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Internal Medicine

Geoffrey D. Block, MD

Works at hospitals in Lodi, CA · Tucson, AZ · California, Arizona

Summary

Geoffrey D. Block, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Lodi, CA and Tucson, AZ. NPI 1942208608. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Geoffrey D. Block, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
40Years since medical school (graduated 1986)
MaleGender (as listed)
Banner-University Medical GroupGroup practice

Quick answers

Which hospitals does Geoffrey D. Block work at?
Medicare's official clinician data lists Geoffrey D. Block at 2 hospitals: Adventist Health Lodi Memorial and Banner - University Medical Center Tucson Campus. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Geoffrey D. Block see patients?
Medicare's clinician data lists 2 practice locations, including Tucson, AZ. Call before your visit to confirm the address.
What is Geoffrey D. Block's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Gastroenterology.
Does Geoffrey D. Block accept Medicare assignment?
Yes. Medicare's clinician data says Geoffrey D. Block accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Geoffrey D. Block?
(520) 874-2000, as listed in official Medicare / NPI Registry data.
What is Geoffrey D. Block's NPI number?
1942208608. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Geoffrey D. Block works

Medicare's Facility Affiliation Data lists Geoffrey D. Block at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Geoffrey D. Block is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Geoffrey D. Block as a member of this group (CMS data updated 2026-10-02).

  • Banner-University Medical Group1,072 clinicians in the group

Specialties

Find other Internal Medicine doctors in Arizona →

Other internal medicine doctors in Tucson

Clinicians with the same Medicare primary specialty in Tucson, AZ — not a recommendation.

All internal medicine doctors in Tucson →

Clinician information

CredentialMD
Graduation year1986
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1942208608
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians