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

Crystal Marcum, APRN

Individual provider Registered Nurse · NPI 1639573041

Crystal Marcum, APRN is a Nurse Practitioner in Shawnee, Oklahoma. Qualified in 2019, 7 years ago. Practices with Citizen Potawatomi Nation, a 35-clinician group and accepts Medicare assignment. Licensed in Oklahoma.

Years since qualifying
7
Licensed in
OK
In the registry since
2014
Specialties on file
2
What do these letters mean?
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.

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Practice location Address checks out

781 Grand Casino Blvd
Shawnee, OK 74804-1005
Phone: (405) 964-5770
Fax: (405) 964-5788
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 114855 (OK)
Registered Nurse Taxonomy 163W00000X · Licence 114855 (OK)

Record details

NPI number1639573041
Entity typeIndividual (Type 1)
GenderFemale
Credentials APRN
Sole proprietorNo
NPI enumeratedOctober 14, 2014
Last updated in NPPESJune 26, 2019

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Citizen Potawatomi Nation — 35 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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