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

Gregory E. Kobak, MD

Individual provider Pediatric Gastroenterology Physician · NPI 1851330138

Gregory E. Kobak, MD is a Gastroenterology in Aurora, Colorado. Graduated from Hahnemann University College of Medicine in 1997, 29 years ago. Practices with University Physicians Incorporated, a 3,148-clinician group and accepts Medicare assignment. Licensed in Colorado and Virginia.

Years since qualifying
29
Trained at
Hahnemann University College of Medicine
Licensed in
CO, VA
In the registry since
2006
Specialties on file
3
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

13123 E 16th Ave
Aurora, CO 80045-7106
Phone: (720) 777-1234
Fax: (720) 777-7277
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Gastroenterology Physician (primary) Taxonomy 2080P0206X · Licence 39946 (CO)
Pediatric Gastroenterology Physician Taxonomy 2080P0206X · Licence 0101234399 (VA)
Pediatrics Physician Taxonomy 208000000X · Licence 0101234399 (VA)

Record details

NPI number1851330138
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 5, 2006
Last updated in NPPESDecember 28, 2022
Certification dateDecember 28, 2022
Mailing addressPo Box 110429, Aurora, CO 80042-0429

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesPEDIATRIC MEDICINE
Medical schoolHAHNEMANN UNIVERSITY COLLEGE OF MEDICINE
Graduated 1997 (29 years in practice)
Group practice University Physicians Incorporated — 3148 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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