Doctor profile · Federal record
Dr. Yanina Greyf, NP
Family Nurse Practitioner (CMS: Nurse Practitioner) · Brooklyn, NY
- NPI 1174557136
- Accepts Medicare
- 21 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4813 9Th Ave Fl 5
Brooklyn, NY 112202484
(718) 283-5329
fax (718) 635-7640
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- October 20, 2023
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- New York #334607
- Medicaid
- NY #02732158
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1174557136. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
296
Distinct HCPCS
4
Medicare allowed
$27,752
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 124 | 103 | $89 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 73 | 51 | $126 | |
95251 |
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 70 | 59 | $33 | |
95250 |
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with provider supplied equipment | 29 | 28 | $177 |
In context: peer comparison
Among 98 peers in this city , average services per provider: 229. This provider delivers 1.3× the peer median.Open Payments
Industry payments received
All-time total
$20
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Xeris Pharmaceuticals, Inc. | 1 | $19.76 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,306
Patients
444
Total drug cost
$635,940
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Trulicity (Dulaglutide) | Brand | 197 | 51 | $256,198 |
| Metformin Hcl | Generic | 184 | 55 | $1,694 |
| Repaglinide | Generic | 119 | 34 | $3,711 |
| Ozempic (Semaglutide) | Brand | 113 | 43 | $156,558 |
| Levothyroxine Sodium | Generic | 109 | 44 | $1,699 |
| Metformin Hcl Er (Metformin Hcl) | Brand | 87 | 25 | $1,137 |
| Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) | Brand | 78 | 33 | $38,470 |
| Jardiance (Empagliflozin) | Brand | 71 | 27 | $74,230 |
| Glipizide | Generic | 68 | 18 | $753 |
| Basaglar Kwikpen U-100 (Insulin Glargine,hum.Rec.Anlog) | Brand | 58 | 24 | $23,225 |
Frequently asked questions
What is Dr. Yanina Greyf's medical specialty?
Dr. Yanina Greyf practices Family Nurse Practitioner in Brooklyn, NY.
Where does Dr. Yanina Greyf practice?
Dr. Yanina Greyf practices at 4813 9Th Ave Fl 5, Brooklyn, NY 112202484. Office phone: 7182835329.
What is Dr. Yanina Greyf's NPI?
Dr. Yanina Greyf's National Provider Identifier (NPI) is 1174557136, issued by NPPES.
Does Dr. Yanina Greyf accept Medicare assignment?
Yes. Dr. Yanina Greyf accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Yanina Greyf commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (HCPCS 95251). Source: CMS Medicare Physician & Other Practitioners file.