Barbara Irish
NPI 1003363847ActiveIndividual· Physician Assistant, Medical· Santa Barbara, CA
Physician Assistant, Medical with David B. Hammer and 1 other group, practicing in Santa Barbara, California. 554 Medicare patients in 2024, $164,014 paid; nearly all of their 1,387 Part D prescriptions were generic (97%). Abbott Laboratories was the largest of 5 companies reporting payments in 2025, $502.12 in all, mostly food and beverage. Lists Adventist Health Sierra Vista and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1003363847 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Sep 9, 2016 |
| Last updated in NPPES | Jan 27, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | — | 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 - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 554 |
|---|---|
| Services billed | 8,888 across 23 procedure codes |
| Paid by Medicare | $164,014 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,387 · 1,544 30-day fills |
|---|---|
| Patients | 267 |
| Total drug cost | $44,314 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical groups
- David B. HammerTempleton, CA · 123 clinicians
- Hullander and Mozingo LPSan Luis Obispo, CA · 10 clinicians
Hospital affiliations
- Adventist Health Sierra VistaSan Luis Obispo, CA
- Adventist Health Twin CitiesTempleton, CA
- French Hospital Medical CenterSan Luis Obispo, CA
- Marian Regional Medical CenterSanta Maria, CA
Industry payments (Open Payments)
- 2025$502.12 · 35 payments from 5 companies
- 2024$1,465 · 49 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $311.10 | 20 |
| Foundation Fusion Solutions, LLC | $63.35 | 10 |
| Abbvie Inc. | $62.19 | 2 |
| Medtronic, Inc. | $51.20 | 2 |
| Globus Medical, Inc. | $14.28 | 1 |
What the 2025 payments were for
- Food and Beverage$502.12 · 35 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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