FRONT RANGE BILLING, PLLC
NPI 1679421721
Neurological Surgery in Greenwood Village, CO

NPI Status: Active since March 16, 2026

Contact Information

7400 E CRESTLINE CIR STE 105
GREENWOOD VILLAGE, CO
ZIP 80111
Phone: (720) 233-3554
Fax: (303) 600-4997

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  • Organization
  • Neurological Surgery

About FRONT RANGE BILLING, PLLC

This page provides the complete NPI Profile along with additional information for Front Range Billing, Pllc, a provider established in Greenwood Village, Colorado operating as a Neurological Surgery. The healthcare provider is registered in the NPI registry with number 1679421721 assigned on March 2026. The practitioner's primary taxonomy code is 207T00000X. The provider is registered as an organization and their NPI record was last updated March 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Bradley Duhon Md (President)

NPI
1679421721
Provider Name
FRONT RANGE BILLING, PLLC
Entity Type
Organization
Location Address
7400 E CRESTLINE CIR STE 105 GREENWOOD VILLAGE, CO 80111
Location Phone
(720) 233-3554
Location Fax
(303) 600-4997
Mailing Address
5140 N LARIAT DR CASTLE ROCK, CO 80108
Mailing Phone
(720) 233-3554
Mailing Fax
(303) 600-4997
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-16-2026
Last Update Date
03-16-2026
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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Neurological Surgery

Taxonomy Code
207T00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

BRADLEY DUHON MD

Authorized Official Title
PRESIDENT
Authorized Official Phone
(720) 233-3554

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1679421721, we treat the final digit (1) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
9
Unchanged
Pos 5
4
Doubled → 8
Pos 6
2
Unchanged
Pos 7
1
Doubled → 2
Pos 8
7
Unchanged
Pos 9
2
Doubled → 4
Check
1
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 7 → 14 → 5 4 → 8 1 → 2 2 → 4

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 6 + 1 + 4 + 9 + 8 + 2 + 2 + 7 + 4 + 24 = 69

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1679421721.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Clinic/Center (Primary Care)
7400 E CRESTLINE CIR STE 105
GREENWOOD VILLAGE, CO 80111
Neurological Surgery
7400 E CRESTLINE CIR STE 105
GREENWOOD VILLAGE, CO 80111

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1679421721, enumerated as an "organization" on March 16, 2026.

The provider is located at 7400 E CRESTLINE CIR STE 105 GREENWOOD VILLAGE, CO 80111 and the phone number is (720) 233-3554.

Neurological Surgery with taxonomy code 207T00000X.