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

Mark Whitsitt, DPT

Individual provider Physical Therapist · NPI 1275016511

Mark Whitsitt, DPT is a Physical Therapist in Private Practice in Lake Zurich, Illinois. Qualified in 2018, 8 years ago. Practices with Athletic and Therapeutic Institute of Bourbonnais, LLC, a 170-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
8
Licensed in
IL
In the registry since
2018
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

573 W Route 22
Lake Zurich, IL 60047
Phone: (847) 796-3320
Fax: (847) 796-3342
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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 070023983 (IL)

Record details

NPI number1275016511
Entity typeIndividual (Type 1)
GenderMale
Credentials DPT
Sole proprietorNo
NPI enumeratedSeptember 12, 2018
Last updated in NPPESOctober 3, 2025
Certification dateOctober 3, 2025
Mailing address2001 Butterfield Rd Ste 1600, Downers Grove, IL 60515-1211

Medicare enrollment

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

Medicare specialtyPHYSICAL THERAPIST IN PRIVATE PRACTICE
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Athletic And Therapeutic Institute Of Bourbonnais, Llc — 170 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Lake Zurich