Provider profile

Nathan CarnellMD

Internal Medicine, Endocrinology, Diabetes & Metabolism

NPI 1861406753
7211 Bank Ct, Suite 240, Frederick, MD 21703240-215-1454

Check your plan

Medicare Advantage plans for Frederick County, MD.

Checked Oct 14, 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

Nathan wasn't listed on the 24 2027 plans whose directories answered in Frederick County, MD. Directories can lag behind, so that isn't proof Nathan is out of network. Ask us to confirm.

The 24 Medicare Advantage plans we show for Frederick County, MD in 2027

  • 24 not listed

Alterwood Advantage

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

CareFirst BlueCross BlueShield Advantage DualPrime · CareFirst BlueCross BlueShield Medicare Advantage

Not listed on its 3 plans here. That isn't proof they're out of network.

Humana

Not listed on its 4 plans here. That isn't proof they're out of network.

Johns Hopkins Advantage MD

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

Kaiser Permanente

Not listed on its 6 plans here. That isn't proof they're out of network.

UnitedHealthcare

Not listed on its 1 plan 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

7211 Bank Ct, Suite 240
Frederick, MD 21703

NPI Registry
NPI issued
2006
Registry record updated
Apr 30, 2019

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

Common questions

Is Nathan Carnell in network with Medicare Advantage plans?

Nathan wasn't listed on the 24 2027 plans whose directories answered in Frederick County, MD. Directories can lag, and other plans haven't been confirmed, so ask the office or a Silverpath advisor.

Does Nathan Carnell take Alterwood Advantage Medicare Advantage plans?

The provider searches didn't return a listing for Nathan on these 5 plans for 2027 in Frederick County, MD. Directories can lag, and a clinician can be in network at another office, so that isn't proof Nathan is out of network. Ask the office or a Silverpath advisor to confirm.

Does Nathan Carnell take CareFirst BlueCross BlueShield Advantage DualPrime Medicare Advantage plans?

The provider searches didn't return a listing for Nathan on these 3 plans for 2027 in Frederick County, MD. Directories can lag, and a clinician can be in network at another office, so that isn't proof Nathan is out of network. Ask the office or a Silverpath advisor to confirm.

Does Nathan Carnell take Humana Medicare Advantage plans?

Humana's own provider directory doesn't list Nathan on any of its 4 plans for 2027 in Frederick County, MD. Directories can lag, and a clinician can be in network at another office, so that isn't proof Nathan is out of network. Ask the office or a Silverpath advisor to confirm.

Where does Nathan Carnell practice?

7211 Bank Ct, Suite 240, Frederick, MD 21703.

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

Call the member services number on your plan card and give them the NPI 1861406753, or ask a Silverpath advisor to check for you. It's free.

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

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Is this your practice?

Patients in Frederick County, MD look up Nathan Carnell 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 2019-04-30). Plan networks: carrier provider directories and Medicare.gov provider data, checked Oct 14, 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 Nathan Carnell 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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Does Nathan take my plan?