Christian Chavat Hauser, P.A-C
NPI 1003878950ActiveIndividual· Physician Assistant, Medical· Lancaster, CA
Physician Assistant, Medical (P.A-C) in Lancaster, California, licensed in CA, with an NPI issued in April 2006. Their prescriptions cost Medicare Part D more than their services did: $7,763 for 222 claims, against $5,007 paid for services in 2024. Otsuka America Pharmaceutical, Inc. reported $26.91 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1003878950 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | P.A-C |
| Sole proprietor | Yes |
| NPI issued | Apr 5, 2006 |
| Last updated in NPPES | May 15, 2022 |
| Certified by provider | May 15, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | PA13847 | 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 - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 48 |
|---|---|
| Services billed | 53 across 7 procedure codes |
| Paid by Medicare | $5,007 |
Part D prescriptions in 2024
| Prescriptions (claims) | 222 · 242 30-day fills |
|---|---|
| Patients | 135 |
| Total drug cost | $7,763 |
| Generic share | 95% of claims |
Industry payments (Open Payments)
- 2025$26.91 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $26.91 | 1 |
What the 2025 payments were for
- Food and Beverage$26.91 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other physician assistants in Lancaster
- 1659584746
- 1568549970
- 1750322921
- 1801109400
- 1730195728
- 1821438318
- 1538233085
- 1669415949
- 1538386495
- 1093454944
- 1417888074
- 1750182499
All 32 physician assistants in Lancaster · All physician assistants in California