 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 137 psychiatrists in Orange · All psychiatrists in California