Quick answers
- Does William F. Cothern accept Medicare assignment?
- Yes. Medicare's clinician data says William F. Cothern 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 William F. Cothern see?
- In 2024, CMS data shows 1,116 Original Medicare patients and 7,856 services for William F. Cothern. This counts Original Medicare only and measures volume, not quality.
- What is William F. Cothern's NPI number?
- 1962493445. 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 William F. Cothern, 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 | 1,116 |
|---|---|
| Services billed to Medicare | 7,856 |
| Different services or procedures | 79 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Destruction of precancer skin growth, 2-14 growths (17003)3,410 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)1,723 services
- Destruction of precancer skin growth, 1 growth (17000)836 services
- Destruction of skin growth, 1-14 growths (17110)533 services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)175 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%
- Arthritis46%
- Ischemic heart disease27%
- Chronic kidney disease25%
- Diabetes23%
Practice locations
Addresses where William F. Cothern is enrolled with Medicare (CMS data updated October 2, 2026).
- 1367 Dominion PlzTyler, TX 75703 (903) 534‑6200
- 2321 Ira E Woods Ave, 180 U.S. Dermatology PartnersGrapevine, TX 76051 (817) 329‑2263
- 3610 N Josey Ln, Suite 104Carrollton, TX 75007 (972) 492‑7900
- 4201 Camp Bowie Blvd, Suite AFort Worth, TX 76107 (817) 377‑1243
Group practices
Medicare enrollment lists William F. Cothern as a member of this group (CMS data updated October 2, 2026).
- Oliver Street 5.01(A) Inc168 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Tyler
Clinicians with the same Medicare primary specialty in Tyler, TX — not a recommendation.
Other clinicians in Oliver Street 5.01(A) Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | University Of North Texas Hsc, College Of Osteopathic Med |
| Graduation year | 1981 (45 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1962493445 |
| 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
- 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