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

MS. Catherine Louise Ly, DO

Individual provider Gastroenterology Physician · NPI 1750523783

MS. Catherine Louise Ly, DO is a Gastroenterology in Cleveland, Ohio. Qualified in 2009, 17 years ago. Practices with North Coast Professional Company, LLC, a 104-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois and Ohio.

Years since qualifying
17
Licensed in
IL, OH
In the registry since
2009
Specialties on file
2
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

9500 Euclid Ave
Cleveland, OH 44195-1143
Phone: (216) 444-2200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1775 W Dempster St, Park Ridge, IL 60068-1143 — (847) 723-6200

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 34.013947 (OH)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 036.129366 (IL)

Record details

NPI number1750523783
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 6, 2009
Last updated in NPPESJuly 8, 2019

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice North Coast Professional Company, Llc — 104 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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