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

Dr. Geoffrey Allan Block, MD

Individual provider Nephrology Physician · NPI 1861474140

Dr. Geoffrey Allan Block, MD is a Nephrology in Lone Tree, Colorado. Graduated from University of Cincinnati College of Medicine in 1991, 35 years ago. Practices with Rocky Mountain Kidney Care LLC, a 16-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
35
Trained at
University of Cincinnati College of Medicine
Licensed in
CO
In the registry since
2005
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

9777 S Yosemite St Ste 110
Lone Tree, CO 80124-3115
Phone: (720) 696-0852
Fax: (720) 696-0892
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Additional practice locations (1)

  • 1444 S Potomac St Ste 215, Aurora, CO 80012-4533 — (720) 500-3439

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence 36176 (CO)

Record details

NPI number1861474140
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 14, 2005
Last updated in NPPESApril 22, 2022
Certification dateApril 22, 2022

Medicare enrollment

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

Medicare specialtyNEPHROLOGY
Medical schoolUNIVERSITY OF CINCINNATI COLLEGE OF MEDICINE
Graduated 1991 (35 years in practice)
Group practice Rocky Mountain Kidney Care Llc — 16 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Lone Tree