MICHAEL SISK (MD) – Orthopaedic Surgery Physician, NPI 1700802535
Orthopaedic Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
747 ORTHOPEDIC SURGERY in CO
Provider Addresses for MICHAEL SISK (MD)
705 MARKETPLACE PLZ
STEAMBOAT SPRINGS, CO 804871838
Phone: (970) 879-6663
Fax: (970) 871-1234
Type: Location
705 MARKETPLACE PLZ STE 200
STEAMBOAT SPRINGS, CO 804871841
Phone: (970) 879-6663
Fax: (970) 871-1234
Type: Mailing
42550 COUNTY RD 46A
STEAMBOAT SPRINGS, CO 804871841
Phone: (970) 846-9025
Type: Mailing
8185 HIGHWAY 789
LANDER, WY 825202942
Phone: (307) 206-9300
Fax: (307) 222-7977
Type: Location
Northwest Hearing: John Burke, Audiologist, 940, Central Park Drive, Steamboat Springs, Routt County, Colorado, 80487, United States
SUITE 280
STEAMBOAT SPRINGS, CO 804878816
Phone: (970) 879-6663
Fax: (970) 871-1234
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: 2015-03-06
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2023-10-31 (953 days ago).
Enrollment records
3
Earliest due date
2023-10-31
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 |
|---|---|---|---|---|
| I20050211000866 | I | Orthopedic Surgery | CO | TBD |
| I20121023000608 | I | Orthopedic Surgery | NE | 2023-10-31 |
| I20150306001679 | I | Orthopedic Surgery | WY | TBD |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
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 | 34 | 26 | $0 |
| J1030 | Injection, methylprednisolone acetate, 40 mg | 23 | 17 | $0 |
| 27447 | Replacement of knee joint, both sides of knee | 18 | 18 | $0 |
| 20610 | Aspiration and/or injection of fluid from large joint | 16 | 15 | $0 |
Insurance plans in this area (ZIP 80487)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| P O D I A T R Y | NE | |
| General Surgery | NE | |
| Family Practice | NE | |
| Family Practice | NE | |
| - | NE | |
| Family Practice | NE | |
| Physician Assistant | NE | |
| Family Practice, Emergency Medicine | NE | |
| Physician Assistant | NE | |
| Physician Assistant | NE |
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