Darren T. Herzog, MD
NPI 1710119953ActiveIndividual· Orthopaedic Surgery· Flagstaff, AZ
Orthopaedic Surgery (MD) with Northern Arizona Healthcare Corporation, practicing in Flagstaff, Arizona. 12 Medicare patients in 2024, $12,674 paid; all of their 207 Part D prescriptions were generic. Bioventus LLC was the largest of 3 companies reporting payments in 2025, $108.65 in all, mostly food and beverage. Lists Flagstaff Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1710119953 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 21, 2009 |
| Last updated in NPPES | Feb 6, 2025 |
| Certified by provider | Feb 6, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 75684 | AZ |
| Orthopaedic Surgery | 207X00000X | MED-PHYS-LIC-50222 | MT |
| Orthopaedic Surgery | 207X00000X | 50222 | MT |
| Orthopaedic Surgery | 207X00000X | 4301092372 | MI |
| Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery | 207XS0114X | MED-PHYS-LIC-50222 | MT |
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 (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 12 |
|---|---|
| Services billed | 14 across 11 procedure codes |
| Paid by Medicare | $12,674 |
Part D prescriptions in 2024
| Prescriptions (claims) | 207 · 207 30-day fills |
|---|---|
| Patients | 63 |
| Total drug cost | $1,321 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Orthopedic Surgery |
Medical group
- Northern Arizona Healthcare CorporationFlagstaff, AZ · 385 clinicians
Hospital affiliations
- Flagstaff Medical CenterFlagstaff, AZ
- Verde Valley Medical CenterCottonwood, AZ
Industry payments (Open Payments)
- 2025$108.65 · 3 payments from 3 companies
- 2024$141.26 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bioventus LLC | $39.33 | 1 |
| Stryker Corporation | $37.30 | 1 |
| Dexcom, Inc. | $32.02 | 1 |
What the 2025 payments were for
- Food and Beverage$108.65 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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