Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mr. Gregory Bret Neilsen, MPT

Individual provider Physical Therapist · NPI 1851301311

Mr. Gregory Bret Neilsen, MPT is a Physical Therapist in Private Practice in Lake Ronkonkoma, New York. Qualified in 2001, 25 years ago. Practices with Gnlc Physical Therapy PLLC, a 2-clinician group. Licensed in New York.

Years since qualifying
25
Licensed in
NY
In the registry since
2006
What do these letters mean?
MPT — Master of Physical Therapy
The master's-level physical therapy degree awarded before the DPT became standard.

See every abbreviation used in this directory →

Practice location Address checks out

500 Portion Rd Ste 5
Lake Ronkonkoma, NY 11779
Phone: (631) 588-2100
Fax: (631) 588-2299
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physical Therapist (primary) Taxonomy 225100000X · Licence 22606 (NY)

Record details

NPI number1851301311
Entity typeIndividual (Type 1)
GenderMale
Credentials MPT
Sole proprietorNo
NPI enumeratedAugust 8, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICAL THERAPIST IN PRIVATE PRACTICE
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Gnlc Physical Therapy Pllc — 2 clinicians
Accepts Medicare assignment Not indicated

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