Quick answers
- Does Joel S. Deleeuw accept Medicare assignment?
- Yes. Medicare's clinician data says Joel S. Deleeuw 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 Joel S. Deleeuw see?
- In 2024, CMS data shows 93 Original Medicare patients and 200 services for Joel S. Deleeuw. This counts Original Medicare only and measures volume, not quality.
- What is Joel S. Deleeuw's NPI number?
- 1508446477. 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 Joel S. Deleeuw, 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 | 93 |
|---|---|
| Services billed to Medicare | 200 |
| Different services or procedures | 6 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)98 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)51 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)27 services
- Hospital discharge day management, more than 30 minutes (99239)22 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%
- Arthritis73%
- Chronic kidney disease54%
- Diabetes49%
- Anxiety48%
Hospitals where Joel S. Deleeuw works
Medicare's Facility Affiliation Data lists Joel S. Deleeuw 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.
- CHRISTUS Good Shepherd Medical CenterLongview, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450032
- CHRISTUS Mother Frances HospitalTyler, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450102
- CHRISTUS Mother Frances Hospital Sulphur SpringsSulphur Springs, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450236
- CHRISTUS Mother Frances Hospital- WinnsboroWinnsboro, TX · Critical Access Hospital · Emergency services: listed by Medicare · CCN 451381
- University of Texas Health Science Center at TylerTyler, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 450690
Practice locations
Addresses where Joel S. Deleeuw is enrolled with Medicare (CMS data updated October 2, 2026).
- 800 E Dawson StTyler, TX 75701 (903) 593‑8441
Group practices
Medicare enrollment lists Joel S. Deleeuw as a member of this group (CMS data updated October 2, 2026).
- North Texas Physician Services, PLLC238 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Tyler
Clinicians with the same Medicare primary specialty in Tyler, TX — not a recommendation.
Other clinicians in North Texas Physician Services, PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2021 (5 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1508446477 |
| 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