Quick answers
- Does Sergej N. Konoplev accept Medicare assignment?
- Yes. Medicare's clinician data says Sergej N. Konoplev 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 Sergej N. Konoplev see?
- In 2024, CMS data shows 768 Original Medicare patients and 3,913 services for Sergej N. Konoplev. This counts Original Medicare only and measures volume, not quality.
- What is Sergej N. Konoplev's NPI number?
- 1912930231. 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 Sergej N. Konoplev, 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 | 768 |
|---|---|
| Services billed to Medicare | 3,913 |
| Different services or procedures | 20 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Special stained specimen slides to examine tissue, each additional procedure (88341)756 services
- Microscopic genetic analysis of tumor, manual (88360)700 services
- Flow cytometry technique for dna or cell analysis, 16 or more markers (88189)434 services
- Bone marrow, smear interpretation (85097)377 services
- Pathology examination of tissue using a microscope, intermediate complexity (88305)370 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%
- Arthritis47%
- Ischemic heart disease35%
- Anxiety34%
- Chronic kidney disease29%
Practice locations
Addresses where Sergej N. Konoplev is enrolled with Medicare (CMS data updated October 2, 2026).
- 1275 York AveNew York, NY 10065 (212) 639‑2000
Group practices
Medicare enrollment lists Sergej N. Konoplev as a member of these groups (CMS data updated October 2, 2026).
- Memorial Hematology Lymphoma Group216 clinicians in the group
- Memorial Pathology Group99 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Other clinicians in Memorial Hematology Lymphoma Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1990 (36 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912930231 |
| 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
- 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