Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Mahlon K. Stewart, PT, DPT, GCS

Individual provider Geriatric Physical Therapist · NPI 1952738973

Dr. Mahlon K. Stewart, PT, DPT, GCS is registered under Physical Therapist in Private Practice in New York, New York. Graduated from Columbia University College of Physicians and Surgeons in 2008, 18 years ago. Practices with Trustees of Columbia University in the City of New York, a 2,250-clinician group and accepts Medicare assignment. Licensed in New Jersey and New York.

Years since qualifying
18
Trained at
Columbia University College of Physicians and Surgeons
Licensed in
NJ, NY
In the registry since
2013
Specialties on file
2
What do these letters mean?
PT — Physical Therapist
A licensed therapist who treats movement, pain and injury.
DPT — Doctor of Physical Therapy
The doctoral degree now required to enter physical therapy practice.

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Practice location Address checks out

50 E 10th St Ste 2E
New York, NY 10003-6221 Not confirmed with CMS for 13 years — call before visiting
Phone: (917) 533-4166
Fax: (917) 300-0376
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Geriatric Physical Therapist (primary) Taxonomy 2251G0304X · Licence 030689 (NY)
Geriatric Physical Therapist Taxonomy 2251G0304X · Licence 40QA01288300 (NJ)

Record details

NPI number1952738973
Entity typeIndividual (Type 1)
GenderMale
Credentials PT , DPT , GCS
Sole proprietorYes
NPI enumeratedOctober 4, 2013
Last updated in NPPESOctober 4, 2013

Medicare enrollment

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

Medicare specialtyPHYSICAL THERAPIST IN PRIVATE PRACTICE
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 2008 (18 years in practice)
Group practice Trustees Of Columbia University In The City Of New York — 2250 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Colleagues at Trustees of Columbia University in the City of New York

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 2250 clinicians in the practice; 12 are shown here.

Other providers in New York