Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

CHARLES FELZEN JOHNSON MD
NPI 1235121666
Pediatrics - Developmental - Behavioral Pediatrics in Columbus, OH

Q: What is Charles Johnson's NPI number?

The NPI number for Charles Johnson is 1235121666. It was assigned to this individual provider in the NPPES registry on August 22, 2005.

Q: What is Charles Johnson's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Developmental - Behavioral Pediatrics, with taxonomy code 2080P0006X.

Q: When was this NPI record last updated?

The NPPES record for Charles Johnson was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since August 22, 2005

555 S 18TH ST, COLUMBUS, OH 43205(614) 722-4554(614) 722-4565 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

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About Charles Felzen Johnson Md NPPES

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

CHARLES FELZEN JOHNSON MD (NPI 1235121666) is an individual developmental - behavioral pediatrics provider in Columbus, Ohio, licensed in Ohio (35046983) and active in the NPI registry since August 2005.

NPPES Registry Identity

NPI1235121666

Entity TypeIndividualMale

Primary Taxonomy2080P0006X

Provider Legal NameCHARLES FELZEN JOHNSONCredential: MD

Location Address555 S 18TH STColumbus, OH 43205-2654

Mailing Address555 S 18th StColumbus, OH 43205-2654 · (614) 722-4554 · Fax (614) 722-4565

Phone(614) 722-4554

Fax(614) 722-4565

Sole ProprietorNo

Enumeration DateAugust 22, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1235121666 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Developmental - Behavioral PediatricsAllopathic & Osteopathic Physicians

Taxonomy Code2080P0006X

License✔ Licensed in OH · 35046983

Definition

A developmental-behavioral specialist is a pediatrician with special training and experience who aims to foster understanding and promotion of optimal development of children and families through research, education, clinical care and advocacy efforts. This physician assists in the prevention, diagnosis, and management of developmental difficulties and problematic behaviors in children and in the family dysfunctions that compromise children's development.

555 S 18TH ST, Columbus, OH 43205

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Other Identifiers 3

Other64789324KY · Medicaid

Other0105315000WV · Medicaid

Medicaid0476560OH

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.

MICHAEL THOMAS BRADY MD

Pediatrics (Pediatric Infectious Diseases)