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

DR. JOHN WILLIAM CAMPBELL PHD, MS, CCC-SLP
NPI 1386683142
Speech-Language Pathologist in Oklahoma City, OK

Active since June 06, 2006
921 NE 13TH ST, OKLAHOMA CITY, OK 73104(405) 270-0501 Get Directions Write a Review

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

About Dr. John William Campbell Phd, Ms, Ccc-slp NPPES

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

DR. JOHN WILLIAM CAMPBELL PHD, MS, CCC-SLP (NPI 1386683142) is an individual speech-language pathologist provider in Oklahoma City, Oklahoma, licensed in Oklahoma (2472) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1386683142
Entity TypeIndividualMale
Primary Taxonomy235Z00000X
Provider Legal NameDR. JOHN WILLIAM CAMPBELLCredential: PHD, MS, CCC-SLP
Location Address921 NE 13TH STOklahoma City, OK 73104-5007
Mailing Address2409 Northwood LnEdmond, OK 73013-5633 · (405) 478-4822
Phone(405) 270-0501
Sole ProprietorNo
Enumeration DateJune 6, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1386683142 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers
Taxonomy Code235Z00000X
License✔ Licensed in OK · 2472
Definition
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.
921 NE 13TH ST, Oklahoma City, OK 73104
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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. JENNIFER KATHLEEN HINKLE MD
Radiology (Diagnostic Radiology)
921 NE 13TH ST
OKLAHOMA CITY, OK 73104
Oklahoma County (405) 456-2589
ADIL TUMBI MD
Psychiatry & Neurology (Psychiatry)
921 NE 13TH ST
OKLAHOMA CITY, OK 73104
Oklahoma County (405) 456-3184
MONICA GARRETT
Social Worker (Clinical)
921 NE 13TH ST
OKLAHOMA CITY, OK 73104
Oklahoma County (405) 456-1000
REBEKAH LEA MAXWELL RD
Dietitian, Registered
921 NE 13TH ST
OKLAHOMA CITY, OK 73104
Oklahoma County (405) 456-1000
NICOLE DENISE FLEMING LCSW
Social Worker (Clinical)
921 NE 13TH ST
OKLAHOMA CITY, OK 73104
Oklahoma County (405) 456-1000
DR. HANIFAH JAMILAH DAVIS PHARM.D.
Pharmacist
921 NE 13TH ST
OKLAHOMA CITY, OK 73104
Oklahoma County (405) 456-4131
DR. CRYSTAL RAJAN
Dentist
921 NE 13TH ST
OKLAHOMA CITY, OK 73104
Oklahoma County (405) 456-1000
BROOKS WINN PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
921 NE 13TH ST
OKLAHOMA CITY, OK 73104
Oklahoma County (405) 614-3865

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 John Campbell's NPI number?

The NPI number for John Campbell is 1386683142. It was assigned to this individual provider in the NPPES registry on June 6, 2006.

Where is John Campbell located?

John Campbell practices at 921 NE 13th St, Oklahoma City, OK 73104. The listed phone number is (405) 270-0501.

What is John Campbell's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

When was this NPI record last updated?

The NPPES record for John Campbell 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.