Christopher CallahanMD
Internal Medicine, Geriatric Medicine
2027 Medicare Advantage
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Medicare Advantage plans for Marion County, IN.
Use the name or plan ID on your member card, or choose your insurance company.
Directory results See what each insurance company reports
The 70 Medicare Advantage plans we show for Marion County, IN in 2027
- 31 list Christopher
- 39 not listed

Anthem Blue Cross and Blue Shield · Anthem HealthKeepers
16 plans list Christopher.
Anthem Medicare Advantage (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1650 N College Ave, Indianapolis, IN, 46202
- 720 Eskenazi Ave, Indianapolis, IN, 46202
- 1033 E Washington St, Indianapolis, IN, 46202
- 2506 Willowbrook Pkwy, Indianapolis, IN, 46205
- 2505 N Arlington Ave, Indianapolis, IN, 46218
- 5515 W 38th St, Indianapolis, IN, 46254
This result applies to these offices. Other locations are not confirmed.
$0a monthAnthem Medicare Advantage 3 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1650 N College Ave, Indianapolis, IN, 46202
- 720 Eskenazi Ave, Indianapolis, IN, 46202
- 1033 E Washington St, Indianapolis, IN, 46202
- 2506 Willowbrook Pkwy, Indianapolis, IN, 46205
- 2505 N Arlington Ave, Indianapolis, IN, 46218
- 5515 W 38th St, Indianapolis, IN, 46254
This result applies to these offices. Other locations are not confirmed.
$0a monthAnthem Medicare Advantage 4 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1650 N College Ave, Indianapolis, IN, 46202
- 720 Eskenazi Ave, Indianapolis, IN, 46202
- 1033 E Washington St, Indianapolis, IN, 46202
- 2506 Willowbrook Pkwy, Indianapolis, IN, 46205
- 2505 N Arlington Ave, Indianapolis, IN, 46218
- 5515 W 38th St, Indianapolis, IN, 46254
This result applies to these offices. Other locations are not confirmed.
$0a monthAnthem Medicare Advantage 7 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1650 N College Ave, Indianapolis, IN, 46202
- 720 Eskenazi Ave, Indianapolis, IN, 46202
- 1033 E Washington St, Indianapolis, IN, 46202
- 2506 Willowbrook Pkwy, Indianapolis, IN, 46205
- 2505 N Arlington Ave, Indianapolis, IN, 46218
- 5515 W 38th St, Indianapolis, IN, 46254
This result applies to these offices. Other locations are not confirmed.
$0a month

Humana
6 plans list Christopher; not listed on 11 other plans.
Humana Gold Plus H5619-189 (HMO-POS)
Source: Humana provider directory.
Listed offices for this plan:
- 1115 Ronald Reagan Pkwy, Ste 235, Avon, IN, 46123
This result applies to these offices. Other locations are not confirmed.
$0a monthHumana Dual Select H4939-002 (HMO-POS D-SNP)
Source: Humana provider directory.
The source lists the clinician on this plan, but hasn't identified a covered office. Confirm your office before enrolling.
$0a monthHumana Gold Plus - Diabetes and Heart (HMO C-SNP)
Source: Humana provider directory.
Listed offices for this plan:
- 1115 Ronald Reagan Pkwy, Ste 235, Avon, IN, 46123
This result applies to these offices. Other locations are not confirmed.
$0a monthHumana PathWays Dual Care (HMO-POS D-SNP)
Source: Humana provider directory.
Listed offices for this plan:
- 1115 Ronald Reagan Pkwy, Ste 235, Avon, IN, 46123
This result applies to these offices. Other locations are not confirmed.
$0a month

