Quick answers
- Does Konstantin Peysin accept Medicare assignment?
- Yes. Medicare's clinician data says Konstantin Peysin 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 Konstantin Peysin see?
- In 2024, CMS data shows 370 Original Medicare patients and 1,041 services for Konstantin Peysin. This counts Original Medicare only and measures volume, not quality.
- What is Konstantin Peysin's NPI number?
- 1649513144. 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 Konstantin Peysin, 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 | 370 |
|---|---|
| Services billed to Medicare | 1,041 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)321 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)190 services
- Infusion into a vein for hydration, 31-60 minutes (96360)126 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)77 services
- Biopsy of large bowel using a flexible endoscope (45380)69 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%
- Diabetes74%
- Depression62%
- Ischemic heart disease54%
Practice locations
Addresses where Konstantin Peysin is enrolled with Medicare (CMS data updated October 2, 2026).
- 1672 Sheepshead Bay RdBrooklyn, NY 11235 (718) 332‑0600
- 2043 Richmond AveStaten Island, NY 10314 (718) 332‑0600
- 260 Ave XBrooklyn, NY 11223 (718) 336‑8855
- 3594 E Tremont Ave, Suite 100Bronx, NY 10465 (718) 332‑0600
- 770 Flatbush AveBrooklyn, NY 11226 (347) 627‑3988
Group practices
Medicare enrollment lists Konstantin Peysin as a member of these groups (CMS data updated October 2, 2026).
- Century Medical and Dental Center Inc109 clinicians in the group
- Triborough Gi PLLC15 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Brooklyn
Clinicians with the same Medicare primary specialty in Brooklyn, NY — not a recommendation.
Other clinicians in Century Medical and Dental Center Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2013 (13 years since medical school) |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1649513144 |
| 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