GREGORY F HOLLEY (PA) – Physician Assistant, NPI 1154407823
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,166 PHYSICIAN ASSISTANT in CO
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Provider Addresses for GREGORY F HOLLEY (PA)
707, North Taylor Street, Gunnison, Gunnison County, Colorado, 81230, United States
GUNNISON, CO 81230
Phone: (970) 641-1399
Fax: (970) 641-9017
Type: Location
1830, Blake Avenue, Glenwood Springs, Garfield County, Colorado, 81601, United States
GLENWOOD SPRINGS, CO 816014275
Phone: (970) 945-8503
Fax: (970) 947-9048
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: 2005-09-27
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20050927000561 | I | Physician Assistant | CO | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 81230)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PHYSICIAN ASSISTANT | CO | 83036 | Hemoglobin A1C level | 17 | 15 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Interventional Cardiology, Cardiovascular Disease (Cardiology) | CO | |
| Physician Assistant | UT | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology) | CO | |
| - | CO | |
| Thoracic Surgery | ID | |
| - | CO | |
| Cardiovascular Disease (Cardiology) | CO | |
| - | CO | |
| U R O L O G Y | CO | |
| - | CO |
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