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

Gregory Raphael Kotnis, MD

Individual provider Anatomic Pathology & Clinical Pathology Physician · NPI 1740336429

Gregory Raphael Kotnis, MD is a Pathology in Denver, Colorado. Qualified in 2006, 20 years ago. Practices with Eastern Great Lakes Pathology PC, a 14-clinician group and accepts Medicare assignment. Licensed in Colorado and Virginia.

Years since qualifying
20
Licensed in
CO, VA
In the registry since
2007
Specialties on file
2
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

6116 E Warren Ave
Denver, CO 80222-5703
Phone: (303) 512-2299
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anatomic Pathology & Clinical Pathology Physician (primary) Taxonomy 207ZP0102X · Licence DR.0050096 (CO)
Anatomic Pathology & Clinical Pathology Physician Taxonomy 207ZP0102X · Licence 0101252050 (VA)

Record details

NPI number1740336429
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 26, 2007
Last updated in NPPESSeptember 24, 2015

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Group practice Eastern Great Lakes Pathology Pc — 14 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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