Christopher Michael Diefenbach, MD
NPI 1437440070ActiveIndividual· Orthopaedic Surgery, Foot and Ankle Surgery· Flagstaff, AZ
Orthopaedic Surgery, Foot and Ankle Surgery (MD) in Flagstaff, Arizona, trained at New York University School of Medicine (class of 2011). 291 Medicare patients in 2024, $88,893 paid; all of their 237 Part D prescriptions were generic. Acumed LLC was the largest of 11 companies reporting payments in 2025, $25,477 in all, mostly consulting fees.
Overview
| NPI | 1437440070 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 1, 2011 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Foot and Ankle Surgery Primary | 207XX0004X | 53879 | AZ |
| Orthopaedic Surgery | 207X00000X | 53879 | AZ |
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 (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 291 |
|---|---|
| Services billed | 1,031 across 103 procedure codes |
| Paid by Medicare | $88,893 |
Part D prescriptions in 2024
| Prescriptions (claims) | 237 · 304 30-day fills |
|---|---|
| Patients | 101 |
| Total drug cost | $2,136 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | New York University School of Medicine |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Orthopedic Surgery |
Medical groups
- Reno Orthopaedic Clinic LtdReno, NV · 98 clinicians
- Custom Physical Therapy Limited PartnershipReno, NV · 82 clinicians
Hospital affiliations
- Carson Tahoe Regional Medical CenterCarson City, NV
- Carson Valley HealthGardnerville, NV
- Humboldt General HospitalWinnemucca, NV
- Northern Nevada Medical CenterSparks, NV
- Renown Regional Medical CenterReno, NV
Industry payments (Open Payments)
- 2025$25,477 · 44 payments from 11 companies
- 2024$26,070 · 31 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Acumed LLC | $23,873 | 24 |
| Stryker Corporation | $483.92 | 9 |
| Kerecis Limited | $290.06 | 2 |
| Exactech, Inc. | $213.32 | 2 |
| Alafair Biosciences, Inc. | $168.65 | 1 |
What the 2025 payments were for
- Consulting Fee$19,950 · 7 payments
- Food and Beverage$2,027 · 26 payments
- Travel and Lodging$1,928 · 8 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$1,400 · 1 payment
- Education$172.98 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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