Quick answers
- Does Khanh H. Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Khanh H. Nguyen 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 Khanh H. Nguyen see?
- In 2024, CMS data shows 3,827 Original Medicare patients and 5,596 services for Khanh H. Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is Khanh H. Nguyen's NPI number?
- 1821521576. 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 Khanh H. Nguyen, 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 | 3,827 |
|---|---|
| Services billed to Medicare | 5,596 |
| Different services or procedures | 155 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- X-ray of chest, 1 view (71045)1,167 services
- Ct scan head or brain without contrast (70450)432 services
- X-ray of chest, 2 views (71046)393 services
- Ct scan of abdomen and pelvis with contrast (74177)359 services
- Ct scan of chest without contrast (71250)255 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%
- Arthritis54%
- Chronic kidney disease38%
- Ischemic heart disease36%
- Depression36%
Hospitals where Khanh H. Nguyen works
Medicare's Facility Affiliation Data lists Khanh H. Nguyen 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.
- Mercy Hospital Kingfisher, IncKingfisher, OK · Critical Access Hospital · Emergency services: listed by Medicare · CCN 371313
- Mercy Hospital Oklahoma City, IncOklahoma City, OK · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 370013
- Saint Francis Hospital South, LLCTulsa, OK · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 370218
- Saint Francis Hospital Vinita, IncVinita, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370237
- Saint Francis Hospital, IncTulsa, OK · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 370091
Practice locations
Addresses where Khanh H. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).
- 4300 W Memorial RdOklahoma City, OK 73120 (405) 755‑1515
- 5801 E 41st St, Suite 900Tulsa, OK 74135 (918) 743‑8838
Group practices
Medicare enrollment lists Khanh H. Nguyen as a member of these groups (CMS data updated October 2, 2026).
- Radiology Consultants of Tulsa, Inc.34 clinicians in the group
- Radiology Consultants PC28 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Oklahoma City
Clinicians with the same Medicare primary specialty in Oklahoma City, OK — not a recommendation.
Other clinicians in Radiology Consultants of Tulsa, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Oklahoma State University College Of Osteopathic Medicine |
| Graduation year | 2017 (9 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821521576 |
| 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