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

Geoffrey Douglas Block, MD

Individual provider Transplant Hepatology Physician · NPI 1942208608

Geoffrey Douglas Block, MD is an Internal Medicine in Tucson, Arizona. Qualified in 1986, 40 years ago. Practices with Banner-University Medical Group, a 1,071-clinician group and accepts Medicare assignment. Licensed in Arizona and California.

Years since qualifying
40
Licensed in
AZ, CA
In the registry since
2005
Specialties on file
6
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

4407 N Sabino Mountain Dr
Tucson, AZ 85750-6927
Phone: (412) 967-9450
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 57637 (AZ)
Transplant Hepatology Physician Taxonomy 207RT0003X · Licence G131448 (CA)
Transplant Hepatology Physician Taxonomy 207RT0003X · Licence 57637 (AZ)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 131448 (CA)
Hepatology Physician Taxonomy 207RI0008X · Licence 57637 (AZ)
Hepatology Physician Taxonomy 207RI0008X · Licence G131448 (CA)

Record details

NPI number1942208608
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 7, 2005
Last updated in NPPESJuly 17, 2026
Certification dateJuly 17, 2026
Mailing address4407 N Sabino Mountain Dr, Tucson, AZ 85750-6927

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesGASTROENTEROLOGY
Medical schoolOTHER
Graduated 1986 (40 years in practice)
Group practice Banner-University Medical Group — 1071 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount