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

Mrs. Ellen McLain, RN

Individual provider Emergency Registered Nurse · NPI 1053844365

Mrs. Ellen McLain, RN is a Nurse Practitioner in Oklahoma City, Oklahoma. Qualified in 2017, 9 years ago. Practices with Mercy Oklahoma Ambulatory Services LLC, a 45-clinician group and accepts Medicare assignment. Licensed in Oklahoma.

Years since qualifying
9
Licensed in
OK
In the registry since
2017
Specialties on file
2
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

5501 N Portland Ave
Oklahoma City, OK 73112-2074
Phone: (405) 604-6205
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 83116 (OK)
Emergency Registered Nurse Taxonomy 163WE0003X · Licence 83116 (OK)

Record details

NPI number1053844365
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN
Sole proprietorNo
NPI enumeratedApril 5, 2017
Last updated in NPPESJune 28, 2017
Mailing address5501 N Portland Ave, Oklahoma City, OK 73112-2074

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Mercy Oklahoma Ambulatory Services Llc — 45 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Oklahoma City