Doctor profile · Federal record
Dr. Nicole Grehn, AGPCNP-C
Adult Health Nurse Practitioner (CMS: Nurse Practitioner) · Registered Nurse · Brightwaters, NY
- NPI 1528729563
- Accepts Medicare
- MIPS 5.7 / 100 · 2023
- 6 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
234 Orinoco Dr
Brightwaters, NY 117181822
(631) 300-0797
fax (631) 647-8429 - Mailing address
-
871 Grand St Apt 5B
Brooklyn, NY 112114103
Credentials & registration
- NPI registered
- January 2022 — 4 yrs on file
- Year of graduation
- 2020 — 6 yrs since
- Specialty taxonomy
- 363LA2200X — NUCC code
- State licenses (2)
- New York #F310519 · New York #801426
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1528729563. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,277
Distinct HCPCS
8
Medicare allowed
$219,882
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99308 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 1,067 | 476 | $73 | |
99305 |
Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes | 481 | 476 | $130 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 307 | 153 | $126 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 186 | 108 | $89 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 107 | 107 | $166 | |
99307 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes | 58 | 52 | $38 | |
99304 |
Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 37 | 37 | $79 | |
20610 |
Aspiration and/or injection of fluid from large joint | 34 | 30 | $46 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 284. This provider delivers 8.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
46
Patients
0
Total drug cost
$1,078
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gabapentin | Generic | 35 | 0 | $559 |
| Duloxetine Hcl | Generic | 11 | 0 | $519 |
Frequently asked questions
What is Dr. Nicole Grehn's medical specialty?
Dr. Nicole Grehn practices Adult Health Nurse Practitioner in Brightwaters, NY.
Where does Dr. Nicole Grehn practice?
Dr. Nicole Grehn practices at 234 Orinoco Dr, Brightwaters, NY 117181822. Office phone: 6313000797.
What is Dr. Nicole Grehn's NPI?
Dr. Nicole Grehn's National Provider Identifier (NPI) is 1528729563, issued by NPPES.
Does Dr. Nicole Grehn accept Medicare assignment?
Yes. Dr. Nicole Grehn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicole Grehn commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Initial nursing facility care with moderate level of medical decision making (HCPCS 99305); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.