Independent US Healthcare Provider Directory & Public Medical Database Patient Guides

Mary Ann Buchanan , FNP-C

Nurse Practitioner β€’ Tulsa, OK

Active NPI 1942015946 Individual Practitioner Female Practitioner
Practice location in NPPES

2488 E 81st St Ste 2000
Tulsa, OK 741374224

Call 9185929020 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

2488 E 81st St Ste 2000

Tulsa, OK 741374224

Telephone 9185929020
Organization at the Same NPPES Address or Phone
Advanced Wound Therapy Facility NPI 1922719095

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

Other Listings in Public Data

NPPES lists 1 additional practice-address record in Wichita Falls, TX. See the list

Source: CMS NPPES NPI Registry, practice location records; release date unavailable.

Listings do not confirm current availability, employment or a shared ownership network.

Medicare Profile & Education

Source: CMS Doctors and Clinicians National Downloadable File

Graduation Year

2024

Industry payments (Open Payments)

No Open Payments records are listed for this clinician for 2021–2025.

Guide: How to read an Open Payments record

Years since graduation

2 years (graduated 2024)

CMS Doctors and Clinicians data list 2024 as the year this clinician finished professional school.

What this does not show: Years since graduation

It is not the number of years in practice, and more years does not mean better care.

Source: CMS Doctors and Clinicians National Downloadable File.

NPI first issued

2025

The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show: NPI first issued

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

May accept Medicare assignment

CMS data show this clinician may accept Medicare assignment. Clinicians who do not always accept assignment can decide case by case.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians; Medicare.gov, β€œDoes your provider accept Medicare as full payment?”

Guide: What Medicare assignment means

No telehealth indicator

CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.

Guide: How Medicare covers telehealth

Enrolled in Medicare (PECOS)

Mary Buchanan has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.

It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What Medicare enrollment (PECOS) means

Can order Medicare-covered services

CMS lists Mary Buchanan as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.

What this does not show: Can order Medicare-covered services

It does not mean the clinician offers these services directly.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What ordering and referring status means

Compared with the same specialty in Tulsa and Oklahoma

159 active clinicians are listed under Nurse Practitioner with a practice address in Tulsa, OK (703 in Oklahoma).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in Tulsa

15.1% of these 159 clinicians have the CMS telehealth indicator.

58.5% of these 159 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo Β· Report an error.

Specialties & License Numbers Reported to NPPES

Self-certified to NPPES: 2026-01-05
Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

License # reported to NPPES OK 221587

(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.

Nurse Practitioner

NUCC Taxonomy Code: 363L00000X

License # reported to NPPES TX 1184001

(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.

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Oklahoma State Board of Medical Licensure.
Look Up on State Board Site

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare FFS Enrollment Status Medicare Enrollment on File
CMS Provider Specialty

PRACTITIONER - NURSE PRACTITIONER

Medicare Enrollment ID

I20260602004460

Enrollment State Jurisdiction

TX

PECOS Control ID

9335610153

Medicare Order & Referring Eligibility
Clinical Lab & Imaging (Part B) Eligible
Durable Medical Equipment (DME) Eligible
Home Health Agency (HHA) Eligible
Power Mobility Devices (PMD) Eligible

Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.

Secondary Practice Locations

4722 Taft Blvd Ste 4

Wichita Falls, TX 763084800

Phone: 9402341265

Clinicians Sharing This Practice Address or Phone

Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.

3 listed
Dr. Eric Canaday , DO

Emergency Medicine

NPI 1972802254

Doctor of Osteopathic Medicine (D.O.)

Dr. Cathryn Crittenden-Byers , MD

Emergency Medicine - Pediatric Emergency Medicine

NPI 1912955493

Doctor of Medicine (M.D.)

NPI 1881629079

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status

7 Historical Events
πŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) January 05, 2026

Nurse Practitioner (license number reported to NPPES: TX 1184001)

βœ…
NPI Profile Active February 08, 2025

NPI status registered as active in NPPES database

πŸ“
Practice Location (Initial Record) February 08, 2025

Registered at 2488 E 81ST ST STE 2000, TULSA, OK 741374224 (Tel: 9185929020)

πŸ“
Business Mailing Address (Initial Record) February 08, 2025

Registered at 2488 EAST 81ST STREET, SUITE 2000, TULSA, OK 741374290

πŸ‘€
Provider Name / Credentials (Initial Record) February 08, 2025

Recorded as MARY BUCHANAN, FNP-C

πŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) February 08, 2025

Nurse Practitioner (license number reported to NPPES: OK 221587)

🟒
Initial NPI Registration & Enumeration February 08, 2025

First registered as active Individual Practitioner in NPPES Database.

No reviews have been published yet. Leave a review.

NPI Administrative Meta

NPI Number: 1942015946
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: February 08, 2025
Last Update: January 05, 2026
Sole Proprietor: No

Other Nurse Practitioners in Tulsa

All Nurse Practitioners in Tulsa

Mailing Address

2488 East 81st Street, Suite 2000

Tulsa, OK 741374290

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.