Doctor profile · Federal record
Dr. Marianna Vynnyk, MD
Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · Nephrology Physician · Brooklyn, NY
- NPI 1942658836
- Accepts Medicare
- MIPS 85.0 / 100 · 2023
- 25 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
6916 19Th Ave, Apt #3
Brooklyn, NY 112045050
(347) 547-8573
Credentials & registration
- NPI registered
- June 2016 — 10 yrs on file
- Profile last updated
- November 5, 2025
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- New York #3000308
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1942658836. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
548
Distinct HCPCS
6
Medicare allowed
$73,281
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 190 | 120 | $90 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 177 | 114 | $136 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 112 | 110 | $199 | |
99239 |
Hospital discharge day management, more than 30 minutes | 26 | 26 | $132 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 23 | 23 | $150 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 20 | 20 | $149 |
In context: peer comparison
Among 39 peers in Brooklyn Hospitalist Physician, average services per provider: 141. This provider delivers 3.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
30
Patients
0
Total drug cost
$176
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Losartan Potassium | Generic | 18 | 0 | $142 |
| Furosemide | Generic | 12 | 0 | $33 |
Hospital affiliations
Frequently asked questions
What is Dr. Marianna Vynnyk's medical specialty?
Dr. Marianna Vynnyk practices Hospitalist Physician in Brooklyn, NY.
Where does Dr. Marianna Vynnyk practice?
Dr. Marianna Vynnyk practices at 6916 19Th Ave, Brooklyn, NY 112045050. Office phone: 3475478573.
What is Dr. Marianna Vynnyk's NPI?
Dr. Marianna Vynnyk's National Provider Identifier (NPI) is 1942658836, issued by NPPES.
Does Dr. Marianna Vynnyk accept Medicare assignment?
Yes. Dr. Marianna Vynnyk accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marianna Vynnyk commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.