DR. SONYA DENISE MARKS M.D.
NPI 1336361989
Obstetrics & Gynecology in Decatur, GA
About Dr. Sonya Denise Marks M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SONYA DENISE MARKS M.D. (NPI 1336361989) is an individual obstetrics & gynecology provider in Decatur, Georgia, licensed in Georgia (053996) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, is affiliated with Wellstar Spalding Medical Center, and is a graduate of Other (1999).
NPPES Registry Identity
Specialties & Licenses
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. Sonya Denise Marks 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
9Medicare enrollment records show Sonya Marks reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lithonia, GA 30058
- Reassigned Medicare billing, Georgia enrollment
- 108 clinicians in this Medicare group
Atlanta, GA 30315
- Reassigned Medicare billing, Georgia enrollment
- 90 clinicians in this Medicare group
Atlanta, GA 30331
- Reassigned Medicare billing, Georgia enrollment
- 3,885 clinicians in this Medicare group
Griffin, GA 30224
- Reassigned Medicare billing, Georgia enrollment
- 17 clinicians in this Medicare group
Athens, GA 30606
- Reassigned Medicare billing, Georgia enrollment
- 208 clinicians in this Medicare group
Tupelo, MS 38801
- Reassigned Medicare billing, Mississippi enrollment
- 28 clinicians in this Medicare group
Jackson, MS 39202
- Reassigned Medicare billing, Mississippi enrollment
- Medicare enrollment name: Obhg Mississippi PC
- 145 clinicians in this Medicare group
Kinston, NC 28501
- Reassigned Medicare billing, North Carolina enrollment
- 1,653 clinicians in this Medicare group
Manteo, NC 27954
- Reassigned Medicare billing, North Carolina enrollment
- Medicare enrollment name: Outer Banks Professional Services, LLC
- 346 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 Spalding Medical Center
Acute Care Hospitals · Griffin, GAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 30035 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Sonya Marks's NPI number?
The NPI number for Sonya Marks is 1336361989. It was assigned to this individual provider in the NPPES registry on May 3, 2007.
Where is Sonya Marks located?
Sonya Marks practices at 4166 Snapfinger Woods Dr, Decatur, GA 30035. The listed phone number is (404) 284-3200.
What is Sonya Marks's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Sonya Marks enrolled in Medicare?
Yes. Sonya Marks 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 Sonya Marks's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sonya Marks reassigns Medicare benefits to 9 organizations: Medcura Health, Inc. (Lithonia, GA), Southside Medical Center, Inc. (Atlanta, GA), Wellstar Medical Group, LLC (Atlanta, GA), Griffin Obgyn Clinic PA (Griffin, GA), Obhg Georgia, P.C. (Athens, GA) and 4 more organizations, listed in the Medicare section above. 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 Sonya Marks's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sonya Marks accept?
Health plans from Alliant Health Plans, Inc., Blue Cross and Blue Shield of Texas, Cigna Healthcare and Oscar Insurance Company list Sonya Marks 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 Sonya Marks affiliated with any hospitals?
According to CMS data, Sonya Marks is affiliated with Wellstar Spalding Medical Center.
When was this NPI record last updated?
The NPPES record for Sonya Marks was last updated on March 7, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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. Sonya Denise Marks, M.D. · NPI 1336361989
Obstetrics & Gynecology physician in Decatur, Georgia. Individual provider, active in the CMS NPPES registry since May 3, 2007.
## Identity
- **NPI:** 1336361989 (Entity type: Individual)
- **Enumerated:** May 3, 2007
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 053996 (Georgia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4166 SNAPFINGER WOODS DR, Decatur, GA 30035-3411
- **Phone:** (404) 284-3200 · **Fax:** (404) 288-1745
## 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:** 9 organizations under Medicare reassignment (form CMS-855R): Medcura Health, Inc. (NPI 1770287906, Lithonia, GA); Southside Medical Center, Inc. (NPI 1235123993, Atlanta, GA); Wellstar Medical Group, LLC (NPI 1205267192, Atlanta, GA); Griffin Obgyn Clinic PA (NPI 1558415919, Griffin, GA); Obhg Georgia, P.C. (NPI 1750686838, Athens, GA); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1999
## Record status
- **NPPES last updated:** March 7, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1336361989) · Data from the CMS NPPES public registry.