Guillermo FontMD
Obstetrics & Gynecology, Maternal & Fetal Medicine
2027 Medicare Advantage
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Medicare Advantage plans for Cook County, IL.
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Directory results See what each insurance company reports
The 64 Medicare Advantage plans we show for Cook County, IL in 2027
- 40 list Guillermo
- 24 not listed

UnitedHealthcare
9 plans list Guillermo; not listed on 1 other plan.
AARP Medicare Advantage Essentials from UHC IL-8 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 85 E US Highway 6, Ste 220, Valparaiso, IN, 46383
- 85 E US Highway 6, Ste 120, Valparaiso, IN, 46383
- 85 E US Highway 6, Ste 230, Valparaiso, IN, 46383
- 85 E US Highway 6, Ste 102, Valparaiso, IN, 46383
This result applies to these offices. Other locations are not confirmed.
$0a monthAARP Medicare Advantage Extras from UHC IL-9 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 85 E US Highway 6, Ste 220, Valparaiso, IN, 46383
- 85 E US Highway 6, Ste 120, Valparaiso, IN, 46383
- 85 E US Highway 6, Ste 230, Valparaiso, IN, 46383
- 85 E US Highway 6, Ste 102, Valparaiso, IN, 46383
This result applies to these offices. Other locations are not confirmed.
$0a monthAARP Medicare Advantage from UHC IL-2 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 85 E US Highway 6, Ste 220, Valparaiso, IN, 46383
- 85 E US Highway 6, Ste 120, Valparaiso, IN, 46383
- 85 E US Highway 6, Ste 230, Valparaiso, IN, 46383
- 85 E US Highway 6, Ste 102, Valparaiso, IN, 46383
This result applies to these offices. Other locations are not confirmed.
$0a monthAARP Medicare Advantage from UHC IL-5 (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 85 E US Highway 6, Ste 220, Valparaiso, IN, 46383
- 85 E US Highway 6, Ste 120, Valparaiso, IN, 46383
- 85 E US Highway 6, Ste 230, Valparaiso, IN, 46383
- 85 E US Highway 6, Ste 102, Valparaiso, IN, 46383
This result applies to these offices. Other locations are not confirmed.
$0a month

Aetna Medicare · Aetna Medicare FIDE
8 plans list Guillermo; not listed on 1 other plan.
Aetna Medicare Eagle (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 12935 Gregory St, Blue Island, IL, 60406
- 85 E US Highway 6, Ste 220, Valparaiso, IN, 46383
- 85 E US Highway 6, Ste 120, Valparaiso, IN, 46383
- 85 E US Highway 6, Ste 230, Valparaiso, IN, 46383
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:
- 12935 Gregory St, Blue Island, IL, 60406
- 85 E US Highway 6, Ste 230, Valparaiso, IN, 46383
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:
- 12935 Gregory St, Blue Island, IL, 60406
- 85 E US Highway 6, Ste 230, Valparaiso, IN, 46383
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:
- 12935 Gregory St, Blue Island, IL, 60406
- 85 E US Highway 6, Ste 220, Valparaiso, IN, 46383
- 85 E US Highway 6, Ste 120, Valparaiso, IN, 46383
- 85 E US Highway 6, Ste 230, Valparaiso, IN, 46383
This result applies to these offices. Other locations are not confirmed.
$0a month

