Nathaniel LeonardiDO
Internal Medicine, Nephrology
2027 Medicare Advantage
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Medicare Advantage plans for Cook County, IL and Marion County, IN.
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Directory results See what each insurance company reports
Listed on 35 plans so far
Some of Humana, Aetna Medicare, Devoted, Wellcare, Blue Cross and Blue Shield of IL, NM, Molina Healthcare of Illinois, Anthem Blue Cross and Blue Shield, Essence Healthcare, HealthSpring, MyTruAdvantage, UnitedHealthcare and Zing Health's 2027 plans in Cook County, IL and Marion County, IN haven't been checked yet.
The 131 Medicare Advantage plans we show for Cook County, IL and Marion County, IN in 2027
- 35 list Nathaniel
- 29 not listed
- 67 not checked yet
Humana
11 plans list Nathaniel; not listed on 2 other plans.
Humana Essentials Plus Giveback (HMO)
Source: Humana provider directory.
Listed offices for this plan:
- 1625 N Harlem Ave, Chicago, IL, 60707
- 1725 W Harrison St, Ste 161, Chicago, IL, 60612
- 2011 York Rd, Ste 2000A, Oak Brook, IL, 60523
- 2040 Ogden Ave, Aurora, IL, 60504
- 9200 Calumet Ave, Munster, IN, 46321
This result applies to these offices. Other locations are not confirmed.
$0a monthHumana Total Complete (HMO)
Source: Humana provider directory.
Listed offices for this plan:
- 1625 N Harlem Ave, Chicago, IL, 60707
- 1725 W Harrison St, Ste 161, Chicago, IL, 60612
- 2011 York Rd, Ste 2000A, Oak Brook, IL, 60523
- 2040 Ogden Ave, Aurora, IL, 60504
- 9200 Calumet Ave, Munster, IN, 46321
This result applies to these offices. Other locations are not confirmed.
$0a monthHumana USAA Honor Giveback (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 1625 N Harlem Ave, Chicago, IL, 60707
- 1725 W Harrison St, Ste 161, Chicago, IL, 60612
- 2011 York Rd, Ste 2000A, Oak Brook, IL, 60523
- 2040 Ogden Ave, Aurora, IL, 60504
- 9200 Calumet Ave, Munster, IN, 46321
This result applies to these offices. Other locations are not confirmed.
$0a monthHumana USAA Honor Giveback (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 1625 N Harlem Ave, Chicago, IL, 60707
- 1725 W Harrison St, Ste 161, Chicago, IL, 60612
- 2011 York Rd, Ste 2000A, Oak Brook, IL, 60523
- 2040 Ogden Ave, Aurora, IL, 60504
- 9200 Calumet Ave, Munster, IN, 46321
This result applies to these offices. Other locations are not confirmed.
$0a month
17 more Humana plans haven't been checked yet.
Aetna Medicare · Aetna Medicare FIDE
8 plans list Nathaniel; not listed on 1 other plan.
Aetna Medicare Eagle (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1725 W Harrison St, Ste 161, Chicago, IL, 60612
- 1625 N Harlem Ave, Chicago, IL, 60707
- 2011 York Rd, Ste 2000A, Oak Brook, IL, 60523
- 9200 Calumet Ave, Munster, IN, 46321
- 2040 Ogden Ave, Aurora, IL, 60504
This result applies to these offices. Other locations are not confirmed.
$0a monthAetna Medicare Prime (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1725 W Harrison St, Ste 161, Chicago, IL, 60612
- 1625 N Harlem Ave, Chicago, IL, 60707
- 2011 York Rd, Ste 2000A, Oak Brook, IL, 60523
- 9200 Calumet Ave, Munster, IN, 46321
- 2040 Ogden Ave, Aurora, IL, 60504
This result applies to these offices. Other locations are not confirmed.
$0a monthAetna Medicare Prime Extra Care (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1725 W Harrison St, Ste 161, Chicago, IL, 60612
- 1625 N Harlem Ave, Chicago, IL, 60707
- 2011 York Rd, Ste 2000A, Oak Brook, IL, 60523
- 9200 Calumet Ave, Munster, IN, 46321
- 2040 Ogden Ave, Aurora, IL, 60504
This result applies to these offices. Other locations are not confirmed.
$0a monthAetna Medicare Signature (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1725 W Harrison St, Ste 161, Chicago, IL, 60612
- 1625 N Harlem Ave, Chicago, IL, 60707
- 2011 York Rd, Ste 2000A, Oak Brook, IL, 60523
- 9200 Calumet Ave, Munster, IN, 46321
- 2040 Ogden Ave, Aurora, IL, 60504
This result applies to these offices. Other locations are not confirmed.
$0a month
4 more Aetna Medicare plans haven't been checked yet.
Devoted
8 plans list Nathaniel.
DEVOTED CHOICE 001 IL (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1725 W Harrison St, Ste 161, Chicago, IL, 60612
- 1625 N Harlem Ave, Chicago, IL, 60707
- 2011 York Rd, Ste 2000A, Oak Brook, IL, 60523
- 9200 Calumet Ave, Munster, IN, 46321
- 1890 Silver Cross Blvd, Ste 375, New Lenox, IL, 60451
- 2040 Ogden Ave, Aurora, IL, 60504
This result applies to these offices. Other locations are not confirmed.
