Quick answers
- Does McKenna M. Spillar accept Medicare assignment?
- Yes. Medicare's clinician data says McKenna M. Spillar accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does McKenna M. Spillar see?
- In 2024, CMS data shows 47 Original Medicare patients and 47 services for McKenna M. Spillar. This counts Original Medicare only and measures volume, not quality.
- What is McKenna M. Spillar's NPI number?
- 1114651924. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for McKenna M. Spillar, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 47 |
|---|---|
| Services billed to Medicare | 47 |
| Different services or procedures | 6 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)18 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure70%
- High cholesterol45%
- Arthritis32%
Hospitals where McKenna M. Spillar works
Medicare's Facility Affiliation Data lists McKenna M. Spillar at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Banner Wyoming Medical CenterCasper, WY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 530012
- Hot Springs County Memorial HospitalThermopolis, WY · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 531304
- Ivinson Memorial HospitalLaramie, WY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 530025
- Memorial Hospital of Converse CountyDouglas, WY · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 531302
- Platte County HospitalWheatland, WY · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 531305
Practice locations
Addresses where McKenna M. Spillar is enrolled with Medicare (CMS data updated October 2, 2026).
- 1441 Wilkins CirCasper, WY 82601 (307) 233‑2700
- 3116 Willett DrLaramie, WY 82072 (307) 233‑2700
- 407 S Medical Arts Ct, Suite DGillette, WY 82716 (307) 233‑2700
- 808 Riverbend Dr, Suite 2Douglas, WY 82633 (307) 233‑2700
Group practices
Medicare enrollment lists McKenna M. Spillar as a member of this group (CMS data updated October 2, 2026).
- Gastroenterology Associates, LLC13 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Casper
Clinicians with the same Medicare primary specialty in Casper, WY — not a recommendation.
Other clinicians in Gastroenterology Associates, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1114651924 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians