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

Dr. Gregory J Louis, MD

Individual provider Specialist · NPI 1346237344

Dr. Gregory J Louis, MD is an Ophthalmology in Euclid, Ohio. Graduated from University of Cincinnati College of Medicine in 1983, 43 years ago. Practices with Cei Physicians PSC, LLC, a 153-clinician group and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
43
Trained at
University of Cincinnati College of Medicine
Licensed in
OH
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

26300 Euclid Ave Ste 312
Euclid, OH 44132-3708
Phone: (216) 574-8900
Fax: (216) 731-2627
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence 35052070 (OH)

Record details

NPI number1346237344
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 4, 2005
Last updated in NPPESFebruary 9, 2010

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolUNIVERSITY OF CINCINNATI COLLEGE OF MEDICINE
Graduated 1983 (43 years in practice)
Group practice Cei Physicians Psc, Llc — 153 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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