Doctor profile · Federal record
Dr. Gregory Neilsen, MPT
Physical Therapist (CMS: Physical Therapist in Private Practice) · Lake Ronkonkoma, NY
- NPI 1851301311
- 25 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
500 Portion RD, Suite 5
Lake Ronkonkoma, NY 11779
(631) 588-2100
fax (631) 588-2299
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 225100000X — NUCC code
- State license (1)
- New York #22606
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1851301311. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,106
Distinct HCPCS
5
Medicare allowed
$58,399
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
97110 |
Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes | 949 | 60 | $28 | |
97140 |
Therapy procedure using manual technique, each 15 minutes | 865 | 54 | $22 | |
97530 |
Therapy procedure using functional activities | 217 | 19 | $38 | |
97164 |
Re-evaluation for physical therapy, typically 20 minutes | 41 | 29 | $46 | |
97161 |
Evaluation for physical therapy, typically 20 minutes | 34 | 31 | $84 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 619. This provider delivers 3.4× the peer median.Frequently asked questions
What is Dr. Gregory Neilsen's medical specialty?
Dr. Gregory Neilsen practices Physical Therapist in Lake Ronkonkoma, NY.
Where does Dr. Gregory Neilsen practice?
Dr. Gregory Neilsen practices at 500 Portion RD, Lake Ronkonkoma, NY 11779. Office phone: 6315882100.
What is Dr. Gregory Neilsen's NPI?
Dr. Gregory Neilsen's National Provider Identifier (NPI) is 1851301311, issued by NPPES.
Does Dr. Gregory Neilsen accept Medicare assignment?
Dr. Gregory Neilsen does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Gregory Neilsen commonly perform?
Top Medicare-reported procedures in 2023: Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility (HCPCS 97110); Therapy procedure using manual technique (HCPCS 97140); Therapy procedure using functional activities (HCPCS 97530). Source: CMS Medicare Physician & Other Practitioners file.