Barbara O'CallaghanRN, NP
Registered Nurse, Oncology
2027 Medicare Advantage
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Medicare Advantage plans for Gwinnett County, GA.
Use the name or plan ID on your member card, or choose your insurance company.
Directory results See what each insurance company reports
The 86 Medicare Advantage plans we show for Gwinnett County, GA in 2027
- 10 list Barbara
- 76 not listed
Wellcare
10 plans list Barbara.
Wellcare Assist (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3855 Pleasant Hill Rd, Ste 480, Duluth, GA, 30096
This result applies to these offices. Other locations are not confirmed.
$0a monthWellcare Giveback (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3855 Pleasant Hill Rd, Ste 480, Duluth, GA, 30096
This result applies to these offices. Other locations are not confirmed.
$0a monthWellcare Patriot Giveback Open (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3855 Pleasant Hill Rd, Ste 480, Duluth, GA, 30096
This result applies to these offices. Other locations are not confirmed.
$0a monthWellcare Patriot Simple (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3855 Pleasant Hill Rd, Ste 480, Duluth, GA, 30096
This result applies to these offices. Other locations are not confirmed.
$0a month
Aetna Medicare
Not listed on its 12 plans here. That isn't proof they're out of network.
Anthem Blue Cross and Blue Shield
Not listed on its 6 plans here. That isn't proof they're out of network.
Clover Health
Not listed on its 3 plans here. That isn't proof they're out of network.
Devoted
Not listed on its 7 plans here. That isn't proof they're out of network.
HealthSpring
Not listed on its 6 plans here. That isn't proof they're out of network.
Humana
Not listed on its 25 plans here. That isn't proof they're out of network.
Kaiser Permanente
Not listed on its 8 plans here. That isn't proof they're out of network.
PruittHealth Premier
Not listed on its 1 plan here. That isn't proof they're out of network.
UnitedHealthcare
Not listed on its 8 plans here. That isn't proof they're out of network.
Premiums are each plan's own monthly premium, as filed with Medicare. You keep paying your Medicare Part B premium.
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Original Medicare
Original Medicare status
Most Medicare Supplement (Medigap) policies have no provider network: they help pay Original Medicare's cost sharing where Medicare is accepted. Medicare SELECT policies can require network providers for full benefits. Ask the office whether they accept Medicare.
Medicare enrollment and assignment have not been verified here. Advantage directory results do not answer this question.
No opt-out record in this CMS file. CMS's file covers data through 2026-08-31. This does not establish Medicare enrollment, assignment, or whether the office accepts new Medicare patients.
CMS opt-out source · Data through 2026-08-31 · Reviewed Oct 25, 2026
Where they practice
Practice location
- NPI issued
- 2009
- Registry record updated
- Feb 3, 2010
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Barbara O'Callaghan?
In Gwinnett County, GA, 10 Medicare Advantage plans for 2027 list Barbara in provider data from Medicare.gov or the carrier, including Wellcare Assist (HMO-POS), Wellcare Giveback (HMO-POS) and Wellcare Patriot Giveback Open (PPO). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Networks can change during the year, so confirm with the office or the plan before you enroll.
Does Barbara O'Callaghan take Wellcare Medicare Advantage plans?
Medicare.gov provider data lists Barbara on 10 Medicare Advantage plans for 2027 in Gwinnett County, GA, including Wellcare Assist (HMO-POS) and Wellcare Giveback (HMO-POS). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or Wellcare before you enroll.
Does Barbara O'Callaghan take Aetna Medicare Medicare Advantage plans?
The provider searches didn't return a listing for Barbara on these 12 plans for 2027 in Gwinnett County, GA. Directories can lag, and a clinician can be in network at another office, so that isn't proof Barbara is out of network. Ask the office or a Silverpath advisor to confirm.
Does Barbara O'Callaghan take Anthem Blue Cross and Blue Shield Medicare Advantage plans?
The provider searches didn't return a listing for Barbara on these 6 plans for 2027 in Gwinnett County, GA. Directories can lag, and a clinician can be in network at another office, so that isn't proof Barbara is out of network. Ask the office or a Silverpath advisor to confirm.
Where does Barbara O'Callaghan practice?
631 Professional Drive, 450, Lawrenceville, GA 30046.
How do I confirm Barbara is in my plan's network?
Call the member services number on your plan card and give them the NPI 1003041104, or ask a Silverpath advisor to check for you. It's free.
For providers
Is this your practice?
What patients see here today:
- Provider searches did not return a listing for Barbara O'Callaghan on 76 plans from Aetna Medicare, Anthem Blue Cross and Blue Shield, Clover Health, Devoted, HealthSpring, Humana, Kaiser Permanente, PruittHealth Premier and UnitedHealthcare in Gwinnett County, GA. Other offices are not confirmed; this isn't proof the practice is out of network.
Tell us which plans you take, or want to take, and we'll keep this page accurate and talk with you about reaching more Medicare patients and carriers.