Provider profile

Grant BarnumDO

Internal Medicine, Geriatric Medicine

NPI 1639178445
1870 Bagnell Dam Blvd, Lake Ozark, MO 65049573-365-2318

Check your plan

Medicare Advantage plans for Camden County, MO.

Checked Oct 13, 2026

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

Directory results See what each insurance company reports

Not listed on the plans we can check

Grant wasn't listed on the 34 2027 plans whose directories answered in Camden County, MO. Directories can lag behind, so that isn't proof Grant is out of network. Ask us to confirm.

The 34 Medicare Advantage plans we show for Camden County, MO in 2027

  • 34 not listed

Aetna Medicare

Not listed on its 11 plans here. That isn't proof they're out of network.

Anthem HealthKeepers

Not listed on its 2 plans here. That isn't proof they're out of network.

Humana

Not listed on its 11 plans here. That isn't proof they're out of network.

UnitedHealthcare

Not listed on its 7 plans here. That isn't proof they're out of network.

Wellcare

Not listed on its 3 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 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

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Practice location

1870 Bagnell Dam Blvd
Lake Ozark, MO 65049

NPI Registry
NPI issued
2005
Registry record updated
May 5, 2008

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

Common questions

Is Grant Barnum in network with Medicare Advantage plans?

Grant wasn't listed on the 34 2027 plans whose directories answered in Camden County, MO. Directories can lag, and other plans haven't been confirmed, so ask the office or a Silverpath advisor.

Does Grant Barnum take Aetna Medicare Medicare Advantage plans?

The provider searches didn't return a listing for Grant on these 11 plans for 2027 in Camden County, MO. Directories can lag, and a clinician can be in network at another office, so that isn't proof Grant is out of network. Ask the office or a Silverpath advisor to confirm.

Does Grant Barnum take Anthem HealthKeepers Medicare Advantage plans?

The provider searches didn't return a listing for Grant on these 2 plans for 2027 in Camden County, MO. Directories can lag, and a clinician can be in network at another office, so that isn't proof Grant is out of network. Ask the office or a Silverpath advisor to confirm.

Does Grant Barnum take Humana Medicare Advantage plans?

Humana's own provider directory doesn't list Grant on any of its 11 plans for 2027 in Camden County, MO. Directories can lag, and a clinician can be in network at another office, so that isn't proof Grant is out of network. Ask the office or a Silverpath advisor to confirm.

Where does Grant Barnum practice?

1870 Bagnell Dam Blvd, Lake Ozark, MO 65049.

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

Call the member services number on your plan card and give them the NPI 1639178445, or ask a Silverpath advisor to check for you. It's free.

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

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For providers

Is this your practice?

Patients in Camden County, MO look up Grant Barnum by plan, and the directories we read don't list this practice yet. 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 2008-05-05). Plan networks: carrier provider directories and Medicare.gov provider data, checked Oct 13, 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 Grant Barnum 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.

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