Richard Saavedra Tan
NPI 1548936602ActiveIndividual· Nurse Practitioner, Gerontology· Alhambra, CA
Nurse Practitioner, Gerontology in Alhambra, California, trained at California University of Science and Medicine (class of 2021). Their prescriptions cost Medicare Part D more than their services did: $306,243 for 2,275 claims, against $16,612 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 12 companies reporting payments in 2025, $994.41 in all, mostly food and beverage.
Overview
| NPI | 1548936602 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Aug 19, 2021 |
| Last updated in NPPES | Mar 5, 2024 |
| Certified by provider | Mar 5, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Gerontology Primary | 363LG0600X | 95018113 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 70 |
|---|---|
| Services billed | 231 across 17 procedure codes |
| Paid by Medicare | $16,612 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,275 · 4,520 30-day fills |
|---|---|
| Patients | 256 |
| Total drug cost | $306,243 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | California University of Science and Medicine |
|---|---|
| Graduation year | 2021 |
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- Ngo Phan MD IncAlhambra, CA · 4 clinicians
- Brittany Wertz, DO IncClaremont, CA · 2 clinicians
Industry payments (Open Payments)
- 2025$994.41 · 55 payments from 12 companies
- 2024$973.25 · 57 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $289.63 | 13 |
| Amgen Inc. | $279.65 | 27 |
| Novo Nordisk Inc | $140.64 | 2 |
| Dexcom, Inc. | $43.08 | 2 |
| Otsuka America Pharmaceutical, Inc. | $42.01 | 2 |
What the 2025 payments were for
- Food and Beverage$994.41 · 55 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Nurse Practitioner, Gerontology providers in Alhambra
- 1003408642
- 1700387891
All Nurse Practitioner, Gerontology providers in California →