$0a monthDEVOTED CHOICE 010 IL (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1725 W Harrison St, Ste 161, Chicago, IL, 60612
- 1625 N Harlem Ave, Chicago, IL, 60707
- 2011 York Rd, Ste 2000A, Oak Brook, IL, 60523
- 9200 Calumet Ave, Munster, IN, 46321
- 1890 Silver Cross Blvd, Ste 375, New Lenox, IL, 60451
- 2040 Ogden Ave, Aurora, IL, 60504
This result applies to these offices. Other locations are not confirmed.
$0a monthDEVOTED CORE 001 IL (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1725 W Harrison St, Ste 161, Chicago, IL, 60612
- 1625 N Harlem Ave, Chicago, IL, 60707
- 2011 York Rd, Ste 2000A, Oak Brook, IL, 60523
- 9200 Calumet Ave, Munster, IN, 46321
- 1890 Silver Cross Blvd, Ste 375, New Lenox, IL, 60451
- 2040 Ogden Ave, Aurora, IL, 60504
This result applies to these offices. Other locations are not confirmed.
$0a monthDEVOTED GIVEBACK 003 IL (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1725 W Harrison St, Ste 161, Chicago, IL, 60612
- 1625 N Harlem Ave, Chicago, IL, 60707
- 2011 York Rd, Ste 2000A, Oak Brook, IL, 60523
- 9200 Calumet Ave, Munster, IN, 46321
- 1890 Silver Cross Blvd, Ste 375, New Lenox, IL, 60451
- 2040 Ogden Ave, Aurora, IL, 60504
This result applies to these offices. Other locations are not confirmed.
$0a month
6 more Devoted plans haven't been checked yet.
Wellcare
6 plans list Nathaniel.
Wellcare Giveback (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1725 W Harrison St, Ste 161, Chicago, IL, 60612
- 1625 N Harlem Ave, Chicago, IL, 60707
- 2011 York Rd, Ste 2000A, Oak Brook, IL, 60523
- 9200 Calumet Ave, Munster, IN, 46321
- 2040 Ogden Ave, Aurora, IL, 60504
- Emile At 42nd St, Omaha, NE, 68198
This result applies to these offices. Other locations are not confirmed.
$0a monthWellcare Simple (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1725 W Harrison St, Ste 161, Chicago, IL, 60612
- 1625 N Harlem Ave, Chicago, IL, 60707
- 2011 York Rd, Ste 2000A, Oak Brook, IL, 60523
- 9200 Calumet Ave, Munster, IN, 46321
- 2040 Ogden Ave, Aurora, IL, 60504
- Emile At 42nd St, Omaha, NE, 68198
This result applies to these offices. Other locations are not confirmed.
$0a monthWellcare Simple Essential (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1725 W Harrison St, Ste 161, Chicago, IL, 60612
- 1625 N Harlem Ave, Chicago, IL, 60707
- 2011 York Rd, Ste 2000A, Oak Brook, IL, 60523
- 9200 Calumet Ave, Munster, IN, 46321
- 2040 Ogden Ave, Aurora, IL, 60504
- Emile At 42nd St, Omaha, NE, 68198
This result applies to these offices. Other locations are not confirmed.
$0a monthWellcare Simple Exclusive (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1725 W Harrison St, Ste 161, Chicago, IL, 60612
- 1625 N Harlem Ave, Chicago, IL, 60707
- 2011 York Rd, Ste 2000A, Oak Brook, IL, 60523
- 9200 Calumet Ave, Munster, IN, 46321
- 2040 Ogden Ave, Aurora, IL, 60504
- Emile At 42nd St, Omaha, NE, 68198
This result applies to these offices. Other locations are not confirmed.
$0a month
3 more Wellcare plans haven't been checked yet.
Blue Cross and Blue Shield of IL, NM
1 plan lists Nathaniel.
Blue Cross Medicare Advantage Basic (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1725 W Harrison St, Ste 161, Chicago, IL, 60612
- 1625 N Harlem Ave, Chicago, IL, 60707
- 2011 York Rd, Ste 2000A, Oak Brook, IL, 60523
- 2040 Ogden Ave, Aurora, IL, 60504
This result applies to these offices. Other locations are not confirmed.
$29a month
Molina Healthcare of Illinois
1 plan lists Nathaniel.
Molina Medicare Complete Care Plus (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 2011 York Rd, Ste 2000A, Oak Brook, IL, 60523
This result applies to these offices. Other locations are not confirmed.
$0a month
Anthem Blue Cross and Blue Shield · Anthem HealthKeepers
Not checked yet.
Essence Healthcare
Not listed on its 4 plans here. That isn't proof they're out of network.
HealthSpring
Not listed on its 5 plans here. That isn't proof they're out of network.
MyTruAdvantage
Not checked yet.
UnitedHealthcare
Not checked yet.
10 more UnitedHealthcare plans haven't been checked yet.
Zing Health
Not checked yet.
7 more Zing Health 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
- 2020
- Registry record updated
- May 4, 2026
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Nathaniel Leonardi?
In Cook County, IL and Marion County, IN, 35 Medicare Advantage plans for 2027 list Nathaniel in provider data from Medicare.gov or the carrier, including Humana Essentials Plus Giveback (HMO), Humana Total Complete (HMO) and Humana USAA Honor Giveback (PPO). 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 Nathaniel Leonardi practice?
2 locations, including 1725 W Harrison St Ste 161, Chicago, IL. All of them are listed on this page.
How do I confirm Nathaniel is in my plan's network?
Call the member services number on your plan card and give them the NPI 1427685445, 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 Cook County, IL and Marion County, IN. 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.