Quick answers
- Does Tracey N. Cao accept Medicare assignment?
- Yes. Medicare's clinician data says Tracey N. Cao 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 Tracey N. Cao see?
- In 2024, CMS data shows 337 Original Medicare patients and 1,126 services for Tracey N. Cao. This counts Original Medicare only and measures volume, not quality.
- What is Tracey N. Cao's NPI number?
- 1558656694. 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 Tracey N. Cao, 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 | 337 |
|---|---|
| Services billed to Medicare | 1,126 |
| Different services or procedures | 10 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)560 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)185 services
- Hospital discharge day management, more than 30 minutes (99239)182 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)149 services
- Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th (G0316)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%
- Arthritis49%
- Chronic kidney disease43%
- Heart failure42%
- Diabetes39%
Hospitals where Tracey N. Cao works
Medicare's Facility Affiliation Data lists Tracey N. Cao 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.
- Avera McKennan Hospital & University Health CenterSioux Falls, SD · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 430016
- Avera Queen of PeaceMitchell, SD · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 431340
- Avera St Benedict Health Center - CAHParkston, SD · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 431330
- Huron Regional Medical CenterHuron, SD · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 431335
Practice locations
Addresses where Tracey N. Cao is enrolled with Medicare (CMS data updated October 2, 2026).
- 525 N Foster StMitchell, SD 57301 (605) 995‑2510
Group practices
Medicare enrollment lists Tracey N. Cao as a member of these groups (CMS data updated October 2, 2026).
- Avera Queen of Peace122 clinicians in the group
- Huron Regional Medical Center Inc46 clinicians in the group
Specialties
- Hospitalistprimary
- Internal Medicinealso
Other hospitalists in South Dakota
Clinicians with the same Medicare primary specialty in South Dakota — not a recommendation.
Other clinicians in Avera Queen of Peace
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2011 (15 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1558656694 |
| 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