RONISHIA D THOMAS M.D.
NPI 1114140639
Obstetrics & Gynecology in Marietta, GA
About Ronishia D Thomas M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RONISHIA D THOMAS M.D. (NPI 1114140639) is an individual obstetrics & gynecology provider in Marietta, Georgia, licensed in Georgia (83693) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS, is affiliated with Wellstar Cobb Medical Center, and maintains a secondary practice location in Birmingham.
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
Ronishia D Thomas 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 Reassignments
2Medicare enrollment records show Ronishia Thomas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Marietta, GA 30060
- Reassigned Medicare billing, Georgia enrollment
- 3,885 clinicians in this Medicare group
Fayetteville, GA 30214
- Reassigned Medicare billing, Georgia enrollment
- 37 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Wellstar Cobb Medical Center
Acute Care Hospitals · Austell, GAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 30060 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.
MARIETTA, GA 30060
MARIETTA, GA 30060
MARIETTA, GA 30060
MARIETTA, GA 30060
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 Ronishia Thomas's NPI number?
The NPI number for Ronishia Thomas is 1114140639. It was assigned to this individual provider in the NPPES registry on April 11, 2007.
Where is Ronishia Thomas located?
Ronishia Thomas practices at 677 Church St NE, Marietta, GA 30060. The listed phone number is (770) 793-5913.
What is Ronishia Thomas's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Ronishia Thomas enrolled in Medicare?
Yes. Ronishia Thomas 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 organizations bill Medicare for Ronishia Thomas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ronishia Thomas reassigns Medicare benefits to 2 organizations: Wellstar Medical Group, LLC (Marietta, GA) and Dhp Of Piedmont PC (Fayetteville, GA). 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 Ronishia Thomas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ronishia Thomas accept?
Health plans from Alliant Health Plans, Inc. and Oscar Health list Ronishia Thomas 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 Ronishia Thomas affiliated with any hospitals?
According to CMS data, Ronishia Thomas is affiliated with Wellstar Cobb Medical Center.
When was this NPI record last updated?
The NPPES record for Ronishia Thomas was last updated on August 7, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Ronishia D Thomas, M.D. · NPI 1114140639
Obstetrics & Gynecology physician in Marietta, Georgia. Individual provider, active in the CMS NPPES registry since April 11, 2007.
## Identity
- **NPI:** 1114140639 (Entity type: Individual)
- **Enumerated:** April 11, 2007
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 83693 (Georgia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 677 CHURCH ST NE, Marietta, GA 30060
- **Phone:** (770) 793-5913
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Wellstar Medical Group, LLC (NPI 1083027320, Marietta, GA); Dhp Of Piedmont PC (NPI 1316202609, Fayetteville, GA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Tulane University School Of Medicine, class of 2004
## Record status
- **NPPES last updated:** August 7, 2019
- **Other identifiers:** Medicaid 000013322 (AL)
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Source: [NPI Profile](https://npiprofile.com/npi/1114140639) · Data from the CMS NPPES public registry.