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.

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Practice location Address checks out

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

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

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