Provider profile

Allison HammerNP

Nurse Practitioner, Pediatrics

2 locationsNPI 1508191750
575 Riley Hospital Dr Ste 2240, Indianapolis, IN 46202317-944-8620

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Medicare Advantage plans for Marion County, IN and Cook County, IL.

Use the name or plan ID on your member card, or choose your insurance company.

Directory results See what each insurance company reports

Listed on 50 plans so far

Some of Humana, Anthem Blue Cross and Blue Shield, Aetna Medicare, Zing Health, UnitedHealthcare, Wellcare, Blue Cross and Blue Shield of IL, NM, Devoted, Essence Healthcare, HealthSpring, Molina Healthcare of Illinois and MyTruAdvantage's 2027 plans in Marion County, IN and Cook County, IL haven't been checked yet.

The 131 Medicare Advantage plans we show for Marion County, IN and Cook County, IL in 2027

  • 50 list Allison
  • 20 not listed
  • 61 not checked yet

Humana

17 plans list Allison.

17plans
  • Humana Essentials Plus Giveback (PPO)

    Source: Humana provider directory.

    Listed offices for this plan:

    • 11725 Illinois St, Carmel, IN, 46032

    This result applies to these offices. Other locations are not confirmed.

    PPODrug coverage4.5 starsH7617-144-001Medicare.gov
    $0a month
  • Humana Full Access (PPO)

    Source: Humana provider directory.

    Listed offices for this plan:

    • 11725 Illinois St, Carmel, IN, 46032

    This result applies to these offices. Other locations are not confirmed.

    PPODrug coverage4 starsH5216-192-000Medicare.gov
    $0a month
  • Humana Gold Plus H5619-189 (HMO-POS)

    Source: Humana provider directory.

    Listed offices for this plan:

    • 11725 Illinois St, Carmel, IN, 46032

    This result applies to these offices. Other locations are not confirmed.

    HMO-POSDrug coverage4 starsH5619-189-001Medicare.gov
    $0a month
  • Humana USAA Honor Giveback (PPO)

    Source: Humana provider directory.

    Listed offices for this plan:

    • 11725 Illinois St, Carmel, IN, 46032

    This result applies to these offices. Other locations are not confirmed.

    PPONo drug coverage4 starsH5216-218-000Medicare.gov
    $0a month

13 more Humana plans haven't been checked yet.

Anthem Blue Cross and Blue Shield · Anthem HealthKeepers

16 plans list Allison.

16plans
  • Anthem Medicare Advantage (HMO-POS)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 705 Riley Hospital Dr, Indianapolis, IN, 46202
    • 575 Riley Hospital Dr, Indianapolis, IN, 46202
    • 11700 N Meridian St, Carmel, IN, 46032
    • 11725 Illinois St, Carmel, IN, 46032

    This result applies to these offices. Other locations are not confirmed.

    HMO-POSDrug coverage3 starsH3447-042-003Medicare.gov
    $0a month
  • Anthem Medicare Advantage 3 (HMO-POS)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 705 Riley Hospital Dr, Indianapolis, IN, 46202
    • 575 Riley Hospital Dr, Indianapolis, IN, 46202
    • 11700 N Meridian St, Carmel, IN, 46032
    • 11725 Illinois St, Carmel, IN, 46032

    This result applies to these offices. Other locations are not confirmed.

    HMO-POSDrug coverage3 starsH7220-009-002Medicare.gov
    $0a month
  • Anthem Medicare Advantage 4 (HMO-POS)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 705 Riley Hospital Dr, Indianapolis, IN, 46202
    • 575 Riley Hospital Dr, Indianapolis, IN, 46202
    • 11700 N Meridian St, Carmel, IN, 46032
    • 11725 Illinois St, Carmel, IN, 46032

    This result applies to these offices. Other locations are not confirmed.

    HMO-POSDrug coverage3 starsH7220-010-000Medicare.gov
    $0a month
  • Anthem Medicare Advantage 7 (HMO-POS)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 705 Riley Hospital Dr, Indianapolis, IN, 46202
    • 575 Riley Hospital Dr, Indianapolis, IN, 46202
    • 11700 N Meridian St, Carmel, IN, 46032
    • 11725 Illinois St, Carmel, IN, 46032

    This result applies to these offices. Other locations are not confirmed.

