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DARREN EUGENE NISLY DO
NPI 1811375223
Surgery in Grand Junction, CO

Active since May 18, 2015PECOS EnrolledAccepts Medicare Assignment
GENERAL SURGEONS OF WESTERN COLORADO, 2440 N 11TH ST, GRAND JUNCTION, CO 81501(970) 243-0900(970) 245-4235 Get Directions Write a Review

NPPES record last updated: February 12, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Feb 12, 2021, Nov 4, 2020, Jul 30, 2020 and 1 more (4 updates tracked since 2020).

About Darren Eugene Nisly Do NPPES

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

DARREN EUGENE NISLY DO (NPI 1811375223) is an individual surgery provider in Grand Junction, Colorado, licensed in Colorado (DR.0064180) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS, is affiliated with Moab Regional Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1811375223
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDARREN EUGENE NISLYCredential: DO
Location AddressGENERAL SURGEONS OF WESTERN COLORADO, 2440 N 11TH STGrand Junction, CO 81501-8102
Mailing Address714 1/2 Willow Creek RdGrand Junction, CO 81505-9762 · (620) 899-5877
Phone(970) 243-0900
Fax(970) 245-4235
Sole ProprietorNo
Medical School CMSRocky Vista University College Of Osteopathic MedGraduated 2015
Enumeration DateMay 18, 2015
Last NPPES UpdateFebruary 12, 20214 updates tracked since enumeration
NPPES CertifiedFebruary 12, 2021
✔ NPI 1811375223 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in CO · DR.0064180
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
GENERAL SURGEONS OF WESTERN COLORADO, Grand Junction, CO 81501
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Secondary Practice Locations 2

Location 1401 Kokopelli Blvd Ste 3Fruita, CO 81521-3308 · Phone (970) 200-1510 · Fax (833) 967-0876
Location 2300 W Ottley AveFruita, CO 81521-2118 · Phone (970) 858-3900 · Fax (970) 858-2202

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Select Health, University of Utah Health Plans.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Darren Eugene Nisly Do 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 ID5991017642
PECOS Enrollment IDI20200528001706, I20220606001633
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.

Medicare Billing Reassignments

4

Medicare enrollment records show Darren Nisly reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Colorado Surgical Affiliates, LLC
2.1 mi
Surgery
2440 N 11TH ST
Grand Junction, CO 81501
  • Reassigned Medicare billing, Colorado enrollment
  • 42 clinicians in this Medicare group
NPI 1043663594 (970) 243-0900
Grand River Hospital District
40 mi
Rural Health
201 SIPPRELLE DR
Parachute, CO 81635
  • Reassigned Medicare billing, Colorado enrollment
  • Also billed through NPI 1649218991 (Colorado)
  • 93 clinicians in this Medicare group
NPI 1851347223 (970) 285-7046
Moab Valley Healthcare, Inc.
62 mi
Methadone
382 W CARE CAMPUS DRIVE
Moab, UT 84532
  • Reassigned Medicare billing, Utah enrollment
  • 60 clinicians in this Medicare group
NPI 1285380394 (435) 719-3500
Eastern Rio Blanco County Health Service District
68 mi
Skilled Nursing Facility
100 PIONEERS MEDICAL CENTER DR
Meeker, CO 81641
  • Reassigned Medicare billing, Colorado enrollment
  • 48 clinicians in this Medicare group
NPI 1306944822 (970) 878-5047

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
26 services24 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
15 services15 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
14 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Moab Regional Hospital

Critical Access Hospitals · Moab, UT
OwnershipVoluntary non-profit - Private
CMS Certification Number461302
Location450 West Williams WayMoab, UT 84532 · Grand County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 81501 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
$89.43 typical visit price
range $58.06 – $174.82
Typical copayment $22.35 (range $14.51 – $43.70)
Most-billed visit code 99203
Established Patient
$72.20 typical visit price
range $18.88 – $142.79
Typical copayment $18.05 (range $4.72 – $35.69)
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 Nisly's NPI number?

The NPI number for Darren Nisly is 1811375223. It was assigned to this individual provider in the NPPES registry on May 18, 2015.

Where is Darren Nisly located?

Darren Nisly practices at General Surgeons Of Western Colorado 2440 N 11th St, Grand Junction, CO 81501. The listed phone number is (970) 243-0900.

What is Darren Nisly's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Darren Nisly enrolled in Medicare?

Yes. Darren Nisly 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.

Which organizations bill Medicare for Darren Nisly's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Darren Nisly reassigns Medicare benefits to 4 organizations: Colorado Surgical Affiliates, LLC (Grand Junction, CO), Grand River Hospital District (Parachute, CO), Moab Valley Healthcare, Inc. (Moab, UT) and Eastern Rio Blanco County Health Service District (Meeker, CO). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Darren Nisly's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Darren Nisly accept?

Health plans from Select Health and University of Utah Health Plans list Darren Nisly 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.

Is Darren Nisly affiliated with any hospitals?

According to CMS data, Darren Nisly is affiliated with Moab Regional Hospital.

When was this NPI record last updated?

The NPPES record for Darren Nisly was last updated on February 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.