Allan T. Nassar, MD
NPI 1033129135ActiveIndividual· Internal Medicine· Madera, CA
Internal Medicine (MD) in Madera, California, trained at University of Kansas School of Med (Kc/Wich/Sal) (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $532,477 for 4,786 claims, against $106,990 paid for services in 2024. Novo Nordisk Inc was the largest of 4 companies reporting payments in 2025, $150.14 in all, mostly food and beverage.
Overview
| NPI | 1033129135 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 9, 2006 |
| Last updated in NPPES | Mar 22, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A61181 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 324 |
|---|---|
| Services billed | 1,733 across 33 procedure codes |
| Paid by Medicare | $106,990 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,786 · 11,890 30-day fills |
|---|---|
| Patients | 339 |
| Total drug cost | $532,477 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | University of Kansas School of Med (Kc/Wich/Sal) |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Community Health PartnersClovis, CA · 504 clinicians
- Advanced Internal Medicine Associates IncMadera, CA · 2 clinicians
Hospital affiliations
- Clovis Community Medical CenterClovis, CA
- Community Regional Medical CenterFresno, CA
- Madera Community HospitalMadera, CA
- Saint Agnes Medical CenterFresno, CA
Other facilities
- Community Home CareHome health agency · Fresno, CA
- Omnia Healthcare, LLCHome health agency · Clovis, CA
Industry payments (Open Payments)
- 2025$150.14 · 7 payments from 4 companies
- 2024$169.37 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $52.23 | 2 |
| Lilly USA, LLC | $38.46 | 2 |
| Astrazeneca Pharmaceuticals LP | $37.46 | 2 |
| Exact Sciences Corporation | $21.99 | 1 |
What the 2025 payments were for
- Food and Beverage$150.14 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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