Quick answers
- Does Tetiana Ustinov accept Medicare assignment?
- Yes. Medicare's clinician data says Tetiana Ustinov 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.
- What is Tetiana Ustinov's NPI number?
- 1124606421. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Tetiana Ustinov is enrolled with Medicare (CMS data updated October 2, 2026).
- 3010 W 33rd StBrooklyn, NY 11224 (718) 996‑1500
Group practices
Medicare enrollment lists Tetiana Ustinov as a member of these groups (CMS data updated October 2, 2026).
- My Medical PC94 clinicians in the group
- Peyman Younesi MD PLLC92 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 My Medical PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2009 (17 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1124606421 |
| 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
- 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