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

Matthew Grigg

Individual provider Physical Therapist · NPI 1952137192

Matthew Grigg is a Physical Therapist in Private Practice in Clarksburg, Maryland. Qualified in 2024, 2 years ago. Practices with Ati Holdings, LLC, a 439-clinician group and accepts Medicare assignment. Licensed in Florida.

Years since qualifying
2
Licensed in
FL
In the registry since
2024
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Practice location Address checks out

22750 Newcut Rd Ste D-1A
Clarksburg, MD 20871-5333
Phone: (301) 250-2146
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physical Therapist (primary) Taxonomy 225100000X · Licence PT43809 (FL)

Record details

NPI number1952137192
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedSeptember 13, 2024
Last updated in NPPESMay 11, 2026
Certification dateMay 11, 2026
Mailing address790 Remington Blvd, Bolingbrook, IL 60440-4909

Medicare enrollment

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

Medicare specialtyPHYSICAL THERAPIST IN PRIVATE PRACTICE
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Group practice Ati Holdings, Llc — 439 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Clarksburg