Michael Gary Michlitsch, M.D.
NPI 1023125259ActiveIndividual· Orthopaedic Surgery, Sports Medicine· Walnut Creek, CA
Orthopaedic Surgery, Sports Medicine (M.D.) with Golden State Orthopedics and Spine, practicing in Walnut Creek, California. Mostly services rather than prescriptions: Medicare paid $137,111 for 320 patients in 2024, with only 45 Part D claims. Zimmer Biomet Holdings, Inc. reported $197.66 in payments in 2025, mostly food and beverage. Lists John Muir Medical Center - Concord Campus and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1023125259 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 24, 2006 |
| Last updated in NPPES | Nov 12, 2025 |
| Certified by provider | Nov 12, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Sports Medicine Primary | 207XX0005X | A80093 | 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 - Orthopedic Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 320 |
|---|---|
| Services billed | 1,736 across 80 procedure codes |
| Paid by Medicare | $137,111 |
Part D prescriptions in 2024
| Prescriptions (claims) | 45 · 45 30-day fills |
|---|---|
| Patients | 32 |
| Total drug cost | $395.71 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Orthopedic Surgery |
Medical group
- Golden State Orthopedics and SpineCampbell, CA · 182 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
- San Ramon Regional Medical CenterSan Ramon, CA
Industry payments (Open Payments)
- 2025$197.66 · 1 payment from 1 company
- 2024$2,006 · 16 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zimmer Biomet Holdings, Inc. | $197.66 | 1 |
What the 2025 payments were for
- Food and Beverage$197.66 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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