Provider profile

Oliver GilliamMD

Internal Medicine, Gastroenterology

NPI 1497759765
17501 Generations Dr, South Bend, IN 46635574-234-0049

Check your plan

Medicare Advantage plans for St. Joseph County, IN.

Checked Oct 27, 2026

Use the name or plan ID on your member card, or choose your insurance company.

Directory results See what each insurance company reports

The 56 Medicare Advantage plans we show for St. Joseph County, IN in 2027

  • 40 list Oliver
  • 16 not listed

Humana

17 plans list Oliver.

17plans
  • Humana Essentials Plus Giveback (PPO)

    Source: Humana provider directory.

    Listed offices for this plan:

    • 17501 Generations Dr, South Bend, IN, 46635

    This result applies to these offices. Other locations are not confirmed.

    PPODrug coverage4.5 starsH7617-144-001Medicare.gov
    $0a month
  • Humana Full Access (PPO)

    Source: Humana provider directory.

    Listed offices for this plan:

    • 17501 Generations Dr, South Bend, IN, 46635

    This result applies to these offices. Other locations are not confirmed.

    PPODrug coverage4 starsH5216-192-000Medicare.gov
    $0a month
  • Humana Gold Plus H5619-189 (HMO-POS)

    Source: Humana provider directory.

    Listed offices for this plan:

    • 17501 Generations Dr, South Bend, IN, 46635

    This result applies to these offices. Other locations are not confirmed.

    HMO-POSDrug coverage4 starsH5619-189-002Medicare.gov
    $0a month
  • Humana USAA Honor Giveback (PPO)

    Source: Humana provider directory.

    Listed offices for this plan:

    • 17501 Generations Dr, South Bend, IN, 46635

    This result applies to these offices. Other locations are not confirmed.

    PPONo drug coverage4 starsH5216-218-000Medicare.gov
    $0a month

Anthem Blue Cross and Blue Shield · Anthem HealthKeepers

13 plans list Oliver.

13plans
  • Anthem Medicare Advantage (HMO-POS)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 17501 Generations Dr, South Bend, IN, 46635
    • 53830 Generations Dr, South Bend, IN, 46635
    • 1919 Lake Ave, Plymouth, IN, 46563
    • 900 I St, La Porte, IN, 46350

    This result applies to these offices. Other locations are not confirmed.

    HMO-POSDrug coverage3 starsH3447-042-001Medicare.gov
    $0a month
  • Anthem Medicare Advantage 7 (HMO-POS)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 17501 Generations Dr, South Bend, IN, 46635
    • 53830 Generations Dr, South Bend, IN, 46635
    • 1919 Lake Ave, Plymouth, IN, 46563
    • 900 I St, La Porte, IN, 46350

    This result applies to these offices. Other locations are not confirmed.

    HMO-POSDrug coverageH3529-002-001Medicare.gov
    $0a month
  • Anthem Veteran (PPO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 17501 Generations Dr, South Bend, IN, 46635
    • 53830 Generations Dr, South Bend, IN, 46635
    • 1919 Lake Ave, Plymouth, IN, 46563
    • 900 I St, La Porte, IN, 46350

    This result applies to these offices. Other locations are not confirmed.

    PPONo drug coverage3.5 starsH7093-001-000Medicare.gov
    $0a month
  • Anthem Extra Help (HMO-POS)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 17501 Generations Dr, South Bend, IN, 46635
    • 53830 Generations Dr, South Bend, IN, 46635
    • 1919 Lake Ave, Plymouth, IN, 46563
    • 900 I St, La Porte, IN, 46350

    This result applies to these offices. Other locations are not confirmed.

    HMO-POSDrug coverage3 starsH3447-024-000Medicare.gov
    $17a month

Devoted

7 plans list Oliver.

7plans
  • DEVOTED CHOICE 005 IN (PPO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 17501 Generations Dr, South Bend, IN, 46635
    • 1919 Lake Ave, Plymouth, IN, 46563

    This result applies to these offices. Other locations are not confirmed.

    PPODrug coverageH7471-005-000Medicare.gov
    $0a month
  • DEVOTED CHOICE GIVEBACK 006 IN (PPO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 17501 Generations Dr, South Bend, IN, 46635
    • 1919 Lake Ave, Plymouth, IN, 46563

    This result applies to these offices. Other locations are not confirmed.

    PPODrug coverageH7471-006-000Medicare.gov
    $0a month
  • DEVOTED CHOICE GIVEBACK EXTRAS 025 IN (PPO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 17501 Generations Dr, South Bend, IN, 46635
    • 1919 Lake Ave, Plymouth, IN, 46563

    This result applies to these offices. Other locations are not confirmed.

