Doctor profile · Federal record
Dr. Kristina Grehan
Family Nurse Practitioner · Syosset, NY
- NPI 1992138218
- MIPS 85.0 / 100 · 2023
- 13 yrs on file
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
2 Spruce Park
Syosset, NY 117914213
(516) 496-2932
Credentials & registration
- NPI registered
- August 2013 — 13 yrs on file
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- New York #F338161-1
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1992138218. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
11
Distinct HCPCS
1
Medicare allowed
$990
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 11 | 11 | $90 |
In context: peer comparison
Among 2 peers in Syosset Family Nurse Practitioner, average services per provider: 57. This provider delivers 0.2× the peer median.Open Payments
Industry payments received
All-time total
$85
Transactions
4
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Atricure, INC. | 4 | $84.79 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
18
Patients
17
Total drug cost
$619
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Metoprolol Succinate | Generic | 18 | 17 | $619 |
Frequently asked questions
What is Dr. Kristina Grehan's medical specialty?
Dr. Kristina Grehan practices Family Nurse Practitioner in Syosset, NY.
Where does Dr. Kristina Grehan practice?
Dr. Kristina Grehan practices at 2 Spruce Park, Syosset, NY 117914213. Office phone: 5164962932.
What is Dr. Kristina Grehan's NPI?
Dr. Kristina Grehan's National Provider Identifier (NPI) is 1992138218, issued by NPPES.
What procedures does Dr. Kristina Grehan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.