DARREN EUGENE NISLY (DO) – Surgery Physician, NPI 1811375223
Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
756 GENERAL SURGERY in CO
Provider Addresses for DARREN EUGENE NISLY (DO)
205 N EAST AVE
JACKSON, MI 492011753
Phone: (517) 788-4800
Fax: (517) 817-7050
Type: Mailing
GENERAL SURGEONS OF WESTERN COLORADO
2440 N 11TH ST
GRAND JUNCTION, CO 815018102
Phone: (970) 243-0900
Fax: (970) 245-4235
Type: Location
300 W Ottley Ave
Fruita, CO 815212118
Phone: (970) 858-3900
Fax: (970) 858-2202
Type: Location
401 Kokopelli Blvd Ste 3
Fruita, CO 815213308
Phone: (970) 200-1510
Fax: (833) 967-0876
Type: Location
714 1/2 WILLOW CREEK RD
GRAND JUNCTION, CO 815059762
Phone: (620) 899-5877
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2022-06-06
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20200528001706 | I | General Surgery | CO | TBD |
| I20220606001633 | I | General Surgery | UT | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 16 | 15 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 16 | 14 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 13 | 13 | $0 |
Insurance plans in this area (ZIP 49201)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | CO | |
| General Surgery | CO | |
| Osteopathic Manipulative Medicine | CO | |
| P O D I A T R Y | CO | |
| - | CO | |
| Internal Medicine | ME | |
| General Surgery | CO | |
| - | CO | |
| Physician Assistant | CO | |
| Hospitalist, Internal Medicine | OH |
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