DR. MACKENZIE RYAN SITZMAN DMD
NPI 1316679095
Dentist in Little Rock, AR
About Dr. Mackenzie Ryan Sitzman Dmd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MACKENZIE RYAN SITZMAN DMD (NPI 1316679095) is an individual dentist in Little Rock, Arkansas, licensed in Arkansas (4614) and active in the NPI registry since June 2022. She is enrolled in Medicare PECOS, maintains a secondary practice location in Little Rock, and is a graduate of University Of Louisville School Of Dentistry (2022).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
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
Dr. Mackenzie Ryan Sitzman Dmd 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 Mackenzie Sitzman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Little Rock, AR 72205
- Reassigned Medicare billing, Arkansas enrollment
- 122 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 72205 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LITTLE ROCK, AR 72205
LITTLE ROCK, AR 72205
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 Mackenzie Sitzman's NPI number?
The NPI number for Mackenzie Sitzman is 1316679095. It was assigned to this individual provider in the NPPES registry on June 30, 2022.
Where is Mackenzie Sitzman located?
Mackenzie Sitzman practices at 8901 Carti Way, Little Rock, AR 72205. The listed phone number is (501) 906-3000.
What is Mackenzie Sitzman's specialty?
The primary specialty registered for this NPI is Dentist with taxonomy code 122300000X.
Is Mackenzie Sitzman enrolled in Medicare?
Yes. Mackenzie Sitzman 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 Mackenzie Sitzman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mackenzie Sitzman reassigns Medicare benefits to Central Arkansas Radiation Therapy Institute Inc (Little Rock, AR). 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 Mackenzie Sitzman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mackenzie Sitzman accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 10 other insurers list Mackenzie Sitzman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Mackenzie Sitzman was last updated on June 30, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.
# Dr. Mackenzie Ryan Sitzman, DMD · NPI 1316679095
Dentist provider in Little Rock, Arkansas. Individual provider, active in the CMS NPPES registry since June 30, 2022.
## Identity
- **NPI:** 1316679095 (Entity type: Individual)
- **Enumerated:** June 30, 2022
- **Primary specialty:** Dentist · taxonomy 122300000X
- **State license:** 4614 (Arkansas)
- **Sole proprietor:** No
## Practice location
- **Address:** 8901 CARTI WAY, Little Rock, AR 72205-6523
- **Phone:** (501) 906-3000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Central Arkansas Radiation Therapy Institute Inc (NPI 1003583386, Little Rock, AR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Louisville School Of Dentistry, class of 2022
## Record status
- **NPPES last updated:** June 30, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1316679095) · Data from the CMS NPPES public registry.