Riyan Buller, FNP
NPI 1033814017ActiveIndividual· Nurse Practitioner, Family· San Diego, CA
Nurse Practitioner, Family (FNP) with Monica Perlman MD Inc, practicing in San Diego, California. Their prescriptions cost Medicare Part D more than their services did: $73,436 for 660 claims, against $11,344 paid for services in 2024. Abbvie Inc. was the largest of 9 companies reporting payments in 2025, $897.31 in all, mostly food and beverage.
Overview
| NPI | 1033814017 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | Yes |
| NPI issued | Mar 31, 2023 |
| Last updated in NPPES | Sep 2, 2024 |
| Certified by provider | Sep 2, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 95024624 | 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 - Nurse Practitioner (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 51 |
|---|---|
| Services billed | 157 across 29 procedure codes |
| Paid by Medicare | $11,344 |
Part D prescriptions in 2024
| Prescriptions (claims) | 660 · 1,182 30-day fills |
|---|---|
| Patients | 143 |
| Total drug cost | $73,436 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Monica Perlman MD IncSan Diego, CA · 364 clinicians
Industry payments (Open Payments)
- 2025$897.31 · 39 payments from 9 companies
- 2024$728.35 · 28 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $367.84 | 21 |
| Neurocrine Biosciences, Inc. | $199.23 | 9 |
| Biogen, Inc. | $186.68 | 3 |
| Exact Sciences Corporation | $31.90 | 1 |
| Sk Life Science, Inc. | $30.31 | 1 |
What the 2025 payments were for
- Food and Beverage$897.31 · 39 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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