MRS. MARY ANN BUCHANAN FNP-C
NPI 1942015946
Nurse Practitioner in Denison, TX
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 Denison, Texas, licensed in Oklahoma (221587) and active in the NPI registry since February 2025. She is enrolled in Medicare PECOS, maintains a secondary practice location in Oklahoma City, and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
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.
Medicare Billing Reassignment
Medicare enrollment records show Mary Buchanan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oklahoma City, OK 73159
- Reassigned Medicare billing, Oklahoma and Texas enrollments
- 10 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75020 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
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.
Where is Mary Buchanan located?
Mary Buchanan practices at 4616 S Us Highway 75 Ste 190, Denison, TX 75020. The listed phone number is (903) 698-6015.
What is Mary Buchanan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Mary Buchanan enrolled in Medicare?
Yes. Mary Buchanan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Mary Buchanan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Buchanan reassigns Medicare benefits to Dynamic Wound Care LLC (Oklahoma City, OK). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Buchanan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mary Buchanan was last updated on October 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 days 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.
# Mrs. Mary Ann Buchanan, FNP-C · NPI 1942015946
Nurse Practitioner physician in Denison, Texas. Individual provider, active in the CMS NPPES registry since February 8, 2025.
## Identity
- **NPI:** 1942015946 (Entity type: Individual)
- **Enumerated:** February 8, 2025
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 221587 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 4616 S US HIGHWAY 75 STE 190, Denison, TX 75020-4513
- **Phone:** (903) 698-6015
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Dynamic Wound Care LLC (NPI 1598541427, Oklahoma City, OK), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** October 6, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1942015946) · Data from the CMS NPPES public registry.