Quick answers
- Does Tatyana Tolchinsky accept Medicare assignment?
- Yes. Medicare's clinician data says Tatyana Tolchinsky 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 Tatyana Tolchinsky see?
- In 2024, CMS data shows 343 Original Medicare patients and 541 services for Tatyana Tolchinsky. This counts Original Medicare only and measures volume, not quality.
- What is Tatyana Tolchinsky's NPI number?
- 1346671633. 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 Tatyana Tolchinsky, 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 | 343 |
|---|---|
| Services billed to Medicare | 541 |
| Different services or procedures | 12 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)112 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)109 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)89 services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)63 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)52 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%
- Arthritis75%
- Chronic kidney disease42%
- Ischemic heart disease39%
- Diabetes38%
Hospitals where Tatyana Tolchinsky works
Medicare's Facility Affiliation Data lists Tatyana Tolchinsky 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.
- Prisma Health Greenville Memorial HospitalGreenville, SC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 420078
- Prisma Health Greer Memorial HospitalGreer, SC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 420033
- Prisma Health Patewood HospitalGreenville, SC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 420102
Practice locations
Addresses where Tatyana Tolchinsky is enrolled with Medicare (CMS data updated October 2, 2026).
- 701 Grove Rd, Suite 5Greenville, SC 29605 (864) 455‑4411
Group practices
Medicare enrollment lists Tatyana Tolchinsky as a member of this group (CMS data updated October 2, 2026).
- Prisma Health University Medical Group2,493 clinicians in the group
Specialties
- Hospitalistprimary
- Internal Medicinealso
Other hospitalists in Greenville
Clinicians with the same Medicare primary specialty in Greenville, SC — not a recommendation.
Other clinicians in Prisma Health University Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1997 (29 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1346671633 |
| 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