Stan Mathioulakis, MD
NPI 1912080847ActiveIndividual· Internal Medicine· Duarte, CA
Internal Medicine (MD) in Duarte, California, licensed in CA, with an NPI issued in October 2006. Their prescriptions cost Medicare Part D more than their services did: $560,437 for 8,094 claims, against $111,824 paid for services in 2024. Exact Sciences Corporation was the largest of 2 companies reporting payments in 2025, $48.54 in all, mostly food and beverage. Lists Huntington Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1912080847 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 23, 2006 |
| Last updated in NPPES | Feb 21, 2020 |
| Certified by provider | Feb 21, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A85470 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 189 |
|---|---|
| Services billed | 1,760 across 29 procedure codes |
| Paid by Medicare | $111,824 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,094 · 13,508 30-day fills |
|---|---|
| Patients | 416 |
| Total drug cost | $560,437 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 1985 |
|---|---|
| Medicare specialty | Internal Medicine |
Hospital affiliations
- Huntington HospitalPasadena, CA
- Usc Arcadia HospitalArcadia, CA
Other facilities
- Bradbourne Healthcare, IncHome health agency · Covina, CA
- Bright Light Home HealthHome health agency · Rancho Cucamonga, CA
- Giving Hands Home Health Care, IncHome health agency · Encino, CA
- Prestigious Home Health, IncHome health agency · Covina, CA
- Monrovia Memorial HospitalLong-term care hospital · Monrovia, CA
- Camellia Gardens Care CenterNursing home · Pasadena, CA
- Monte Vista Healthcare CenterNursing home · Duarte, CA
- Royal Oaks Manor-Bradbury OaksNursing home · Duarte, CA
Industry payments (Open Payments)
- 2025$48.54 · 2 payments from 2 companies
- 2024$486.82 · 18 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $33.84 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $14.70 | 1 |
What the 2025 payments were for
- Food and Beverage$48.54 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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