MRS. MARY ANN BUCHANAN FNP-C
NPI 1942015946
Nurse Practitioner in Tulsa, OK

Q: What is Mary Buchanan's NPI number?

The NPI number for Mary Buchanan is 1942015946. It was assigned to this individual provider in the NPPES registry on February 8, 2025.

Q: What is Mary Buchanan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Mary Buchanan was last updated on January 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since February 08, 2025PECOS EnrolledAccepts Medicare Assignment

2488 E 81ST ST STE 2000, TULSA, OK 74137(918) 592-9020 Get Directions Write a Review

NPPES record last updated: January 5, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 5, 2026, Feb 8, 2025 (2 updates tracked since 2025).

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About Mrs. Mary Ann Buchanan Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. MARY ANN BUCHANAN FNP-C (NPI 1942015946) is an individual nurse practitioner in Tulsa, Oklahoma, licensed in Oklahoma (221587) and active in the NPI registry since February 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1942015946

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameMRS. MARY ANN BUCHANANCredential: FNP-C

Location Address2488 E 81ST ST STE 2000Tulsa, OK 74137-4224

Mailing Address2488 East 81st Street, Suite 2000Tulsa, OK 74137-4290

Phone(918) 592-9020

Sole ProprietorNo

Medical School CMSOtherGraduated 2024

Enumeration DateFebruary 8, 2025

Last NPPES UpdateJanuary 5, 20262 updates tracked since enumeration

NPPES CertifiedJanuary 5, 2026

✔ NPI 1942015946 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

Licenses✔ Licensed in OK · 221587✔ Licensed in TX · 1184001

Definition

(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.

2488 E 81ST ST STE 2000, Tulsa, OK 74137

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Mary Ann Buchanan Fnp-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9335610153

PECOS Enrollment IDI20260602004460, I20260602004562

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 74137 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$82.46 typical visit price

range $53.00 – $162.61

Typical copayment $20.61 (range $13.25 – $40.65)

Most-billed visit code 99203

Established Patient

$94.27 typical visit price

range $16.68 – $132.40

Typical copayment $23.56 (range $4.17 – $33.10)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MATTHEW L CARMICHAEL D.O.

Emergency Medicine (Emergency Medical Services)