Michael Krosin, MD
NPI 1578705000ActiveIndividual· Orthopaedic Surgery· Castro Valley, CA
Orthopaedic Surgery (MD) in Castro Valley, California, trained at University of Missouri, Columbia School of Medicine (class of 2004). 219 Medicare patients in 2024, $135,293 paid; nearly all of their 187 Part D prescriptions were generic (97%). Arthrex, Inc. was the largest of 7 companies reporting payments in 2025, $2,419 in all, mostly speaking and faculty fees.
Overview
| NPI | 1578705000 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 30, 2009 |
| Last updated in NPPES | May 7, 2026 |
| Certified by provider | May 7, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | A96292 | CA |
| Orthopaedic Surgery | 207X00000X | 01066586A | IN |
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 | 219 |
|---|---|
| Services billed | 1,229 across 105 procedure codes |
| Paid by Medicare | $135,293 |
Part D prescriptions in 2024
| Prescriptions (claims) | 187 · 189 30-day fills |
|---|---|
| Patients | 64 |
| Total drug cost | $7,329 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | University of Missouri, Columbia School of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Orthopedic Surgery |
| Telehealth | Offers telehealth |
Medical groups
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
- Alameda Health SystemOakland, CA · 601 clinicians
- Bass Medical GroupChico, CA · 291 clinicians
Hospital affiliations
- Eden Medical CenterCastro Valley, CA
- Highland HospitalOakland, CA
Other facilities
- Accentcare Home Health of California, IncHome health agency · San Ramon, CA
- Silverline Staff Home HealthHome health agency · Fremont, CA
Industry payments (Open Payments)
- 2025$2,419 · 18 payments from 7 companies
- 2024$2,263 · 24 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Arthrex, Inc. | $1,250 | 1 |
| Depuy Synthes Sales Inc. | $707.13 | 8 |
| Medical Device Business Services, Inc. | $245.31 | 4 |
| My01 Inc. | $155.68 | 2 |
| Bioventus LLC | $32.09 | 1 |
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$1,250 · 1 payment
- Food and Beverage$1,089 · 16 payments
- Travel and Lodging$80.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Orthopaedic Surgery providers in Castro Valley
- 1700967239
- 1154700169
- 1093181646
- 1982905030
- 1215238597
- 1861899981
- 1275564528
- 1508961582
- 1003883356
- 1194757716
- 1356318794
- 1275501330