DR. MARK WILLIS (M.D.) – Plastic Surgery within the Head & Neck (Otolaryngology) Physician, NPI 1649423617
Plastic Surgery within the Head & Neck (Otolaryngology) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
227 OTOLARYNGOLOGY in CO
Provider Addresses for DR. MARK WILLIS (M.D.)
12605 E 16th Ave
Aurora, CO 800452545
Phone: (720) 848-0000
Type: Location
University of Colorado Hospital, 12605, East 16th Avenue, Aurora, Adams County, Colorado, 80045, United States
AURORA, CO 800452545
Phone: (720) 848-0000
Type: Location
PO BOX 110429
AURORA, CO 800420429
Phone:
Type: Mailing
1500 PARK CENTRAL DR
HIGHLANDS RANCH, CO 801296688
Phone: (720) 848-0000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 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: 2024-11-07 • Largest payer in this snapshot: Hologic Sales and Service, LLC ($24).
Total Amount
$43
General + Research + Ownership
Payments
2
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
2024-11-07
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Hologic Sales and Service, LLC | $24 |
| Olympus America Inc. | $18 |
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: 2012-08-10
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 |
|---|---|---|---|---|
| I20120810000209 | I | Otolaryngology | 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 | 133 | 104 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 112 | 112 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 88 | 88 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 86 | 74 | $0 |
| 31231 | Diagnostic exam of nasal passages using an endoscope | 68 | 59 | $0 |
Insurance plans in this area (ZIP 80045)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| OTOLARYNGOLOGY | CO | 92567 | Eardrum testing using ear probe | 115 | 94 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CO | |
| Family Practice | CO | |
| Advanced Heart Failure And Transplant Cardiology, Cardiac Electrophysiology, Cardiovascular Disease (Cardiology), Internal Medicine | CO | |
| Emergency Medicine | CO | |
| Emergency Medicine | CO | |
| - | CO | |
| - | CO | |
| Emergency Medicine | CO | |
| - | CO | |
| - | CO |
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