Devoted
8 plans list Guillermo.
DEVOTED CHOICE 001 IL (PPO)
Source: Devoted provider directory.
Listed offices for this plan:
- 1725 W Harrison St, Suite 1129, Chicago, IL, 60612
- 1725 W Harrison St, Suite 762, Chicago, IL, 60612
- 1645 W Jackson Blvd, Suite 310, Chicago, IL, 60612
- 85 E US Highway 6, Valparaiso, IN, 46383
- 1509 State St, La Porte, IN, 46350
- 85 E US Highway 6 Ste 220, Valparaiso, IN, 46383
- 85 E US Highway 6 Ste 120, Valparaiso, IN, 46383
- 1620 W Harrison St, Chicago, IL, 60612
This result applies to these offices. Other locations are not confirmed.
$0a monthDEVOTED CHOICE 010 IL (PPO)
Source: Devoted provider directory.
Listed offices for this plan:
- 1725 W Harrison St, Suite 1129, Chicago, IL, 60612
- 1725 W Harrison St, Suite 762, Chicago, IL, 60612
- 1645 W Jackson Blvd, Suite 310, Chicago, IL, 60612
- 85 E US Highway 6, Valparaiso, IN, 46383
- 1509 State St, La Porte, IN, 46350
- 85 E US Highway 6 Ste 220, Valparaiso, IN, 46383
- 85 E US Highway 6 Ste 120, Valparaiso, IN, 46383
- 1620 W Harrison St, Chicago, IL, 60612
This result applies to these offices. Other locations are not confirmed.
$0a monthDEVOTED CORE 001 IL (HMO)
Source: Devoted provider directory.
Listed offices for this plan:
- 1725 W Harrison St, Suite 762, Chicago, IL, 60612
- 85 E US Highway 6, Valparaiso, IN, 46383
- 1620 W Harrison St, Chicago, IL, 60612
- 1645 W Jackson Blvd, Suite 310, Chicago, IL, 60612
- 85 E US Highway 6 Ste 230, Valparaiso, IN, 46383
- 1725 W Harrison St, Suite 1129, Chicago, IL, 60612
- 1509 State St, La Porte, IN, 46350
- 85 E US Highway 6 Ste 120, Valparaiso, IN, 46383
This result applies to these offices. Other locations are not confirmed.
$0a monthDEVOTED GIVEBACK 003 IL (HMO)
Source: Devoted provider directory.
Listed offices for this plan:
- 1725 W Harrison St, Suite 762, Chicago, IL, 60612
- 85 E US Highway 6, Valparaiso, IN, 46383
- 1620 W Harrison St, Chicago, IL, 60612
- 1645 W Jackson Blvd, Suite 310, Chicago, IL, 60612
- 85 E US Highway 6 Ste 230, Valparaiso, IN, 46383
- 1725 W Harrison St, Suite 1129, Chicago, IL, 60612
- 1509 State St, La Porte, IN, 46350
- 85 E US Highway 6 Ste 120, Valparaiso, IN, 46383
This result applies to these offices. Other locations are not confirmed.
$0a month

Humana
8 plans list Guillermo; not listed on 5 other plans.
Humana USAA Honor Giveback (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 85 E US Highway 6, Ste 120, Valparaiso, IN, 46383
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:
- 85 E US Highway 6, Ste 120, Valparaiso, IN, 46383
This result applies to these offices. Other locations are not confirmed.
$0a monthHumana USAA Honor Giveback (Regional PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 85 E US Highway 6, Ste 120, Valparaiso, IN, 46383
This result applies to these offices. Other locations are not confirmed.
$0a monthHumana Value Choice (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 85 E US Highway 6, Ste 120, Valparaiso, IN, 46383
This result applies to these offices. Other locations are not confirmed.
$0a month

