Quick answers
- Does Tyler S. McMillan accept Medicare assignment?
- Yes. Medicare's clinician data says Tyler S. McMillan 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 Tyler S. McMillan see?
- In 2024, CMS data shows 56 Original Medicare patients and 171 services for Tyler S. McMillan. This counts Original Medicare only and measures volume, not quality.
- What is Tyler S. McMillan's NPI number?
- 1801148598. 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 Tyler S. McMillan, 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 | 56 |
|---|---|
| Services billed to Medicare | 171 |
| Different services or procedures | 6 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)120 services
- Hospital discharge day management, more than 30 minutes (99239)29 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)15 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 pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Diabetes59%
- Heart failure59%
- Chronic kidney disease57%
Hospitals where Tyler S. McMillan works
Medicare's Facility Affiliation Data lists Tyler S. McMillan 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.
- Essentia HealthFargo, ND · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 350070
- Essentia Health St Marys - Detroit LakesDetroit Lakes, MN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 240101
- Hillcrest Medical CenterTulsa, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370001
- Southwest Medical CenterLiberal, KS · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 170068
Practice locations
Addresses where Tyler S. McMillan is enrolled with Medicare (CMS data updated October 2, 2026).
- 10502 N 110th E Ave, Bailey Medical CenterOwasso, OK 74055 (918) 579‑2300
- 1120 S Utica Ave, Hillcrest Medical CenterTulsa, OK 74104 (918) 579‑1000
- 315 W 15th St, Internal MedicineLiberal, KS 67901 (620) 624‑1651
Group practices
Medicare enrollment lists Tyler S. McMillan as a member of these groups (CMS data updated October 2, 2026).
- Tulsa Hospital Medicine Physicians Group, LLC137 clinicians in the group
- Southwest Medical Center64 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Owasso
Clinicians with the same Medicare primary specialty in Owasso, OK — not a recommendation.
Other clinicians in Tulsa Hospital Medicine Physicians Group, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2012 (14 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1801148598 |
| 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