    HMO-POSDrug coverageH3529-002-003Medicare.gov
    $0a month

Aetna Medicare · Aetna Medicare FIDE

5 plans list Allison.

5plans
  • Aetna Medicare Eagle (PPO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 575 Riley Hospital Dr, Indianapolis, IN, 46202
    • 11725 Illinois St, Ste 275, Carmel, IN, 46032

    This result applies to these offices. Other locations are not confirmed.

    PPONo drug coverage4 starsH5521-286-000Medicare.gov
    $0a month
  • Aetna Medicare Signature (PPO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 575 Riley Hospital Dr, Indianapolis, IN, 46202
    • 11725 Illinois St, Ste 275, Carmel, IN, 46032

    This result applies to these offices. Other locations are not confirmed.

    PPODrug coverage4 starsH5521-231-000Medicare.gov
    $0a month
  • Aetna Medicare Value Care (PPO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 575 Riley Hospital Dr, Indianapolis, IN, 46202
    • 11725 Illinois St, Ste 275, Carmel, IN, 46032

    This result applies to these offices. Other locations are not confirmed.

    PPODrug coverage4 starsH5521-302-000Medicare.gov
    $17a month
  • Aetna Medicare Chronic Care (HMO C-SNP)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 575 Riley Hospital Dr, Indianapolis, IN, 46202
    • 11725 Illinois St, Ste 275, Carmel, IN, 46032

    This result applies to these offices. Other locations are not confirmed.

    HMOFor people with certain chronic conditionsDrug coverage3.5 starsH3192-036-000Medicare.gov
    $0a month

8 more Aetna Medicare plans haven't been checked yet.

Zing Health

5 plans list Allison; not listed on 4 other plans.

5plans
  • Zing Open Choice IN (PPO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 705 Riley Hospital Dr, Indianapolis, IN, 46202
    • 11700 N Meridian St, Carmel, IN, 46032
    • 11725 Illinois St, Ste 275, Carmel, IN, 46032

    This result applies to these offices. Other locations are not confirmed.

    PPODrug coverage3.5 starsH6876-004-000Medicare.gov
    $0a month
  • Zing Select Care IN (HMO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 705 Riley Hospital Dr, Indianapolis, IN, 46202
    • 11700 N Meridian St, Carmel, IN, 46032
    • 11725 Illinois St, Ste 275, Carmel, IN, 46032

    This result applies to these offices. Other locations are not confirmed.

    HMODrug coverage3.5 starsH4624-003-000Medicare.gov
    $0a month
  • Zing Open Choice Diabetes & Heart IN (PPO C-SNP)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 705 Riley Hospital Dr, Indianapolis, IN, 46202
    • 11700 N Meridian St, Carmel, IN, 46032
    • 11725 Illinois St, Ste 275, Carmel, IN, 46032

    This result applies to these offices. Other locations are not confirmed.

    PPOFor people with certain chronic conditionsDrug coverage3.5 starsH6876-005-000Medicare.gov
    $0a month
  • Zing Select Diabetes & Heart IN (HMO C-SNP)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 705 Riley Hospital Dr, Indianapolis, IN, 46202
    • 11700 N Meridian St, Carmel, IN, 46032
    • 11725 Illinois St, Ste 275, Carmel, IN, 46032

    This result applies to these offices. Other locations are not confirmed.

    HMOFor people with certain chronic conditionsDrug coverage3.5 starsH4624-011-000Medicare.gov
    $0a month

5 more Zing Health plans haven't been checked yet.

UnitedHealthcare

4 plans list Allison; not listed on 6 other plans.

4plans
  • UHC PathWays Dual Care IN-Y1 (PPO D-SNP)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 575 Riley Hospital Dr, Indianapolis, IN, 46202
    • 11700 N Meridian St, Carmel, IN, 46032
    • 11725 Illinois St, Ste 275, Carmel, IN, 46032
    • 11725 Illinois St, Carmel, IN, 46032

    This result applies to these offices. Other locations are not confirmed.

