Ruth D. Macquarrie, M.D.
NPI 1942334362ActiveIndividual· Anesthesiology· Greenbrae, CA
Anesthesiology (M.D.) in Greenbrae, California, trained at Johns Hopkins University School of Medicine (class of 1998). Medicare paid $3,205 for services to 20 patients in 2024.
Overview
| NPI | 1942334362 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 15, 2007 |
| Last updated in NPPES | Feb 20, 2026 |
| Certified by provider | Feb 20, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | A80909 | CA |
| Anesthesiology, Critical Care Medicine | 207LC0200X | A80909 | 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 | 20 |
|---|---|
| Services billed | 25 across 14 procedure codes |
| Paid by Medicare | $3,205 |
Education and affiliations
| Medical school | Johns Hopkins University School of Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Anesthesiology |
Medical group
- Empire Anesthesia IncPleasanton, CA · 21 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 48 anesthesiologists in Greenbrae · All anesthesiologists in California