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

Doreen Marie Delong, APN

Individual provider Adult Psychiatric/Mental Health Clinical Nurse Specialist · NPI 1750511861

Doreen Marie Delong, APN is an Adult Psychiatric/Mental Health Clinical Nurse Specialist in Duncan, Oklahoma. Licensed in Oklahoma. Registered with an NPI since 2009.

Licensed in
OK
In the registry since
2009
What do these letters mean?
APN — Advanced Practice Nurse
The umbrella title some states use for nurse practitioners and other advanced practice nurses.

See every abbreviation used in this directory →

Practice location Address checks out

1308 Jackie Rd
Duncan, OK 73533-1565
Phone: (580) 251-8250
Show map & directions

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

Specialties & licences

Adult Psychiatric/Mental Health Clinical Nurse Specialist (primary) Taxonomy 364SP0809X · Licence 47480 (OK)

Record details

NPI number1750511861
Entity typeIndividual (Type 1)
GenderFemale
Credentials APN
Sole proprietorNo
NPI enumeratedJuly 23, 2009
Last updated in NPPESMay 20, 2020
Certification dateMay 20, 2020