Marileth Tan
NPI 1588360127ActiveIndividual· Nurse Practitioner, Family· Tehachapi, CA
Nurse Practitioner, Family with Hassan Chahine MD Inc and 2 other groups, practicing in Tehachapi, California. Their prescriptions cost Medicare Part D more than their services did: $167,242 for 2,098 claims, against $66,530 paid for services in 2024. Abiomed was the largest of 3 companies reporting payments in 2025, $60.65 in all, mostly food and beverage. Lists Adventist Health Bakersfield and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1588360127 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Feb 6, 2023 |
| Last updated in NPPES | Nov 14, 2024 |
| Certified by provider | Nov 14, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 95020289 | 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 | 359 |
|---|---|
| Services billed | 1,673 across 26 procedure codes |
| Paid by Medicare | $66,530 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,098 · 4,548 30-day fills |
|---|---|
| Patients | 403 |
| Total drug cost | $167,242 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- Hassan Chahine MD IncWest Covina, CA · 7 clinicians
- Saab Progressive Medicine A Professional Medical CorporationWhittier, CA · 5 clinicians
- Socal Physician Partners APCBaldwin Park, CA · 4 clinicians
Hospital affiliations
- Adventist Health BakersfieldBakersfield, CA
- Adventist Health Tehachapi ValleyTehachapi, CA
- Emanate Health Inter-Community HospitalCovina, CA
Other facilities
- Adventist Health Home Care ServicesHome health agency · Bakersfield, CA
Industry payments (Open Payments)
- 2025$60.65 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abiomed | $29.89 | 1 |
| Dexcom, Inc. | $16.80 | 1 |
| Daiichi Sankyo Inc. | $13.96 | 1 |
What the 2025 payments were for
- Food and Beverage$60.65 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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