Zing Health
4 plans list Guillermo; not listed on 3 other plans.
Zing Select Care IL (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1620 W Harrison St, Chicago, IL, 60612
- 1725 W Harrison St, Ste 762, Chicago, IL, 60612
- 1725 W Harrison St, Ste 1129, Chicago, IL, 60612
- 1645 W Jackson Blvd, Ste 310, Chicago, IL, 60612
- 45 W 111th St, Chicago, IL, 60628
This result applies to these offices. Other locations are not confirmed.
$0a monthZing Select Diabetes & Heart Complete IL (HMO C-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1620 W Harrison St, Chicago, IL, 60612
- 1725 W Harrison St, Ste 762, Chicago, IL, 60612
- 1725 W Harrison St, Ste 1129, Chicago, IL, 60612
- 1645 W Jackson Blvd, Ste 310, Chicago, IL, 60612
- 45 W 111th St, Chicago, IL, 60628
This result applies to these offices. Other locations are not confirmed.
$0a monthZing Select Diabetes & Heart IL (HMO C-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1620 W Harrison St, Chicago, IL, 60612
- 1725 W Harrison St, Ste 762, Chicago, IL, 60612
- 1725 W Harrison St, Ste 1129, Chicago, IL, 60612
- 1645 W Jackson Blvd, Ste 310, Chicago, IL, 60612
- 45 W 111th St, Chicago, IL, 60628
This result applies to these offices. Other locations are not confirmed.
$0a monthZing Select Dialysis IL (HMO C-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1620 W Harrison St, Chicago, IL, 60612
- 1725 W Harrison St, Ste 762, Chicago, IL, 60612
- 1725 W Harrison St, Ste 1129, Chicago, IL, 60612
- 1645 W Jackson Blvd, Ste 310, Chicago, IL, 60612
- 45 W 111th St, Chicago, IL, 60628
This result applies to these offices. Other locations are not confirmed.
$0a month

Blue Cross and Blue Shield of IL, NM
1 plan lists Guillermo.
Blue Cross Medicare Advantage Basic (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1620 W Harrison St, Chicago, IL, 60612
- 1725 W Harrison St, Ste 762, Chicago, IL, 60612
- 1725 W Harrison St, Ste 1129, Chicago, IL, 60612
This result applies to these offices. Other locations are not confirmed.
$29a month

Molina Healthcare of Illinois
1 plan lists Guillermo.
Molina Medicare Complete Care Plus (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 45 W 111th St, Chicago, IL, 60628
This result applies to these offices. Other locations are not confirmed.
$0a month

Wellcare
1 plan lists Guillermo; not listed on 5 other plans.
Wellcare Meridian Dual Align (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 45 W 111th St, Chicago, IL, 60628
- 45 W 111th St, Fl 3, Chicago, IL, 60628
This result applies to these offices. Other locations are not confirmed.
$0a month

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.
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 Guillermo 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
- Jul 14, 2025
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Guillermo Font?
In Cook County, IL, 40 Medicare Advantage plans for 2027 list Guillermo in provider data from Medicare.gov or the carrier, including AARP Medicare Advantage Essentials from UHC IL-8 (HMO-POS), AARP Medicare Advantage Extras from UHC IL-9 (HMO-POS) and AARP Medicare Advantage from UHC IL-2 (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 Guillermo Font take UnitedHealthcare Medicare Advantage plans?
Medicare.gov provider data lists Guillermo on 9 Medicare Advantage plans for 2027 in Cook County, IL, including AARP Medicare Advantage Essentials from UHC IL-8 (HMO-POS) and AARP Medicare Advantage Extras from UHC IL-9 (HMO-POS). 1 other plan 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 UnitedHealthcare before you enroll.
Does Guillermo Font take Aetna Medicare Medicare Advantage plans?
Medicare.gov provider data lists Guillermo on 8 Medicare Advantage plans for 2027 in Cook County, IL, including Aetna Medicare Eagle (PPO) and Aetna Medicare Prime (HMO-POS). 1 other plan 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 Aetna Medicare before you enroll.
Does Guillermo Font take Devoted Medicare Advantage plans?
Devoted's own provider directory lists Guillermo on 8 Medicare Advantage plans for 2027 in Cook County, IL, including DEVOTED CHOICE 001 IL (PPO) and DEVOTED CHOICE 010 IL (PPO). Confirm with the office or Devoted before you enroll.
Where does Guillermo Font practice?
2 locations, including 814 Park Ave, River Forest, IL. All of them are listed on this page.
How do I confirm Guillermo is in my plan's network?
Call the member services number on your plan card and give them the NPI 1760421382, 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 Guillermo Font on 9 plans from Essence Healthcare and HealthSpring in Cook County, IL. 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.