Ian Richard Carroll, MD
NPI 1922148931ActiveIndividual· Anesthesiology, Pain Medicine· Stanford, CA
Anesthesiology, Pain Medicine (MD) in Stanford, California, trained at Columbia University College of Physicians and Surgeons (class of 1998). 473 Medicare patients in 2024, $73,393 paid; nearly all of their 100 Part D prescriptions were generic (97%). Pfizer Inc. reported $107.85 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1922148931 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 7, 2007 |
| Last updated in NPPES | Apr 8, 2024 |
| Certified by provider | Apr 8, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology, Pain Medicine Primary | 207LP2900X | A69807 | CA |
| Anesthesiology | 207L00000X | A69807 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Anesthesiology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 473 |
|---|---|
| Services billed | 1,150 across 20 procedure codes |
| Paid by Medicare | $73,393 |
Part D prescriptions in 2024
| Prescriptions (claims) | 100 · 106 30-day fills |
|---|---|
| Patients | 27 |
| Total drug cost | $1,416 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Anesthesiology |
| Telehealth | Offers telehealth |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliation
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2025$107.85 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $107.85 | 1 |
What the 2025 payments were for
- Food and Beverage$107.85 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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