Quick answers
- Does Doan K. Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Doan K. 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 Doan K. Nguyen see?
- In 2024, CMS data shows 230 Original Medicare patients and 1,098 services for Doan K. Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is Doan K. Nguyen's NPI number?
- 1619945896. 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 Doan K. 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 | 230 |
|---|---|
| Services billed to Medicare | 1,098 |
| Different services or procedures | 92 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)216 services
- X-ray of knee, 1-2 views (73560)128 services
- Aspiration and/or injection of fluid from large joint (20610)79 services
- Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)72 services
- X-ray of thigh bone, minimum 2 views (73552)70 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%
- Arthritis64%
- Diabetes40%
- Osteoporosis35%
- Ischemic heart disease33%
Hospitals where Doan K. Nguyen works
Medicare's Facility Affiliation Data lists Doan K. 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.
- HCA Houston Healthcare KingwoodKingwood, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · CCN 450775
- HCA Houston Healthcare NorthwestHouston, TX · Acute Care Hospital · Medicare rating: 2 of 5 stars · CCN 450638
- HCA Houston Healthcare TomballTomball, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · CCN 450670
- Houston Methodist Willowbrook HospitalHouston, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · CCN 450844
- St. Luke's Hospital at The VintageHouston, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · CCN 670075
Practice locations
Addresses where Doan K. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).
- 11301 Fallbrook, Suite 100Houston, TX 77065 (713) 467‑4619
- 13440 University BlvdSugar Land, TX 77479 (281) 277‑1330
- 13440 University Blvd, Suite 210Sugar Land, TX 77479 (281) 277‑1330
Group practices
Medicare enrollment lists Doan K. Nguyen as a member of this group (CMS data updated October 2, 2026).
- Select Physical Therapy Texas Limited Partnership99 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Houston
Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.
Other clinicians in Select Physical Therapy Texas Limited Partnership
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Illinois Medical College |
| Graduation year | 1994 (32 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1619945896 |
| 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