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DR. DARREN T HERZOG MD
NPI 1710119953
Orthopaedic Surgery in Flagstaff, AZ

Active since August 21, 2009PECOS EnrolledAccepts Medicare Assignment
107 E OAK AVE STE 101, FLAGSTAFF, AZ 86001(928) 779-7880(928) 779-7895 Get Directions Write a Review

NPPES record last updated: February 6, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 6, 2025, Dec 13, 2024, Nov 18, 2022 (3 updates tracked since 2022).

About Dr. Darren T Herzog Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DARREN T HERZOG MD (NPI 1710119953) is an individual orthopaedic surgery provider in Flagstaff, Arizona, licensed in Arizona (75684) and active in the NPI registry since August 2009. He is enrolled in Medicare PECOS, maintains a secondary practice location in Plains, and is a graduate of Other (2006).

NPPES Registry Identity

NPI1710119953
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameDR. DARREN T HERZOGCredential: MD
Location Address107 E OAK AVE STE 101Flagstaff, AZ 86001-1818
Mailing Address1200 N Beaver StFlagstaff, AZ 86001-3118 · (928) 213-6235
Phone(928) 779-7880
Fax(928) 779-7895
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateAugust 21, 2009
Last NPPES UpdateFebruary 6, 20253 updates tracked since enumeration
NPPES CertifiedFebruary 6, 2025
✔ NPI 1710119953 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
Licenses✔ Licensed in AZ · 75684✔ Licensed in MT · MED-PHYS-LIC-50222✔ Licensed in MT · 50222✔ Licensed in MI · 4301092372
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
Also ListedOrthopaedic Surgery · Adult Reconstructive Orthopaedic SurgeryTaxonomy 207XS0114X · License MED-PHYS-LIC-50222 (MT)
107 E OAK AVE STE 101, Flagstaff, AZ 86001
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Secondary Practice Location 1

Location 110 Kruger RdPlains, MT 59859 · Phone (406) 826-4800 · Fax (406) 826-4803

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Blue Cross and Blue Shield of Montana, Blue Cross Blue Shield of Arizona and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Darren T Herzog Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9133375512
PECOS Enrollment IDI20250103000569
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 86001 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Darren Herzog's NPI number?

The NPI number for Darren Herzog is 1710119953. It was assigned to this individual provider in the NPPES registry on August 21, 2009.

Where is Darren Herzog located?

Darren Herzog practices at 107 E Oak Ave Ste 101, Flagstaff, AZ 86001. The listed phone number is (928) 779-7880.

What is Darren Herzog's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Darren Herzog enrolled in Medicare?

Yes. Darren Herzog is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Darren Herzog accept?

Health plans from Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Blue Cross and Blue Shield of Montana and UnitedHealthcare list Darren Herzog as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Darren Herzog was last updated on February 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.