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Active NPI 1922505593 Individual Practitioner Female Practitioner

Heather Hollingsworth Hallmark , MSN, APRN-C, AGPCNP

Nurse Practitioner • Oklahoma City, 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

Heather Hallmark, MSN, APRN-C, AGPCNP is a registered healthcare professional specializing in Nurse Practitioner in Oklahoma City, OK. Official NPI practice address is registered at 921 NE 13TH ST.

Practice Location & Contact Primary Location

Practice Address

921 Ne 13th St

Oklahoma City, OK 731045007

Telephone 4054563409
Fax 4054565390
Associated Practice Facility / Clinic
🏢 Oklahoma City Vamc Facility NPI 1043278211

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Oklahoma City, OK

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.0 Yrs
State Avg: 11.4 Yrs
Regional Practice Density
178 Specialists

Practicing in Oklahoma City, OK (715 Statewide)

Telehealth Adoption Rate
15.2% 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: 2022-02-09
Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License OK 99801

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Practice Associates & Co-Workers

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

2 Associated Practitioners
Dr. John Houck , MD

Otolaryngology

NPI 1023086329

Doctor of Medicine (M.D.)

NPI 1609862093

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events
📍
Updated Practice Location February 09, 2022

Registered at 921 NE 13TH ST, OKLAHOMA CITY, OK 731045007 (Tel: 4054563409)

📍
Updated Business Mailing Address February 09, 2022

Registered at 921 NE 13TH ST FL SERVICE4, OKLAHOMA CITY, OK 731045007 (Tel: 4054563409)

NPI Profile Active April 10, 2018

NPI status registered as active in NPPES database

📍
Updated Practice Location April 10, 2018

Registered at 544 NW 172ND PL, EDMOND, OK 730126778 (Tel: 8172299735)

📍
Updated Business Mailing Address April 10, 2018

Registered at 544 NW 172ND PL, EDMOND, OK 730126778 (Tel: 8172299735)

👤
Provider Name / Credentials Updated April 10, 2018

Recorded as HEATHER HALLMARK, MSN, APRN-C, AGPCNP

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 10, 2018

Nurse Practitioner (License #99801 in OK)

🟢
Initial NPI Registration & Enumeration April 10, 2018

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: 1922505593
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 10, 2018
Last Update: February 09, 2022
Sole Proprietor: No

Mailing Address

921 Ne 13th St Fl Service4

Oklahoma City, OK 731045007

Phone: 4054563409

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.