William KobakMD
Obstetrics & Gynecology, Gynecology
2027 Medicare Advantage
Check your plan
Medicare Advantage plans for Kane 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 20 Medicare Advantage plans for 2027
Carrier directories and Medicare.gov provider data list William on these plans. Review each plan's covered offices before enrolling. One directory didn't answer this time; we'll try it again.
The 55 Medicare Advantage plans we show for Kane County, IL in 2027
- 20 list William
- 26 not listed
- 9 not checked yet

Wellcare
6 plans list William.
Wellcare Giveback (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1901 W Harrison St, Chicago, IL, 60612
- 1801 W Taylor St, # 4A, Chicago, IL, 60612
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:
- 1901 W Harrison St, Chicago, IL, 60612
- 1801 W Taylor St, # 4A, Chicago, IL, 60612
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:
- 1901 W Harrison St, Chicago, IL, 60612
- 1801 W Taylor St, # 4A, Chicago, IL, 60612
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:
- 1901 W Harrison St, Chicago, IL, 60612
- 1801 W Taylor St, # 4A, Chicago, IL, 60612
This result applies to these offices. Other locations are not confirmed.
$0a month

HealthSpring
5 plans list William.
HealthSpring Preferred (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1500 S Fairfield Ave, Chicago, IL, 60608
- 2653 W Ogden Ave, Fl 3, Chicago, IL, 60608
- 1801 W Taylor St, Chicago, IL, 60612
- 500 E 51st St, Chicago, IL, 60615
This result applies to these offices. Other locations are not confirmed.
$0a monthHealthSpring Preferred Savings (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1500 S Fairfield Ave, Chicago, IL, 60608
- 2653 W Ogden Ave, Fl 3, Chicago, IL, 60608
- 1801 W Taylor St, Chicago, IL, 60612
- 500 E 51st St, Chicago, IL, 60615
This result applies to these offices. Other locations are not confirmed.
$0a monthHealthSpring Premier (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1500 S Fairfield Ave, Chicago, IL, 60608
- 2653 W Ogden Ave, Fl 3, Chicago, IL, 60608
- 1801 W Taylor St, Chicago, IL, 60612
- 500 E 51st St, Chicago, IL, 60615
This result applies to these offices. Other locations are not confirmed.
$0a monthHealthSpring True Choice (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1500 S Fairfield Ave, Chicago, IL, 60608
- 2653 W Ogden Ave, Fl 3, Chicago, IL, 60608
- 1801 W Taylor St, Chicago, IL, 60612
- 500 E 51st St, Chicago, IL, 60615
This result applies to these offices. Other locations are not confirmed.
$0a month

Zing Health
4 plans list William; not listed on 3 other plans.
Zing Select Care IL (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1500 S Fairfield Ave, Chicago, IL, 60608
- 2653 W Ogden Ave, Fl 3, Chicago, IL, 60608
- 1901 W Harrison St, Chicago, IL, 60612
- 1009 S Wood St, Chicago, IL, 60612
- 1801 W Taylor St, Chicago, IL, 60612
- 1740 W Taylor St, Chicago, IL, 60612
- 500 E 51st St, Chicago, IL, 60615
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:
- 1500 S Fairfield Ave, Chicago, IL, 60608
- 2653 W Ogden Ave, Fl 3, Chicago, IL, 60608
- 1901 W Harrison St, Chicago, IL, 60612
- 1009 S Wood St, Chicago, IL, 60612
- 1801 W Taylor St, Chicago, IL, 60612
- 1740 W Taylor St, Chicago, IL, 60612
- 500 E 51st St, Chicago, IL, 60615
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:
- 1500 S Fairfield Ave, Chicago, IL, 60608
- 2653 W Ogden Ave, Fl 3, Chicago, IL, 60608
- 1901 W Harrison St, Chicago, IL, 60612
- 1009 S Wood St, Chicago, IL, 60612
- 1801 W Taylor St, Chicago, IL, 60612
- 1740 W Taylor St, Chicago, IL, 60612
- 500 E 51st St, Chicago, IL, 60615
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:
- 1500 S Fairfield Ave, Chicago, IL, 60608
- 2653 W Ogden Ave, Fl 3, Chicago, IL, 60608
- 1901 W Harrison St, Chicago, IL, 60612
- 1009 S Wood St, Chicago, IL, 60612
- 1801 W Taylor St, Chicago, IL, 60612
- 1740 W Taylor St, Chicago, IL, 60612
- 500 E 51st St, Chicago, IL, 60615
This result applies to these offices. Other locations are not confirmed.
$0a month

