MARK J VONDERHARR (PA-C) – Physician Assistant, NPI 1518279637
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,161 PHYSICIAN ASSISTANT in CO
Provider Addresses for MARK J VONDERHARR (PA-C)
1650 Cochrane Cir # B7500
Fort Carson, CO 809134613
Phone: (785) 239-4411
Fax: (785) 239-7364
Type: Location
2695 ROCKY MOUNTAIN AVE STE 150
LOVELAND, CO 805389071
Phone:
Type: Mailing
1650 COCHRANE CIR # B7500
FORT CARSON, CO 809134613
Phone:
Type: Mailing
16222 W US HIGHWAY 24 STE 210
WOODLAND PARK, CO 808638763
Phone: (719) 365-2960
Fax: (719) 374-6212
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $43.
Total Amount is formed as General ($43) + Research ($0) + Ownership ($0) = $43.
Last reported payment date: 2023-11-14 • Largest payer in this snapshot: Integra LifeSciences Corporation ($43).
Total Amount
$43
General + Research + Ownership
Payments
1
Total payment records
General Amount
$43
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-11-14
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Integra LifeSciences Corporation | $43 |
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: 2025-10-09
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 |
|---|---|---|---|---|
| I20230223002246 | I | Physician Assistant | CO | TBD |
| I20251009002167 | I | Physician Assistant | KS | 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 80913)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | CO | |
| Mental Health Counselor | CO | |
| Nurse Practitioner | HI | |
| Nurse Practitioner | WA | |
| Family Practice | KS | |
| Physician Assistant | CO | |
| Physician Assistant | CO | |
| - | CO | |
| Family Practice | CO | |
| - | CO |
Reviews
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