Quick answers
- Does McDonald S. Arnot accept Medicare assignment?
- Yes. Medicare's clinician data says McDonald S. Arnot 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 McDonald S. Arnot see?
- In 2024, CMS data shows 607 Original Medicare patients and 1,846 services for McDonald S. Arnot. This counts Original Medicare only and measures volume, not quality.
- What is McDonald S. Arnot's NPI number?
- 1952699803. 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 McDonald S. Arnot, 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 | 607 |
|---|---|
| Services billed to Medicare | 1,846 |
| Different services or procedures | 74 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)513 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)345 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)171 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)137 services
- Diagnostic exam of voice box using a flexible endoscope (31575)89 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%
- Arthritis56%
- Diabetes36%
- Ischemic heart disease35%
- COPD32%
Hospitals where McDonald S. Arnot works
Medicare's Facility Affiliation Data lists McDonald S. Arnot 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.
- Baylor Scott and White Surgical Hospital at ShermaSherman, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 670076
- Texoma Medical CenterDenison, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450324
Practice locations
Addresses where McDonald S. Arnot is enrolled with Medicare (CMS data updated October 2, 2026).
- 204 Medical Dr, Suite 200Sherman, TX 75092 (903) 771‑7503
- 3601 N Calais StSherman, TX 75090 (903) 870‑0999
- 5016 N Hwy 75Denison, TX 75020 (903) 416‑4000
Specialties
- Otolaryngologyprimary
Other ENT doctors in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | University Of North Texas Hsc, College Of Osteopathic Med |
| Graduation year | 2011 (15 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1952699803 |
| 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