Ernest WilliamsMD
Internal Medicine, Gastroenterology
2027 Medicare Advantage
Check your plan
Medicare Advantage plans for Lafayette, Union and Grenada counties, MS.
Use the name or plan ID on your member card, or choose your insurance company.
Directory results See what each insurance company reports
Listed on 24 plans so far
Some of Humana, Aetna Medicare, Devoted, Healthy Mississippi, Inc., UnitedHealthcare and Wellcare's 2027 plans in Lafayette, Union and Grenada counties, MS haven't been checked yet.
The 58 Medicare Advantage plans we show for Lafayette, Union and Grenada counties, MS in 2027
- 24 list Ernest
- 3 not listed
- 31 not checked yet
Humana
15 plans list Ernest.
Humana USAA Honor Giveback (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 1208 Office Park Dr, Oxford, MS, 38655
- 825 W Monroe St, Ste 2, Grenada, MS, 38901
This result applies to these offices. Other locations are not confirmed.
$0a monthHumana USAA Honor Giveback (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 1208 Office Park Dr, Oxford, MS, 38655
- 825 W Monroe St, Ste 2, Grenada, MS, 38901
This result applies to these offices. Other locations are not confirmed.
$0a monthHumana Value Choice (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 1208 Office Park Dr, Oxford, MS, 38655
- 825 W Monroe St, Ste 2, Grenada, MS, 38901
This result applies to these offices. Other locations are not confirmed.
$0a monthHumanaChoice H5216-300 (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 1208 Office Park Dr, Oxford, MS, 38655
- 825 W Monroe St, Ste 2, Grenada, MS, 38901
This result applies to these offices. Other locations are not confirmed.
$0a month
Aetna Medicare
9 plans list Ernest.
Aetna Medicare Eagle Plus (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1208 Office Park Dr, Oxford, MS, 38655
This result applies to these offices. Other locations are not confirmed.
$0a monthAetna Medicare Signature (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1208 Office Park Dr, Oxford, MS, 38655
This result applies to these offices. Other locations are not confirmed.
$0a monthAetna Medicare Signature Plus (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1208 Office Park Dr, Oxford, MS, 38655
This result applies to these offices. Other locations are not confirmed.
$0a monthAetna Medicare Value Plus (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1208 Office Park Dr, Oxford, MS, 38655
This result applies to these offices. Other locations are not confirmed.
$23.80a month
Devoted
Not checked yet.
Healthy Mississippi, Inc.
Not listed on its 3 plans here. That isn't proof they're out of network.
UnitedHealthcare
Not checked yet.
Wellcare
Not checked yet.
Premiums are each plan's own monthly premium, as filed with Medicare. You keep paying your Medicare Part B premium.
Can't find your plan?Tell us the plan you have, and a licensed Silverpath advisor will check whether Ernest takes it. Free.
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
3 practice locations
- NPI issued
- 2006
- Registry record updated
- Feb 16, 2026
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Ernest Williams?
In Lafayette, Union and Grenada counties, MS, 24 Medicare Advantage plans for 2027 list Ernest in provider data from Medicare.gov or the carrier, including Humana USAA Honor Giveback (PPO) and Humana Value Choice (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.
Where does Ernest Williams practice?
3 locations, including 1208 Office Park Dr, Oxford, MS. All of them are listed on this page.
How do I confirm Ernest is in my plan's network?
Call the member services number on your plan card and give them the NPI 1588623292, or ask a Silverpath advisor to check for you. It's free.
For providers
Is this your practice?
Patients can use Silverpath to find practices and check plan networks in Lafayette, Union and Grenada counties, MS. 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.