DR. OLUSEGUN SONNY JOHN MD
NPI 1174796130
Family Medicine in Milledgeville, GA
About Dr. Olusegun Sonny John Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. OLUSEGUN SONNY JOHN MD (NPI 1174796130) is an individual family medicine provider in Milledgeville, Georgia, licensed in Georgia (059982) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS, is affiliated with Piedmont Cartersville Medical Center, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 4
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. Olusegun Sonny John 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
21Medicare enrollment records show Olusegun John reassigns Medicare billing to 21 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Warner Robins, GA 31093
- Reassigned Medicare billing, Georgia enrollment
- 150 clinicians in this Medicare group
Monroe, GA 30655
- Reassigned Medicare billing, Georgia and Louisiana enrollments
- 777 clinicians in this Medicare group
Stockbridge, GA 30281
- Reassigned Medicare billing, Georgia enrollment
- 792 clinicians in this Medicare group
Augusta, GA 30912
- Reassigned Medicare billing, Georgia enrollment
- 1,151 clinicians in this Medicare group
Fitzgerald, GA 31750
- Reassigned Medicare billing, Georgia enrollment
- Medicare enrollment name: Phoebe Physician Group Inc
- 1,118 clinicians in this Medicare group
Statesboro, GA 30458
- Reassigned Medicare billing, Georgia enrollment
- 47 clinicians in this Medicare group
Lagrange, GA 30240
- Reassigned Medicare billing, Georgia enrollment
- 1,506 clinicians in this Medicare group
Columbus, GA 31909
- Reassigned Medicare billing, Georgia enrollment
- 165 clinicians in this Medicare group
Columbus, GA 31901
- Reassigned Medicare billing, Georgia enrollment
- 163 clinicians in this Medicare group
Rome, GA 30165
- Reassigned Medicare billing, Georgia enrollment
- 343 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 2
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.
Piedmont Cartersville Medical Center
Acute Care Hospitals · Cartersville, GAPiedmont Henry Hospital
Acute Care Hospitals · Stockbridge, GAPiedmont Fayette Hospital
Acute Care Hospitals · Fayetteville, GASmyth County Community Hospital
Acute Care Hospitals · Marion, VAJohnston Memorial Hospital
Acute Care Hospitals · Abingdon, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 31061 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MILLEDGEVILLE, GA 31061
MILLEDGEVILLE, GA 31061
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 Olusegun John's NPI number?
The NPI number for Olusegun John is 1174796130. It was assigned to this individual provider in the NPPES registry on April 10, 2008.
Where is Olusegun John located?
Olusegun John practices at 821 N Cobb St, Milledgeville, GA 31061. The listed phone number is (478) 452-0897.
What is Olusegun John's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Olusegun John enrolled in Medicare?
Yes. Olusegun John 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 Olusegun John's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Olusegun John reassigns Medicare benefits to 21 organizations: Houston Hospitalist Group LLC (Warner Robins, GA), Hospital Physician Services - Southeast Professional Corporation (Monroe, GA), Piedmont Hospitalist Physicians LLC (Stockbridge, GA), Au Medical Associates Inc (Augusta, GA), Phoebe Dorminy Family Care (Fitzgerald, GA) and 16 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 Olusegun John's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Olusegun John accept?
Health plans from Alliant Health Plans, Inc., CHRISTUS Health Plan, HMO Louisiana, Oscar Health Maintenance Organization of Florida and Oscar Insurance Company list Olusegun John 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 Olusegun John affiliated with any hospitals?
According to CMS data, Olusegun John is affiliated with Piedmont Cartersville Medical Center, Piedmont Henry Hospital, Piedmont Fayette Hospital, Smyth County Community Hospital and Johnston Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Olusegun John was last updated on May 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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. Olusegun Sonny John, MD · NPI 1174796130
Family Medicine physician in Milledgeville, Georgia. Individual provider, active in the CMS NPPES registry since April 10, 2008.
## Identity
- **NPI:** 1174796130 (Entity type: Individual)
- **Enumerated:** April 10, 2008
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 059982 (Georgia)
- **Sole proprietor:** No
## Practice location
- **Address:** 821 N COBB ST, Milledgeville, GA 31061-2343
- **Phone:** (478) 452-0897
## 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:** 21 organizations under Medicare reassignment (form CMS-855R): Houston Hospitalist Group LLC (NPI 1962040147, Warner Robins, GA); Hospital Physician Services - Southeast Professional Corporation (NPI 1760410385, Monroe, GA); Piedmont Hospitalist Physicians LLC (NPI 1548219660, Stockbridge, GA); Au Medical Associates Inc (NPI 1841230620, Augusta, GA); Phoebe Dorminy Family Care (NPI 1992084644, Fitzgerald, GA); and 16 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1980
## Record status
- **NPPES last updated:** May 8, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1174796130) · Data from the CMS NPPES public registry.