Quick answers
- Does Haiyun T. Niemzyk accept Medicare assignment?
- Yes. Medicare's clinician data says Haiyun T. Niemzyk 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 Haiyun T. Niemzyk see?
- In 2024, CMS data shows 92 Original Medicare patients and 92 services for Haiyun T. Niemzyk. This counts Original Medicare only and measures volume, not quality.
- What is Haiyun T. Niemzyk's NPI number?
- 1649841750. 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 Haiyun T. Niemzyk, 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 | 92 |
|---|---|
| Services billed to Medicare | 92 |
| Different services or procedures | 28 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)13 services
- Anesthesia for other procedure on large bowel using an endoscope (00811)12 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%
- Arthritis67%
- Ischemic heart disease46%
- Anxiety42%
- Diabetes40%
Hospitals where Haiyun T. Niemzyk works
Medicare's Facility Affiliation Data lists Haiyun T. Niemzyk 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.
- Alamance Regional Medical CenterBurlington, NC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 340070
- The Moses H. Cone Memorial HospitalGreensboro, NC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 340091
Practice locations
Addresses where Haiyun T. Niemzyk is enrolled with Medicare (CMS data updated October 2, 2026).
- 1010 College StOxford, NC 27565 (919) 690‑3000
- 1200 N Elm StGreensboro, NC 27401 (336) 832‑7000
- 1240 Huffman Mill RdBurlington, NC 27215 (919) 873‑9533
- 3100 Spring Forest Rd, Suite 130Raleigh, NC 27616 (919) 873‑9533
Group practices
Medicare enrollment lists Haiyun T. Niemzyk as a member of these groups (CMS data updated October 2, 2026).
- The Moses H Cone Memorial Hospital Operating Corporation734 clinicians in the group
- American Anesthesiology of North Carolina PLLC317 clinicians in the group
- Granville Health System79 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), North Carolina →
Other nurse anesthetists in Oxford
Clinicians with the same Medicare primary specialty in Oxford, NC — not a recommendation.
Other clinicians in The Moses H Cone Memorial Hospital Operating Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| School | Duke University School Of Medicine |
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1649841750 |
| 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