Quick answers
- Does John L. Washburn Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says John L. Washburn Jr. 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 John L. Washburn Jr. see?
- In 2024, CMS data shows 319 Original Medicare patients and 1,631 services for John L. Washburn Jr.. This counts Original Medicare only and measures volume, not quality.
- What is John L. Washburn Jr.'s NPI number?
- 1043280266. 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 John L. Washburn Jr., 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 | 319 |
|---|---|
| Services billed to Medicare | 1,631 |
| Different services or procedures | 37 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)577 services
- Insertion of needle into vein for collection of blood sample (36415)391 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)200 services
- Administration of influenza virus vaccine (G0008)58 services
- Influenza vaccine split virus, preservative free (90662)53 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 cholesterol73%
- Arthritis45%
- Ischemic heart disease29%
- Diabetes28%
- Chronic kidney disease20%
Hospitals where John L. Washburn Jr. works
Medicare's Facility Affiliation Data lists John L. Washburn Jr. 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 Regional Medical Center at PlanoPlano, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450890
- Baylor Scott and White Medical Center Frisco at PGFrisco, TX · Acute Care Hospital · Emergency services: listed by Medicare · CCN 670346
- Baylor Scott and White Medical Center McKinneyMcKinney, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 670082
- Methodist McKinney HospitalMcKinney, TX · Acute Care Hospital · Emergency services: listed by Medicare · CCN 670069
Practice locations
Addresses where John L. Washburn Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 2021 N Macarthur Blvd, 520 Baylor Scott and White Hospital MedicineIrving, TX 75061 (469) 800‑1150
- 2021 N Macarthur Boulevard, 350 Baylor Scott and White Medical and SurgIrving, TX 75061 (972) 817‑1550
- 4001 Worth StDallas, TX 75246
- 5236 W University Dr, Suite 1500McKinney, TX 75071 (469) 800‑5100
- 821 N Coleman St, Suite 100Prosper, TX 75078 (469) 800‑5200
Group practices
Medicare enrollment lists John L. Washburn Jr. as a member of this group (CMS data updated October 2, 2026).
- Healthtexas Provider Network2,697 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Irving
Clinicians with the same Medicare primary specialty in Irving, TX — not a recommendation.
Other clinicians in Healthtexas Provider Network
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Mississippi School Of Medicine |
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1043280266 |
| 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