Marianna Vynnyk, MD
NPI 1942658836 · Hospitalist Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marianna Vynnyk, MD is a Hospitalist Physician provider in Brooklyn, NY (NPI 1942658836).
Provider details
- NPI number
- 1942658836
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 3000308 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
814 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 319 | $195 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 183 | $134 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 154 | $89 |
| Critical Care, First 30-74 Minutes99291 | 48 | $242 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 45 | $95 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-06-01
- Last updated
- 2025-11-05
- Certified
- 2025-11-05
Frequently asked questions
- What is Marianna Vynnyk's NPI number?
- Marianna Vynnyk's National Provider Identifier (NPI) is 1942658836, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marianna Vynnyk's specialty?
- Marianna Vynnyk is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Marianna Vynnyk located?
- Marianna Vynnyk's practice location on file with NPPES is 6916 19th Ave, Brooklyn, NY 11204-5050.
- What is Marianna Vynnyk's phone number?
- The practice phone number listed in the NPPES registry for Marianna Vynnyk is (347) 547-8573.
- Does Marianna Vynnyk accept Medicare?
- Marianna Vynnyk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marianna Vynnyk's NPI active?
- Yes — Marianna Vynnyk's NPI (1942658836) is active in the NPPES registry as of the last update on 2025-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.