Marc ArmstrongMD
Internal Medicine
2027 Medicare Advantage
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Medicare Advantage plans for Brown County, SD and Hernando County, FL.
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Directory results See what each insurance company reports
Not checked yet
We haven't asked Aetna Medicare, Devoted, Florida Blue, Freedom Health, Inc., Gold Kidney Health Plan, HealthSpring, Humana, Ultimate Health Plans, UnitedHealthcare and Wellcare's directories about Marc yet. A Silverpath advisor can check for you now.
The 91 Medicare Advantage plans we show for Brown County, SD and Hernando County, FL in 2027
- 3 not listed
- 88 not checked yet
Aetna Medicare
Not checked yet.
Devoted
Not checked yet.
Florida Blue · Florida Blue HMO
Not checked yet.
Freedom Health, Inc. · Optimum HealthCare, Inc. · Simply Healthcare Plans, Inc.
Not checked yet.
Gold Kidney Health Plan
Not checked yet.
HealthSpring
Not checked yet.
Humana
Not checked yet.
Ultimate Health Plans
Not checked yet.
UnitedHealthcare
Not checked yet.
13 more UnitedHealthcare plans haven't been 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.
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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
2 practice locations
- NPI issued
- 2014
- Registry record updated
- Mar 17, 2018
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Where does Marc Armstrong practice?
2 locations, including 305 S State St, Aberdeen, SD. All of them are listed on this page.
How do I confirm Marc is in my plan's network?
Call the member services number on your plan card and give them the NPI 1326453556, 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 Brown County, SD and Hernando County, FL. 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.