Quick answers
- Does Irina S. Mishler accept Medicare assignment?
- Yes. Medicare's clinician data says Irina S. Mishler 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 Irina S. Mishler see?
- In 2024, CMS data shows 79 Original Medicare patients and 91 services for Irina S. Mishler. This counts Original Medicare only and measures volume, not quality.
- What is Irina S. Mishler's NPI number?
- 1215691720. 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 Irina S. Mishler, 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 | 79 |
|---|---|
| Services billed to Medicare | 91 |
| Different services or procedures | 8 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Critical care, first 30-74 minutes (99291)26 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)16 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)16 services
- Hospital discharge day management, 30 minutes or less (99238)13 services
- Hospital discharge day management, more than 30 minutes (99239)11 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%
- Diabetes56%
- Chronic kidney disease56%
- Ischemic heart disease51%
Hospitals where Irina S. Mishler works
Medicare's Facility Affiliation Data lists Irina S. Mishler 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.
- Spartanburg Medical CenterSpartanburg, SC · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 420007
- Union Medical CenterUnion, SC · Acute Care Hospital · Emergency services: listed by Medicare · CCN 420108
Practice locations
Addresses where Irina S. Mishler is enrolled with Medicare (CMS data updated October 2, 2026).
- 101 E Wood StSpartanburg, SC 29303 (864) 560‑6000
Group practices
Medicare enrollment lists Irina S. Mishler as a member of this group (CMS data updated October 2, 2026).
- Spartanburg Medical Center1,078 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Spartanburg
Clinicians with the same Medicare primary specialty in Spartanburg, SC — not a recommendation.
Other clinicians in Spartanburg Medical Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1215691720 |
| 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