Zing Health
5 plans list Christopher; not listed on 4 other plans.
Zing Open Choice IN (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1633 N Capitol Ave, Indianapolis, IN, 46202
- 720 Eskenazi Ave, Indianapolis, IN, 46202
- 1115 N Ronald Reagan Pkwy, Avon, IN, 46123
This result applies to these offices. Other locations are not confirmed.
$0a monthZing Select Care IN (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1633 N Capitol Ave, Indianapolis, IN, 46202
- 720 Eskenazi Ave, Indianapolis, IN, 46202
- 1115 N Ronald Reagan Pkwy, Avon, IN, 46123
This result applies to these offices. Other locations are not confirmed.
$0a monthZing Open Choice Diabetes & Heart IN (PPO C-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1633 N Capitol Ave, Indianapolis, IN, 46202
- 720 Eskenazi Ave, Indianapolis, IN, 46202
- 1115 N Ronald Reagan Pkwy, Avon, IN, 46123
This result applies to these offices. Other locations are not confirmed.
$0a monthZing Select Diabetes & Heart IN (HMO C-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1633 N Capitol Ave, Indianapolis, IN, 46202
- 720 Eskenazi Ave, Indianapolis, IN, 46202
- 1115 N Ronald Reagan Pkwy, Avon, IN, 46123
This result applies to these offices. Other locations are not confirmed.
$0a month

MyTruAdvantage
4 plans list Christopher.
MyTruAdvantage Choice Plus (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 720 Eskenazi Ave, Indianapolis, IN, 46202
This result applies to these offices. Other locations are not confirmed.
$0a monthMyTruAdvantage Select (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 720 Eskenazi Ave, Indianapolis, IN, 46202
This result applies to these offices. Other locations are not confirmed.
$0a monthRed, White and Tru (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 720 Eskenazi Ave, Indianapolis, IN, 46202
This result applies to these offices. Other locations are not confirmed.
$0a monthMyTruAdvantage Choice Complete (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 720 Eskenazi Ave, Indianapolis, IN, 46202
This result applies to these offices. Other locations are not confirmed.
$17a month

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

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

UnitedHealthcare
Not listed on its 10 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.
Can't find your plan?Tell us the plan you have, and a licensed Silverpath advisor will check whether Christopher takes it. Free.
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
- Sep 15, 2025
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Christopher Callahan?
In Marion County, IN, 31 Medicare Advantage plans for 2027 list Christopher in provider data from Medicare.gov or the carrier, including Anthem Medicare Advantage (HMO-POS), Anthem Medicare Advantage 3 (HMO-POS) and Anthem Medicare Advantage 4 (HMO-POS). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Networks can change during the year, so confirm with the office or the plan before you enroll.
Does Christopher Callahan take Anthem Blue Cross and Blue Shield Medicare Advantage plans?
Medicare.gov provider data lists Christopher on 16 Medicare Advantage plans for 2027 in Marion County, IN, including Anthem Medicare Advantage (HMO-POS) and Anthem Medicare Advantage 3 (HMO-POS). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or Anthem Blue Cross and Blue Shield before you enroll.
Does Christopher Callahan take Humana Medicare Advantage plans?
Humana's own provider directory lists Christopher on 6 Medicare Advantage plans for 2027 in Marion County, IN, including Humana Gold Plus H5619-189 (HMO-POS) and Humana Dual Select H4939-002 (HMO-POS D-SNP). 11 other plans did not return a listing in the search area. Confirm with the office or Humana before you enroll.
Does Christopher Callahan take Zing Health Medicare Advantage plans?
Medicare.gov provider data lists Christopher on 5 Medicare Advantage plans for 2027 in Marion County, IN, including Zing Open Choice IN (PPO) and Zing Select Care IN (HMO). 4 other plans did not return a listing in the search area. CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or Zing Health before you enroll.
Where does Christopher Callahan practice?
2 locations, including 1633 N Capitol Ave, Indianapolis, IN. All of them are listed on this page.
How do I confirm Christopher is in my plan's network?
Call the member services number on your plan card and give them the NPI 1104867043, or ask a Silverpath advisor to check for you. It's free.
For providers
Is this your practice?
What patients see here today:
- Provider searches did not return a listing for Christopher Callahan on 24 plans from Aetna Medicare, Devoted, UnitedHealthcare and Wellcare in Marion County, IN. Other offices are not confirmed; this isn't proof the practice is out of network.
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.