Gregory McCarthyMD
Internal Medicine, Gastroenterology
2027 Medicare Advantage
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Medicare Advantage plans for Hillsborough County, NH and Boulder County, CO.
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Not checked yet
We haven't asked Aetna Medicare, Anthem Blue Cross and Blue Shield, Devoted, HealthSpring, Humana, Kaiser Permanente, Perennial Advantage, Select Health and UnitedHealthcare's directories about Gregory yet. A Silverpath advisor can check for you now.
The 75 Medicare Advantage plans we show for Hillsborough County, NH and Boulder County, CO in 2027
- 19 not listed
- 56 not checked yet
Aetna Medicare
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Anthem Blue Cross and Blue Shield
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Devoted
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11 more Devoted plans haven't been checked yet.
HealthSpring
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Humana
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13 more Humana plans haven't been checked yet.
Kaiser Permanente
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Perennial Advantage
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Select Health
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UnitedHealthcare
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11 more UnitedHealthcare plans haven't been 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
- Aug 19, 2022
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Where does Gregory McCarthy practice?
2 locations, including 100 Hitchcock Way, Manchester, NH. All of them are listed on this page.
How do I confirm Gregory is in my plan's network?
Call the member services number on your plan card and give them the NPI 1942393525, 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 Hillsborough County, NH and Boulder County, CO. 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.