Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Gregory O'Brien, DPT, CSCS

Individual provider Physical Therapist · NPI 1447663505

Gregory O'Brien, DPT, CSCS is a Physical Therapist in Private Practice in Marion, Iowa. Qualified in 2009, 17 years ago. Practices with Ability Physical Therapy PC, a 14-clinician group and accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
17
Licensed in
IA
In the registry since
2014
What do these letters mean?
DPT — Doctor of Physical Therapy
The doctoral degree now required to enter physical therapy practice.

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Practice location Address checks out

999 44th St Ste 10 000
Marion, IA 52302-3846
Phone: (319) 373-7311
Fax: (319) 373-7313
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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 004514 (IA)

Record details

NPI number1447663505
Entity typeIndividual (Type 1)
GenderMale
Credentials DPT , CSCS
Sole proprietorNo
NPI enumeratedJune 6, 2014
Last updated in NPPESJuly 16, 2025
Certification dateJuly 16, 2025
Mailing address999 44th St, Suite 10,000, Marion, IA 52302-3846

Medicare enrollment

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

Medicare specialtyPHYSICAL THERAPIST IN PRIVATE PRACTICE
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Ability Physical Therapy Pc — 14 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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