DR. JOSEPH RICHARD ZACHARIAS DDS, MD
NPI 1124478003
Oral & Maxillofacial Surgery in Nashville, TN
About Dr. Joseph Richard Zacharias Dds, Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOSEPH RICHARD ZACHARIAS DDS, MD (NPI 1124478003) is an individual oral & maxillofacial surgery provider in Nashville, Tennessee, licensed in Tennessee (11680) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS, is affiliated with Tristar Centennial Medical Center, and maintains a secondary practice location in Franklin.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 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. Joseph Richard Zacharias Dds, Md 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 Joseph Zacharias reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Nashville, TN 37209
- Reassigned Medicare billing, Tennessee enrollment
- Medicare enrollment name: Oral Surgical Institute PC
- 12 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 4
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Tristar Centennial Medical Center
Acute Care Hospitals · Nashville, TNOther Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NASHVILLE, TN 37203
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 Joseph Zacharias's NPI number?
The NPI number for Joseph Zacharias is 1124478003. It was assigned to this individual provider in the NPPES registry on June 21, 2016.
Where is Joseph Zacharias located?
Joseph Zacharias practices at 300 20th Ave N Ste 100, Nashville, TN 37203. The listed phone number is (615) 329-4401.
What is Joseph Zacharias's specialty?
The primary specialty registered for this NPI is Oral & Maxillofacial Surgery with taxonomy code 204E00000X.
Is Joseph Zacharias enrolled in Medicare?
Yes. Joseph Zacharias 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 Joseph Zacharias's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Zacharias reassigns Medicare benefits to Oral Surgical Institute, P.C. (Nashville, TN). 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 Joseph Zacharias's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joseph Zacharias accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 23 other insurers list Joseph Zacharias 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.
Is Joseph Zacharias affiliated with any hospitals?
According to CMS data, Joseph Zacharias is affiliated with Tristar Centennial Medical Center.
When was this NPI record last updated?
The NPPES record for Joseph Zacharias was last updated on July 11, 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.