Aetna Medicare · Aetna Medicare FIDE
3 plans list William; not listed on 1 other plan.
Aetna Medicare Eagle (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 2653 W Ogden Ave, Fl 3, Chicago, IL, 60608
- 1901 W Harrison St, Chicago, IL, 60612
- 1801 W Taylor St, Chicago, IL, 60612
- 500 E 51st St, Chicago, IL, 60615
This result applies to these offices. Other locations are not confirmed.
$0a monthAetna Medicare Signature (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 2653 W Ogden Ave, Fl 3, Chicago, IL, 60608
- 1901 W Harrison St, Chicago, IL, 60612
- 1801 W Taylor St, Chicago, IL, 60612
- 500 E 51st St, Chicago, IL, 60615
This result applies to these offices. Other locations are not confirmed.
$0a monthAetna Medicare Prime Chronic Care (HMO C-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 2653 W Ogden Ave, Fl 3, Chicago, IL, 60608
- 1801 W Taylor St, Chicago, IL, 60612
This result applies to these offices. Other locations are not confirmed.
$0a month

Blue Cross and Blue Shield of IL, NM
1 plan lists William.
Blue Cross Medicare Advantage Basic (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 2653 W Ogden Ave, Fl 3, Chicago, IL, 60608
This result applies to these offices. Other locations are not confirmed.
$29a month
1 more Blue Cross and Blue Shield of IL, NM plan hasn't been checked yet.

Molina Healthcare of Illinois
1 plan lists William.
Molina Medicare Complete Care Plus (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 2653 W Ogden Ave, Fl A, Chicago, IL, 60608
This result applies to these offices. Other locations are not confirmed.
$0a month

Devoted
Not listed on its 8 plans here. That isn't proof they're out of network.

Essence Healthcare
Not listed on its 1 plan here. That isn't proof they're out of network.

Humana
This directory didn't answer. We'll try again shortly.
8 more Humana plans haven't been checked yet.

UnitedHealthcare
Not listed on its 10 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 William 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
Practice location
- NPI issued
- 2005
- Registry record updated
- Jan 29, 2025
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list William Kobak?
In Kane County, IL, 20 Medicare Advantage plans for 2027 list William in provider data from Medicare.gov or the carrier, including Wellcare Giveback (HMO), Wellcare Simple (HMO-POS) and Wellcare Simple Essential (HMO). 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 William Kobak take Wellcare Medicare Advantage plans?
Medicare.gov provider data lists William on 6 Medicare Advantage plans for 2027 in Kane County, IL, including Wellcare Giveback (HMO) and Wellcare Simple (HMO-POS). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or Wellcare before you enroll.
Does William Kobak take HealthSpring Medicare Advantage plans?
Medicare.gov provider data lists William on 5 Medicare Advantage plans for 2027 in Kane County, IL, including HealthSpring Preferred (HMO) and HealthSpring Preferred Savings (HMO). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or HealthSpring before you enroll.
Does William Kobak take Zing Health Medicare Advantage plans?
Medicare.gov provider data lists William on 4 Medicare Advantage plans for 2027 in Kane County, IL, including Zing Select Care IL (HMO) and Zing Select Diabetes & Heart Complete IL (HMO C-SNP). 3 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 William Kobak practice?
3310 W Main St, Suite 200, St Charles, IL 60175.
How do I confirm William is in my plan's network?
Call the member services number on your plan card and give them the NPI 1023007887, 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 William Kobak on 19 plans from Devoted, Essence Healthcare and UnitedHealthcare in Kane 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.