Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. JAMES WILLIAM WALKER SR. MD
NPI 1235172974
Pediatrics in Jacksonville, FL

Q: What is James Walker's NPI number?

The NPI number for James Walker is 1235172974. It was assigned to this individual provider in the NPPES registry on June 13, 2006.

Q: What is James Walker's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for James Walker was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 days 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.

Active since June 13, 2006

4957 ARAPAHOE AVE, JACKSONVILLE, FL 32210(904) 384-2004 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. James William Walker Sr. Md NPPES

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

DR. JAMES WILLIAM WALKER SR. MD (NPI 1235172974) is an individual pediatrics provider in Jacksonville, Florida, licensed in Florida (ME5533) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1235172974

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameDR. JAMES WILLIAM WALKER SR.Credential: MD

Location Address4957 ARAPAHOE AVEJacksonville, FL 32210

Mailing Address4957 Arapahoe AveJacksonville, FL 32210 · (904) 384-2004

Phone(904) 384-2004

Sole ProprietorNo

Enumeration DateJune 13, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1235172974 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in FL · ME5533

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

4957 ARAPAHOE AVE, Jacksonville, FL 32210

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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 James Walker's NPI number?

The NPI number for James Walker is 1235172974. It was assigned to this individual provider in the NPPES registry on June 13, 2006.

Where is James Walker located?

James Walker practices at 4957 Arapahoe Ave, Jacksonville, FL 32210. The listed phone number is (904) 384-2004.

What is James Walker's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

When was this NPI record last updated?

The NPPES record for James Walker was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 days 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.