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

Dr. Leon Samuel Greos, MD

Individual provider Allergy & Immunology Physician · NPI 1003887738

Dr. Leon Samuel Greos, MD is an Allergy & Immunology Physician in Centennial, Colorado. Licensed in Colorado. Registered with an NPI since 2006.

Licensed in
CO
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

13111 E Briarwood Ave Ste 340
Centennial, CO 80112-3913
Phone: (303) 632-3694
Fax: (303) 632-3692
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Allergy & Immunology Physician (primary) Taxonomy 207K00000X · Licence DR.0028923 (CO)

Record details

NPI number1003887738
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 31, 2006
Last updated in NPPESMay 4, 2021
Certification dateMay 4, 2021
Mailing address125 Rampart Way Ste 200, Denver, CO 80230-6429

Other providers in Centennial