Ronald Gary Pearl, MD, PHD
NPI 1003958240ActiveIndividual· Anesthesiology· Stanford, CA
Anesthesiology (MD, PHD) with Stanford Health Care, practicing in Stanford, California. Medicare paid $45,686 for services to 94 patients in 2024. Alexion Pharmaceuticals, Inc. was the largest of 3 companies reporting payments in 2025, $1,713 in all, mostly travel and lodging. Lists Stanford Health Care as a hospital affiliation.
Overview
| NPI | 1003958240 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | No |
| NPI issued | Feb 13, 2007 |
| Last updated in NPPES | Apr 11, 2024 |
| Certified by provider | Apr 11, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | G38269 | CA |
| Anesthesiology, Critical Care Medicine | 207LC0200X | G38269 | CA |
| Internal Medicine | 207R00000X | G38269 | 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 - Anesthesiology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 94 |
|---|---|
| Services billed | 256 across 29 procedure codes |
| Paid by Medicare | $45,686 |
Education and affiliations
| Graduation year | 1977 |
|---|---|
| Medicare specialty | Anesthesiology |
| Secondary specialties | Critical Care (Intensivists), Internal Medicine |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliation
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2025$1,713 · 12 payments from 3 companies
- 2024$138.77 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alexion Pharmaceuticals, Inc. | $1,190 | 10 |
| Novartis Pharmaceuticals Corporation | $401.10 | 1 |
| Vertex Pharmaceuticals Incorporated | $121.82 | 1 |
What the 2025 payments were for
- Travel and Lodging$1,306 · 4 payments
- Food and Beverage$406.80 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 400 anesthesiologists in Stanford · All anesthesiologists in California