Individual
GEOFFREY DOUGLAS BLOCK
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
MD
Taxonomy
Speciality
Code
Description
License number
State
207RG0100X
Gastroenterology Physician
131448
CA
207RG0100X
Gastroenterology Physician
Primary
57637
AZ
207RG0100X
Gastroenterology Physician
MD041854E
PA
207RI0008X
Hepatology Physician
57637
AZ
207RI0008X
Hepatology Physician
G131448
CA
207RI0008X
Hepatology Physician
MD041854E
PA
207RT0003X
Transplant Hepatology Physician
041854E
PA
207RT0003X
Transplant Hepatology Physician
57637
AZ
207RT0003X
Transplant Hepatology Physician
G131448
CA
Other
Enumeration date
07/07/2005
Last updated
07/17/2026
Update your record
If you believe information in your NPPES record is inaccurate, or if you wish to update or deactivate your NPI, you can do so directly with CMS at https://nppes.cms.hhs.gov.
About Stedi
Stedi is the only programmable healthcare clearinghouse. You can use Stedi's APIs to process eligibility checks, claims, remits, and more.
Sign up