CAROLYN H. SIGMAN MD
NPI 1184762585
Internal Medicine in Brookhaven, GA
About Carolyn H. Sigman Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CAROLYN H. SIGMAN MD (NPI 1184762585) is an individual internal medicine provider in Brookhaven, Georgia, licensed in Georgia (037904) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS, is affiliated with Emory University Hospital Midtown, and is a graduate of Jefferson Medical College Of Thomas Jefferson University (1991).
NPPES Registry Identity
Specialties & Licenses
Other Names 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
Carolyn H. Sigman 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 Reassignments
3Medicare enrollment records show Carolyn Sigman reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Atlanta, GA 30342
- Reassigned Medicare billing, Georgia enrollment
- 466 clinicians in this Medicare group
Atlanta, GA 30307
- Reassigned Medicare billing, Georgia enrollment
- 427 clinicians in this Medicare group
Stockbridge, GA 30281
- Reassigned Medicare billing, Georgia enrollment
- 565 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 17
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Emory University Hospital Midtown
Acute Care Hospitals · Atlanta, GASaint Joseph's Hospital Of Atlanta, Inc
Acute Care Hospitals · Atlanta, GAPiedmont Hospital
Acute Care Hospitals · Atlanta, GAPiedmont Eastside Medical Center
Acute Care Hospitals · Snellville, GAPiedmont Mountainside Hospital Inc
Acute Care Hospitals · Jasper, GAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 30319 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 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 Carolyn Sigman's NPI number?
The NPI number for Carolyn Sigman is 1184762585. It was assigned to this individual provider in the NPPES registry on February 1, 2007. The provider is also known as Carolyn Gail Harris MD.
Where is Carolyn Sigman located?
Carolyn Sigman practices at 3925 Peachtree Rd NE Suite 300, Brookhaven, GA 30319. The listed phone number is (404) 231-4231.
What is Carolyn Sigman's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Carolyn Sigman enrolled in Medicare?
Yes. Carolyn Sigman 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 Carolyn Sigman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carolyn Sigman reassigns Medicare benefits to 3 organizations: Northside Primary Care Professional Services,llc (Atlanta, GA), Piedmont Medical Care Corporation (Atlanta, GA) and Piedmont Professional Services, LLC (Stockbridge, 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 Carolyn Sigman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Carolyn Sigman accept?
Health plans from Alliant Health Plans, Inc. list Carolyn Sigman 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 Carolyn Sigman affiliated with any hospitals?
According to CMS data, Carolyn Sigman is affiliated with Emory University Hospital Midtown, Saint Joseph's Hospital Of Atlanta, Inc, Piedmont Hospital, Piedmont Eastside Medical Center and Piedmont Mountainside Hospital Inc.
When was this NPI record last updated?
The NPPES record for Carolyn Sigman was last updated on October 31, 2016. 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.