Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. John William Campbell, PHD, MS, CCC-SLP

Individual provider Speech-Language Pathologist · NPI 1386683142

Dr. John William Campbell, PHD, MS, CCC-SLP is a Speech-Language Pathologist in Oklahoma City, Oklahoma. Licensed in Oklahoma. Registered with an NPI since 2006.

Licensed in
OK
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
MS — Master of Science
A graduate science degree.
CCC-SLP — Certificate of Clinical Competence in Speech-Language Pathology
A speech-language pathologist certified by ASHA.

See every abbreviation used in this directory →

Practice location Address checks out

921 NE 13th St
Oklahoma City, OK 73104-5007
Phone: (405) 270-0501
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X · Licence 2472 (OK)

Record details

NPI number1386683142
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD , MS , CCC-SLP
Sole proprietorNo
NPI enumeratedJune 6, 2006
Last updated in NPPESJuly 13, 2026

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