Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1043031123 Individual Practitioner Female Practitioner

Sierra Nicole Cook , CPRSS, CMI

Peer Specialist • Norman, OK

Public Directory Information & Medical Disclaimer

This profile is compiled from official public domain records provided by CMS and the NPPES registry. TRUE-MEDINFO is an independent reference directory and does not provide medical advice, diagnosis, or treatment recommendations. Always consult a licensed medical professional for personal health decisions.

Professional Overview & Biography Verified Profile Summary

Sierra Cook, CPRSS, CMI is a registered healthcare professional specializing in Peer Specialist in Norman, OK. Official NPI practice address is registered at 1120 E MAIN ST.

Practice Location & Contact Primary Location

Practice Address

1120 E Main St

Norman, OK 730715300

Telephone 4053605100
Associated Practice Facility / Clinic
🏢 State Of Oklahoma Facility NPI 1427217470

Specialty Benchmarks & Practice Insights

Comparative analytics for Peer Specialist in Norman, OK

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.5 Yrs
State Avg: 10.2 Yrs
Regional Practice Density
118 Specialists

Practicing in Norman, OK (5280 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2025-10-05
Peer Specialist Primary Specialty

NUCC Taxonomy Code: 175T00000X

Individuals certified to perform peer support services through a training process defined by a government agency, such as the Department of Veterans Affairs or a state mental health department/certification/licensing authority.

Case Manager/Care Coordinator

NUCC Taxonomy Code: 171M00000X

A person who provides case management services and assists an individual in gaining access to needed medical, social, educational, and/or other services. The person has the ability to provide an assessment and review of completed plan of care on a periodic basis. This person is also able to take collaborative action to coordinate the services with other providers and monitor the enrollee's progress toward the cost-effective achievement of objectives specified in the plan of care. Credentials may vary from an experience in the fields of psychology, social work, rehabilitation, nursing or a closely related human service field, to a related Assoc of Arts Degree or to nursing credentials. Some states may require certification in case management.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Samia Khan

Case Manager/Care Coordinator

NPI 1003361122
Sebrina Kays , C-PRSS

Peer Specialist

NPI 1003677980

CPRSS

NPI 1003776402
Naomi Hankins , LPC

Counselor - Professional

NPI 1013346964

Licensed Professional Counselor

Teresa Garcia

Peer Specialist

NPI 1023484003
Katricia Gilbert

Peer Specialist

NPI 1023528502

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events
👤
Provider Name / Credentials Updated October 05, 2025

Recorded as SIERRA COOK, CPRSS & CMI

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 05, 2025

Case Manager/Care Coordinator

NPI Profile Active October 21, 2024

NPI status registered as active in NPPES database

📍
Updated Practice Location October 21, 2024

Registered at 1120 E MAIN ST, NORMAN, OK 730715300 (Tel: 4053605100)

📍
Updated Business Mailing Address October 21, 2024

Registered at 3526 SE 40TH ST, NORMAN, OK 730729759

👤
Provider Name / Credentials Updated October 21, 2024

Recorded as SIERRA COOK, CPRSS

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 21, 2024

Peer Specialist

🟢
Initial NPI Registration & Enumeration October 21, 2024

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1043031123
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: October 21, 2024
Last Update: October 05, 2025
Sole Proprietor: No

Mailing Address

3526 Se 40th St

Norman, OK 730729759

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.