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

Dr. Terry Howland Knowles, DO

Individual provider Family Medicine Physician · NPI 1790943918

Dr. Terry Howland Knowles, DO is a Family Practice in Potsdam, New York. Graduated from West Virginia School of Osteopathic Medicine in 2007, 19 years ago. Practices with Legacy Healthcare Services Inc, a 3,624-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
19
Trained at
West Virginia School of Osteopathic Medicine
Licensed in
NY
In the registry since
2008
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

50 Leroy St
Potsdam, NY 13676-1786
Phone: (315) 265-3300
Fax: (315) 714-3068
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 253764 (NY)

Record details

NPI number1790943918
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 23, 2008
Last updated in NPPESNovember 11, 2013
Mailing address50 Leroy St, Potsdam, NY 13676-1786

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolWEST VIRGINIA SCHOOL OF OSTEOPATHIC MEDICINE
Graduated 2007 (19 years in practice)
Group practice Legacy Healthcare Services Inc — 3624 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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