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Internal Medicine

William G. Johnson, MD

Sees patients in Saint Albans, NY · New York

Summary

William G. Johnson, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Saint Albans, NY. NPI 1992791420. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about William G. 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
43Years since medical school (graduated 1983)
New York University School Of MedicineMedical school
MaleGender (as listed)

Quick answers

Where does William G. Johnson see patients?
Medicare's clinician data lists 1 practice location in Saint Albans, NY. Call before your visit to confirm the address.
What is William G. Johnson's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does William G. Johnson accept Medicare assignment?
Yes. Medicare's clinician data says William G. 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 William G. Johnson?
(718) 723-1769, as listed in official Medicare / NPI Registry data.
What is William G. Johnson's NPI number?
1992791420. 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 William G. Johnson is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in New York

Clinicians with the same Medicare primary specialty in New York — not a recommendation.

All internal medicine doctors in New York →

Clinician information

CredentialMD
Medical schoolNew York University School Of Medicine
Graduation year1983
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1992791420
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