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

Melissa Diacon

Individual provider Mental Health Counselor · NPI 1427425594

Melissa Diacon is a Mental Health Counselor in Oklahoma City, Oklahoma. Practices as a sole proprietor. Licensed in Oklahoma.

Licensed in
OK
In the registry since
2015
Specialties on file
2
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Practice location Address checks out

4400 N Lincoln Blvd
Oklahoma City, OK 73105-5104
Phone: (405) 424-7711
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 215276 (OK)
Mental Health Counselor Taxonomy 101YM0800X

Record details

NPI number1427425594
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedAugust 25, 2015
Last updated in NPPESApril 23, 2026
Certification dateApril 23, 2026

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