Quick answers
- Does Iwan T. Tjauw accept Medicare assignment?
- Yes. Medicare's clinician data says Iwan T. Tjauw 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 Iwan T. Tjauw see?
- In 2024, CMS data shows 3,091 Original Medicare patients and 4,719 services for Iwan T. Tjauw. This counts Original Medicare only and measures volume, not quality.
- What is Iwan T. Tjauw's NPI number?
- 1730154170. 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 Iwan T. Tjauw, 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 | 3,091 |
|---|---|
| Services billed to Medicare | 4,719 |
| Different services or procedures | 149 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- X-ray of chest, 1 view (71045)1,172 services
- Ct scan head or brain without contrast (70450)643 services
- Nuclear medicine study from skull base to mid-thigh with ct scan (78815)238 services
- Ct scan of abdomen and pelvis with contrast (74177)206 services
- Mri scan of brain without contrast (70551)197 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%
- Arthritis59%
- Ischemic heart disease44%
- Diabetes43%
- Chronic kidney disease42%
Hospitals where Iwan T. Tjauw works
Medicare's Facility Affiliation Data lists Iwan T. Tjauw 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.
- INTEGRIS Baptist Medical Center, IncOklahoma City, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370028
- INTEGRIS Canadian Valley HospitalYukon, OK · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 370211
- INTEGRIS Health Edmond HospitalEdmond, OK · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 370236
- INTEGRIS Southwest Medical CenterOklahoma City, OK · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 370106
- Mercy Hospital Oklahoma City, IncOklahoma City, OK · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 370013
Practice locations
Addresses where Iwan T. Tjauw is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 1201 Health Ctr PkwyYukon, OK 73099 (405) 717‑6800
- 3300 NW ExpresswayOklahoma City, OK 73112 (405) 949‑3011
- 3524 NW 56th StOklahoma City, OK 73112 (405) 606‑6937
- 3525 NW 56th St, Suite 100cOklahoma City, OK 73112 (405) 945‑0045
- 4801 INTEGRIS PkwyEdmond, OK 73034 (405) 657‑3000
Group practices
Medicare enrollment lists Iwan T. Tjauw as a member of this group (CMS data updated October 2, 2026).
- Radiology Associates LLC20 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Yukon
Clinicians with the same Medicare primary specialty in Yukon, OK — not a recommendation.
Other clinicians in Radiology Associates LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Jefferson Medical College Of Thomas Jefferson University |
| Graduation year | 1993 (33 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1730154170 |
| 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