MR. WILLIAM E BALLAS (PA-C) – Surgical Physician Assistant, NPI 1902844269
Surgical 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 MR. WILLIAM E BALLAS (PA-C)
Broncos Parkway, Centennial, Arapahoe County, Colorado, 80138, United States
SUITE 100
CENTENNIAL, CO 801127111
Phone: (720) 851-2000
Fax: (720) 851-2009
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 88 Open Payments records for all available years, with a total value of $2,516.
Total Amount is formed as General ($2,516) + Research ($0) + Ownership ($0) = $2,516.
Last reported payment date: 2024-12-12 • Largest payer in this snapshot: Medtronic, Inc. ($931).
Total Amount
$2,516
General + Research + Ownership
Payments
88
Total payment records
General Amount
$2,516
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $931 |
| ABBVIE INC. | $451 |
| Lundbeck LLC | $220 |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | $185 |
| Saluda Medical Americas, Inc. | $147 |
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: 2004-06-22
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 |
|---|---|---|---|---|
| I20040622000789 | 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.
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 | 61 | 35 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 23 | 20 | $0 |
| 99441 | Telephone medical discussion with physician, 5-10 minutes | 15 | 12 | $0 |
Insurance plans in this area (ZIP 80112)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PHYSICIAN ASSISTANT | CO | 22842 | Insertion of posterior spinal instrumentation for spinal stabilization, 3 to 6 vertebral segments | 12 | 12 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | CO | |
| Anesthesiology, Pain Management | CO | |
| Anesthesiology, Pain Management | CO | |
| Physical Medicine And Rehabilitation, Internal Medicine, Pain Management | CO | |
| Pain Management, Anesthesiology | CO |
Reviews
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