Mark S. Garrison, DO
NPI 1801881503ActiveIndividual· Obstetrics & Gynecology· Chico, CA
Obstetrics & Gynecology (DO) in Chico, California, trained at Ohio State University College of Medicine (class of 1987). In 2024 Medicare paid $11,108 for 48 patients, and Part D covered 82 of their prescriptions, 80% of them generic. Intuitive Surgical, Inc. reported $14,398 in payments in 2025, mostly speaking and faculty fees.
Overview
| NPI | 1801881503 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Sep 19, 2005 |
| Last updated in NPPES | Jul 12, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 20A9268 | CA |
| Family Medicine | 207Q00000X | 20A9268 | 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 - Obstetrics/Gynecology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 48 |
|---|---|
| Services billed | 106 across 26 procedure codes |
| Paid by Medicare | $11,108 |
Part D prescriptions in 2024
| Prescriptions (claims) | 82 · 120 30-day fills |
|---|---|
| Patients | 30 |
| Total drug cost | $4,746 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Obstetrics/Gynecology |
| Telehealth | Offers telehealth |
Medical group
- Enloe Medical CenterChico, CA · 333 clinicians
Hospital affiliation
- Enloe HealthChico, CA
Industry payments (Open Payments)
- 2025$14,398 · 18 payments from 1 company
- 2024$41,167 · 44 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $14,398 | 18 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$12,000 · 3 payments
- Food and Beverage$1,049 · 9 payments
- Education$750.00 · 1 payment
- Travel and Lodging$599.11 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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