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Optometry

Randall R. Johnson, OD

Sees patients in Davenport, IA · Iowa

Summary

Randall R. Johnson, OD (Optometry) is enrolled with Medicare at 2 practice locations in Davenport, IA. NPI 1780640391. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

Call(563) 345‑2020 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Randall R. Johnson, 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

2Practice locations
OptometryPrimary specialty
YesAccepts Medicare assignment
27Years since medical school (graduated 1999)
New England College Of OptometryMedical school
MaleGender (as listed)

Quick answers

Where does Randall R. Johnson see patients?
Medicare's clinician data lists 2 practice locations, including Davenport, IA. Call before your visit to confirm the address.
What is Randall R. Johnson's specialty?
Medicare lists Optometry as the primary specialty.
Does Randall R. Johnson accept Medicare assignment?
Yes. Medicare's clinician data says Randall R. Johnson 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 Randall R. Johnson?
(563) 345-2020, as listed in official Medicare / NPI Registry data.
What is Randall R. Johnson's NPI number?
1780640391. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Randall R. Johnson is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other clinicians: Optometry, Iowa →

Other optometrists in Davenport

Clinicians with the same Medicare primary specialty in Davenport, IA — not a recommendation.

All optometrists in Davenport →

Clinician information

CredentialOD
Medical schoolNew England College Of Optometry
Graduation year1999
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1780640391
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians