MS. DEDRI MARKITA IVORY M.D.
NPI 1851585004
Internal Medicine - Rheumatology in Vicksburg, MS
About Ms. Dedri Markita Ivory M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. DEDRI MARKITA IVORY M.D. (NPI 1851585004) is an individual rheumatology provider in Vicksburg, Mississippi, licensed in Mississippi (21520) and active in the NPI registry since August 2007. She is enrolled in Medicare PECOS, is affiliated with Merit Health River Region, and is a graduate of Other (2006).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 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 and accepts Medicare assignment
Ms. Dedri Markita Ivory M.d. 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 Dedri Ivory reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Vicksburg, MS 39180
- Reassigned Medicare billing, Mississippi enrollment
- 2 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 14
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Merit Health River Region
Acute Care Hospitals · Vicksburg, MSMerit Health Natchez
Acute Care Hospitals · Natchez, MSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 39180 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.
Reported Quality Measures
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
VICKSBURG, MS 39180
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 Dedri Ivory's NPI number?
The NPI number for Dedri Ivory is 1851585004. It was assigned to this individual provider in the NPPES registry on August 30, 2007.
Where is Dedri Ivory located?
Dedri Ivory practices at 3510 Pemberton Square Blvd, Vicksburg, MS 39180. The listed phone number is (601) 501-6991.
What is Dedri Ivory's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Dedri Ivory enrolled in Medicare?
Yes. Dedri Ivory 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 Dedri Ivory's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dedri Ivory reassigns Medicare benefits to River City Medical And Arthritis Center LLC (Vicksburg, MS). 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 Dedri Ivory's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Dedri Ivory accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 2 other insurers list Dedri Ivory 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 Dedri Ivory affiliated with any hospitals?
According to CMS data, Dedri Ivory is affiliated with Merit Health River Region and Merit Health Natchez.
When was this NPI record last updated?
The NPPES record for Dedri Ivory was last updated on January 13, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.