Doctor profile · Federal record

Dr. Darren Herzog, MD

Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Orthopaedic Surgery Physician · Orthopaedic Surgery Physician · Orthopaedic Surgery Physician · Adult Reconstructive Orthopaedic Surgery Physician · Flagstaff, AZ

  • NPI 1710119953
  • Accepts Medicare
  • 20 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
107 E Oak Ave Ste 101
Flagstaff, AZ 860011818
(928) 779-7880
fax (928) 779-7895
Additional location
10 Kruger RD
Plains, MT 59859
(406) 826-4800
fax (406) 826-4803
Mailing address
1200 N Beaver St
Flagstaff, AZ 860013118

Credentials & registration

NPPES · NUCC
NPI registered
August 2009 — 17 yrs on file
Profile last updated
February 6, 2025
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207X00000X — NUCC code
State licenses (4)
Arizona #75684 · Montana #MED-PHYS-LIC-50222 · Montana #50222 · Michigan #4301092372

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710119953. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$141
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Stryker Corporation 1 $141.26

By nature of payment

Food and Beverage
$141

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
142
Patients
92
Total drug cost
$933
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 55 32 $267
Gabapentin Generic 38 21 $174
Celecoxib Generic 25 18 $320
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 24 21 $171

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Darren Herzog's medical specialty?
Dr. Darren Herzog practices Orthopaedic Surgery Physician in Flagstaff, AZ.
Where does Dr. Darren Herzog practice?
Dr. Darren Herzog practices at 107 E Oak Ave Ste 101, Flagstaff, AZ 860011818. Office phone: 9287797880.
What is Dr. Darren Herzog's NPI?
Dr. Darren Herzog's National Provider Identifier (NPI) is 1710119953, issued by NPPES.
Does Dr. Darren Herzog accept Medicare assignment?
Yes. Dr. Darren Herzog accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.