Kent Alexander CassmeyerMD
Internal Medicine
2027 Medicare Advantage
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Medicare Advantage plans for St. Charles County, MO.
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Directory results See what each insurance company reports
The 72 Medicare Advantage plans we show for St. Charles County, MO in 2027
- 32 list Kent Alexander
- 40 not listed

Aetna Medicare
13 plans list Kent Alexander.
Aetna Medicare Eagle (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 300 Winding Woods Dr, Ste 214, O Fallon, MO, 63366
- 1003 E Cherry St, Troy, MO, 63379
- 900 E Cherry St, Troy, MO, 63379
This result applies to these offices. Other locations are not confirmed.
$0a monthAetna Medicare Elite (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 300 Winding Woods Dr, Ste 214, O Fallon, MO, 63366
- 1003 E Cherry St, Troy, MO, 63379
- 900 E Cherry St, Troy, MO, 63379
This result applies to these offices. Other locations are not confirmed.
$0a monthAetna Medicare Elite Classic (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 300 Winding Woods Dr, Ste 214, O Fallon, MO, 63366
- 1003 E Cherry St, Troy, MO, 63379
- 900 E Cherry St, Troy, MO, 63379
This result applies to these offices. Other locations are not confirmed.
$0a monthAetna Medicare Elite Classic Extra (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 300 Winding Woods Dr, Ste 214, O Fallon, MO, 63366
- 1003 E Cherry St, Troy, MO, 63379
- 900 E Cherry St, Troy, MO, 63379
This result applies to these offices. Other locations are not confirmed.
$0a month

UnitedHealthcare
11 plans list Kent Alexander.
AARP Medicare Advantage CareFlex from UHC ST-6 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 300 Winding Woods Dr, Ste 214, O Fallon, MO, 63366
This result applies to these offices. Other locations are not confirmed.
$0a monthAARP Medicare Advantage Essentials from UHC ST-3 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 300 Winding Woods Dr, Ste 214, O Fallon, MO, 63366
This result applies to these offices. Other locations are not confirmed.
$0a monthAARP Medicare Advantage from UHC ST-1P (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 300 Winding Woods Dr, Ste 214, O Fallon, MO, 63366
This result applies to these offices. Other locations are not confirmed.
$0a monthAARP Medicare Advantage Patriot No Rx MO-MA01 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 300 Winding Woods Dr, Ste 214, O Fallon, MO, 63366
This result applies to these offices. Other locations are not confirmed.
$0a month

Anthem Blue Cross and Blue Shield · Anthem HealthKeepers
5 plans list Kent Alexander.
Anthem Medicare Advantage (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 300 Winding Woods Dr, O Fallon, MO, 63366
- 1820 Zumbehl Rd, Saint Charles, MO, 63303
This result applies to these offices. Other locations are not confirmed.
$0a monthAnthem Veteran (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 300 Winding Woods Dr, O Fallon, MO, 63366
- 1820 Zumbehl Rd, Saint Charles, MO, 63303
This result applies to these offices. Other locations are not confirmed.
$0a monthAnthem Chronic Care (HMO-POS C-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 300 Winding Woods Dr, O Fallon, MO, 63366
- 1820 Zumbehl Rd, Saint Charles, MO, 63303
This result applies to these offices. Other locations are not confirmed.
$0a monthAnthem Full Dual Advantage (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 300 Winding Woods Dr, O Fallon, MO, 63366
- 1820 Zumbehl Rd, Saint Charles, MO, 63303
This result applies to these offices. Other locations are not confirmed.
$0a month

Wellcare
3 plans list Kent Alexander; not listed on 3 other plans.
Wellcare Patriot Giveback Open (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 300 Winding Woods Dr, Ste 214, O Fallon, MO, 63366
This result applies to these offices. Other locations are not confirmed.
$0a monthWellcare Simple Open (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 300 Winding Woods Dr, Ste 214, O Fallon, MO, 63366
This result applies to these offices. Other locations are not confirmed.
$0a monthWellcare Home State Health Dual Access Open (PPO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 300 Winding Woods Dr, Ste 214, O Fallon, MO, 63366
This result applies to these offices. Other locations are not confirmed.
$0a month

Devoted
Not listed on its 9 plans here. That isn't proof they're out of network.

Essence Healthcare
Not listed on its 5 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.

Humana
Not listed on its 18 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 Kent Alexander 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
- 2016
- Registry record updated
- Aug 28, 2019
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Kent Alexander Cassmeyer?
In St. Charles County, MO, 32 Medicare Advantage plans for 2027 list Kent Alexander in provider data from Medicare.gov or the carrier, including Aetna Medicare Eagle (HMO-POS), Aetna Medicare Elite (PPO) and Aetna Medicare Elite Classic (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.
Does Kent Alexander Cassmeyer take Aetna Medicare Medicare Advantage plans?
Medicare.gov provider data lists Kent Alexander on 13 Medicare Advantage plans for 2027 in St. Charles County, MO, including Aetna Medicare Eagle (HMO-POS) and Aetna Medicare Elite (PPO). 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 Kent Alexander Cassmeyer take UnitedHealthcare Medicare Advantage plans?
Medicare.gov provider data lists Kent Alexander on 11 Medicare Advantage plans for 2027 in St. Charles County, MO, including AARP Medicare Advantage CareFlex from UHC ST-6 (HMO-POS) and AARP Medicare Advantage Essentials from UHC ST-3 (HMO-POS). 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 Kent Alexander Cassmeyer take Anthem Blue Cross and Blue Shield Medicare Advantage plans?
Medicare.gov provider data lists Kent Alexander on 5 Medicare Advantage plans for 2027 in St. Charles County, MO, including Anthem Medicare Advantage (HMO-POS) and Anthem Veteran (PPO). 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.
Where does Kent Alexander Cassmeyer practice?
300 Winding Woods Dr Ste 214, O Fallon, MO 63366.
How do I confirm Kent Alexander is in my plan's network?
Call the member services number on your plan card and give them the NPI 1417307505, 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 Kent Alexander Cassmeyer on 37 plans from Devoted, Essence Healthcare, HealthSpring and Humana in St. Charles County, MO. 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.