    PPODrug coverageH7471-025-000Medicare.gov
    $0a month
  • DEVOTED CHOICE PREMIUM 007 IN (PPO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 17501 Generations Dr, South Bend, IN, 46635
    • 1919 Lake Ave, Plymouth, IN, 46563

    This result applies to these offices. Other locations are not confirmed.

    PPODrug coverageH7471-007-000Medicare.gov
    $10a month

Wellcare

3 plans list Oliver.

3plans
  • Wellcare Giveback Open (PPO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 17501 Generations Dr, South Bend, IN, 46635

    This result applies to these offices. Other locations are not confirmed.

    PPODrug coverage2.5 starsH6348-008-000Medicare.gov
    $0a month
  • Wellcare Simple (HMO-POS)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 17501 Generations Dr, South Bend, IN, 46635

    This result applies to these offices. Other locations are not confirmed.

    HMO-POSDrug coverage3 starsH3499-002-000Medicare.gov
    $0a month
  • Wellcare Simple Open (PPO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 17501 Generations Dr, South Bend, IN, 46635

    This result applies to these offices. Other locations are not confirmed.

    PPODrug coverage2.5 starsH6348-002-000Medicare.gov
    $0a month

Aetna Medicare

Not listed on its 5 plans here. That isn't proof they're out of network.

UnitedHealthcare

Not listed on its 11 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.

Can't find your plan?Tell us the plan you have, and a licensed Silverpath advisor will check whether Oliver takes it. Free.

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

Compare Supplement plans

Practice location

17501 Generations Dr
South Bend, IN 46635

NPI Registry
NPI issued
2005
Registry record updated
Jan 21, 2011

Medicare's clinician details aren't available on this page yet.

Common questions

Which 2027 Medicare Advantage plans list Oliver Gilliam?

In St. Joseph County, IN, 40 Medicare Advantage plans for 2027 list Oliver in provider data from Medicare.gov or the carrier, including Humana Essentials Plus Giveback (PPO), Humana Full Access (PPO) and Humana Gold Plus H5619-189 (HMO-POS). 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 Oliver Gilliam take Humana Medicare Advantage plans?

Humana's own provider directory lists Oliver on 17 Medicare Advantage plans for 2027 in St. Joseph County, IN, including Humana Essentials Plus Giveback (PPO) and Humana Full Access (PPO). Confirm with the office or Humana before you enroll.

Does Oliver Gilliam take Anthem Blue Cross and Blue Shield Medicare Advantage plans?

Medicare.gov provider data lists Oliver on 13 Medicare Advantage plans for 2027 in St. Joseph County, IN, including Anthem Medicare Advantage (HMO-POS) and Anthem Medicare Advantage 7 (HMO-POS). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or Anthem Blue Cross and Blue Shield before you enroll.

Does Oliver Gilliam take Devoted Medicare Advantage plans?

Medicare.gov provider data lists Oliver on 7 Medicare Advantage plans for 2027 in St. Joseph County, IN, including DEVOTED CHOICE 005 IN (PPO) and DEVOTED CHOICE GIVEBACK 006 IN (PPO). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or Devoted before you enroll.

Where does Oliver Gilliam practice?

17501 Generations Dr, South Bend, IN 46635.

How do I confirm Oliver is in my plan's network?

Call the member services number on your plan card and give them the NPI 1497759765, or ask a Silverpath advisor to check for you. It's free.

Free · No obligation

Talk to a licensed advisor

A Silverpath advisor can confirm Oliver's networks with the carrier and help you compare plans that include them.

Free. No obligation. We never sell your information.

For providers

Is this your practice?

What patients see here today:

  • Provider searches did not return a listing for Oliver Gilliam on 16 plans from Aetna Medicare and UnitedHealthcare in St. Joseph County, IN. 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.

Sources. Name, specialty and locations: the CMS NPI Registry (record updated 2011-01-21). Plan networks: carrier provider directories and Medicare.gov provider data, checked Oct 27, 2026. CMS matches apply to the covered offices shown with each plan. Plans: CMS 2027 Medicare Advantage landscape.

Networks change during the year, and a directory can be out of date. Confirm with the provider's office and the plan before you enroll or schedule care.

Silverpath is a licensed insurance agency. This page isn't affiliated with or endorsed by Oliver Gilliam or their practice. Not connected with or endorsed by the U.S. government or the federal Medicare program.

We do not offer every plan available in your area. Please contact Medicare.gov or 1-800-MEDICARE to get information on all of your options.

Are you Oliver Gilliam? Talk to us about this page, or request a correction or removal.

Does Oliver take my plan?