Frederick ZellerMD
Internal Medicine, Sleep Medicine
2027 Medicare Advantage
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Medicare Advantage plans for Yellowstone County, MT and Butler County, OH.
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Not checked yet
We haven't asked Aetna Medicare, Anthem Blue Cross and Blue Shield, CareSource MyCare Ohio (HMO D-SNP), Communicare Advantage, Devoted, HealthSpring, Humana, Medical Mutual of Ohio, MediGold, Molina Healthcare of Ohio, Perennial Advantage, Range Health, The Health Plan, UnitedHealthcare and Wellcare's directories about Frederick yet. A Silverpath advisor can check for you now.
The 94 Medicare Advantage plans we show for Yellowstone County, MT and Butler County, OH in 2027
- 16 not listed
- 78 not checked yet
Aetna Medicare
Not checked yet.
Anthem Blue Cross and Blue Shield
Not checked yet.
CareSource MyCare Ohio (HMO D-SNP)
Not checked yet.
Communicare Advantage
Not checked yet.
Devoted
Not checked yet.
HealthSpring
Not checked yet.
Humana
Not checked yet.
15 more Humana plans haven't been checked yet.
Medical Mutual of Ohio
Not checked yet.
MediGold
Not checked yet.
Molina Healthcare of Ohio
Not checked yet.
Perennial Advantage
Not checked yet.
Range Health
Not listed on its 2 plans here. That isn't proof they're out of network.
The Health Plan
Not checked yet.
UnitedHealthcare
Not checked yet.
10 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
- 2006
- Registry record updated
- Nov 18, 2019
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Where does Frederick Zeller practice?
2 locations, including 2900 12th Ave N Ste 500, Billings, MT. All of them are listed on this page.
How do I confirm Frederick is in my plan's network?
Call the member services number on your plan card and give them the NPI 1093804999, 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 Yellowstone County, MT and Butler County, OH. 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.