Kieran Stephen Doyle, MD
NPI 1053873315ActiveIndividual· Internal Medicine· Santa Rosa, CA
Internal Medicine (MD) with Inpatient Specialists of California PC, practicing in Santa Rosa, California. Their prescriptions cost Medicare Part D more than their services did: $8,503 for 44 claims, against $1,771 paid for services in 2024. Abbott Laboratories was the largest of 9 companies reporting payments in 2025, $766.74 in all, mostly food and beverage. Lists St Bernardine Medical Center as a hospital affiliation.
Overview
| NPI | 1053873315 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 4, 2019 |
| Last updated in NPPES | Aug 24, 2026 |
| Certified by provider | Aug 24, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A179956 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 | 16 |
|---|---|
| Services billed | 19 across 4 procedure codes |
| Paid by Medicare | $1,771 |
Part D prescriptions in 2024
| Prescriptions (claims) | 44 · 82 30-day fills |
|---|---|
| Patients | 18 |
| Total drug cost | $8,503 |
| Generic share | 68% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Inpatient Specialists of California PCOakdale, CA · 385 clinicians
Hospital affiliation
- St Bernardine Medical CenterSan Bernardino, CA
Industry payments (Open Payments)
- 2025$766.74 · 24 payments from 9 companies
- 2024$409.32 · 19 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $238.33 | 1 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $148.64 | 12 |
| Bayer Healthcare Pharmaceuticals Inc. | $141.05 | 2 |
| Abiomed | $79.03 | 2 |
| Bard Peripheral Vascular, Inc. | $72.80 | 3 |
What the 2025 payments were for
- Food and Beverage$528.41 · 23 payments
- Education$238.33 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 124 internal medicine physicians in Santa Rosa · All internal medicine physicians in California