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DR. WILLIAM TRASK JOHNSON MD
NPI 1669162673
Pediatrics - Pediatric Emergency Medicine in Memphis, TN

Active since May 11, 2023
920 MADISON AVE STE 447, MEMPHIS, TN 38103(901) 287-5265(901) 287-5062 Get Directions Write a Review

NPPES record last updated: May 27, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 27, 2026, May 11, 2023 (2 updates tracked since 2023).

About Dr. William Trask Johnson Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM TRASK JOHNSON MD (NPI 1669162673) is an individual pediatric emergency medicine provider in Memphis, Tennessee, licensed in Tennessee (77450) and active in the NPI registry since May 2023.

NPPES Registry Identity

NPI1669162673
Entity TypeIndividualMale
Primary Taxonomy2080P0204X
Provider Legal NameDR. WILLIAM TRASK JOHNSONCredential: MD
Location Address920 MADISON AVE STE 447Memphis, TN 38103-3438
Mailing Address50 N Dunlap StMemphis, TN 38103-2800 · (901) 287-5265 · Fax (901) 287-5062
Phone(901) 287-5265
Fax(901) 287-5062
Sole ProprietorYes
Enumeration DateMay 11, 2023
Last NPPES UpdateMay 27, 20262 updates tracked since enumeration
NPPES CertifiedMay 27, 2026
✔ NPI 1669162673 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Emergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0204X
License✔ Licensed in TN · 77450
Definition
A pediatrician who has special qualifications to manage emergencies in infants and children.
920 MADISON AVE STE 447, Memphis, TN 38103
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. DAVID EDWARD ZIMMERHANZEL MD
Student in an Organized Health Care Education/Training Program
920 MADISON AVE STE 447
MEMPHIS, TN 38103
Shelby County (901) 448-5364
DR. AMIE RAE MILLER M.D.
Plastic Surgery
920 MADISON AVE STE 447
MEMPHIS, TN 38103
Shelby County (901) 448-1350
BRADLEY PEARCE HAMBLY
Student in an Organized Health Care Education/Training Program
920 MADISON AVE STE 447
MEMPHIS, TN 38103
Shelby County (615) 284-3387
ADAM SCHWARTZ
Student in an Organized Health Care Education/Training Program
920 MADISON AVE STE 447
MEMPHIS, TN 38103
Shelby County (901) 448-1010
KASHIF ALI
Internal Medicine (Nephrology)
920 MADISON AVE STE 447
MEMPHIS, TN 38103
Shelby County (901) 448-3714
DR. ERNEST WALTER METELUS MD
Student in an Organized Health Care Education/Training Program
920 MADISON AVE STE 447
MEMPHIS, TN 38103
Shelby County (901) 287-6756
AMITAI MILLER MD/MPP
Student in an Organized Health Care Education/Training Program
920 MADISON AVE STE 447
MEMPHIS, TN 38103
Shelby County (901) 448-7635
VICTORIA MARIE SCHLESINGER
Student in an Organized Health Care Education/Training Program
920 MADISON AVE STE 447
MEMPHIS, TN 38103
Shelby County (901) 448-0230

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Johnson's NPI number?

The NPI number for William Johnson is 1669162673. It was assigned to this individual provider in the NPPES registry on May 11, 2023.

Where is William Johnson located?

William Johnson practices at 920 Madison Ave Ste 447, Memphis, TN 38103. The listed phone number is (901) 287-5265.

What is William Johnson's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.

When was this NPI record last updated?

The NPPES record for William Johnson was last updated on May 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.