    PPOFor people with Medicare and MedicaidDrug coverageH2385-003-000Medicare.gov
    $0a month
  • UHC Dual Complete IN-Q1 (PPO D-SNP)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 575 Riley Hospital Dr, Indianapolis, IN, 46202
    • 11700 N Meridian St, Carmel, IN, 46032
    • 11725 Illinois St, Ste 275, Carmel, IN, 46032
    • 11725 Illinois St, Carmel, IN, 46032

    This result applies to these offices. Other locations are not confirmed.

    PPOFor people with Medicare and MedicaidDrug coverageH2385-002-000Medicare.gov
    $17a month
  • UHC Dual Complete IN-S002 (PPO D-SNP)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 575 Riley Hospital Dr, Indianapolis, IN, 46202
    • 11700 N Meridian St, Carmel, IN, 46032
    • 11725 Illinois St, Ste 275, Carmel, IN, 46032
    • 11725 Illinois St, Carmel, IN, 46032

    This result applies to these offices. Other locations are not confirmed.

    PPOFor people with Medicare and MedicaidDrug coverageH2385-001-000Medicare.gov
    $17a month
  • UHC PathWays Dual Care IN-YL (PPO D-SNP)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 575 Riley Hospital Dr, Indianapolis, IN, 46202
    • 11700 N Meridian St, Carmel, IN, 46032
    • 11725 Illinois St, Ste 275, Carmel, IN, 46032
    • 11725 Illinois St, Carmel, IN, 46032

    This result applies to these offices. Other locations are not confirmed.

    PPOFor people with Medicare and MedicaidDrug coverageH2385-004-000Medicare.gov
    $17a month

10 more UnitedHealthcare plans haven't been checked yet.

Wellcare

3 plans list Allison.

3plans
  • Wellcare Giveback Open (PPO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 11725 Illinois St, Carmel, IN, 46032

    This result applies to these offices. Other locations are not confirmed.

    PPODrug coverage2.5 starsH6348-008-000Medicare.gov
    $0a month
  • Wellcare Simple (HMO-POS)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 11725 Illinois St, Carmel, IN, 46032

    This result applies to these offices. Other locations are not confirmed.

    HMO-POSDrug coverage3 starsH3499-002-000Medicare.gov
    $0a month
  • Wellcare Simple Open (PPO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 11725 Illinois St, Carmel, IN, 46032

    This result applies to these offices. Other locations are not confirmed.

    PPODrug coverage2.5 starsH6348-002-000Medicare.gov
    $0a month

6 more Wellcare plans haven't been checked yet.

Blue Cross and Blue Shield of IL, NM

Not checked yet.

Devoted

Not checked yet.

8 more Devoted plans haven't been checked yet.

Essence Healthcare

Not checked yet.

HealthSpring

Not checked yet.

Molina Healthcare of Illinois

Not checked yet.

MyTruAdvantage

Not listed on its 4 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 Allison takes it. Free.

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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2 practice locations

575 Riley Hospital Dr Ste 2240
Indianapolis, IN 46202

NPI Registry

225 E Chicago Ave, Box 25
Chicago, IL 60611

NPI Registry
NPI issued
2009
Registry record updated
Jan 18, 2021

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

Common questions

Which 2027 Medicare Advantage plans list Allison Hammer?

In Marion County, IN and Cook County, IL, 50 Medicare Advantage plans for 2027 list Allison in provider data from Medicare.gov or the carrier, including Humana Essentials Plus Giveback (PPO), Humana Full Access (PPO) and Humana Gold Plus H5619-189 (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.

Where does Allison Hammer practice?

2 locations, including 575 Riley Hospital Dr Ste 2240, Indianapolis, IN. All of them are listed on this page.

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

Call the member services number on your plan card and give them the NPI 1508191750, or ask a Silverpath advisor to check for you. It's free.

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Talk to a licensed advisor

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

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For providers

Is this your practice?

Patients can use Silverpath to find practices and check plan networks in Marion County, IN and Cook County, IL. 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 2021-01-18). Plan networks: carrier provider directories and Medicare.gov provider data, checked Oct 27, 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 Allison Hammer 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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