DMITRIY ZAK M.D.
NPI 1548371289
Internal Medicine - Hematology & Oncology in Mountain Home, AR
About Dmitriy Zak M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DMITRIY ZAK M.D. (NPI 1548371289) is an individual hematology & oncology provider in Mountain Home, Arkansas, licensed in Arkansas (E12161) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dmitriy Zak M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Dmitriy Zak reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mountain Home, AR 72653
- Reassigned Medicare billing, Arkansas enrollment
- 8 clinicians in this Medicare group
Springdale, AR 72762
- Reassigned Medicare billing, Arkansas enrollment
- 86 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 99
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 72653 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MOUNTAIN HOME, AR 72653
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 Dmitriy Zak's NPI number?
The NPI number for Dmitriy Zak is 1548371289. It was assigned to this individual provider in the NPPES registry on August 31, 2006.
Where is Dmitriy Zak located?
Dmitriy Zak practices at 639 Hospital Dr, Mountain Home, AR 72653. The listed phone number is (479) 587-1700.
What is Dmitriy Zak's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Dmitriy Zak enrolled in Medicare?
Yes. Dmitriy Zak is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Dmitriy Zak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dmitriy Zak reassigns Medicare benefits to 2 organizations: Baxter County Regional Hospital, Inc (Mountain Home, AR) and Highlands Oncology Group PA (Springdale, AR). Each 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 Dmitriy Zak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Dmitriy Zak accept?
Health plans from Arkansas Blue Cross and Blue Shield, Health Advantage and Octave list Dmitriy Zak 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 Dmitriy Zak was last updated on September 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 49 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.