Michael MastromichalisMD
Urology
2027 Medicare Advantage
Check your plan
Medicare Advantage plans for Jefferson County, MO.
Use the name or plan ID on your member card, or choose your insurance company.
Directory results See what each insurance company reports
The 71 Medicare Advantage plans we show for Jefferson County, MO in 2027
- 26 list Michael
- 45 not listed
Aetna Medicare
13 plans list Michael.
Aetna Medicare Eagle (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1011 Bowles Ave, Ste 425, Fenton, MO, 63026
- 4607 Maccorkle Ave SW, Ste 206, South Charleston, WV, 25309
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:
- 1011 Bowles Ave, Ste 425, Fenton, MO, 63026
- 4607 Maccorkle Ave SW, Ste 206, South Charleston, WV, 25309
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:
- 1011 Bowles Ave, Ste 425, Fenton, MO, 63026
- 4607 Maccorkle Ave SW, Ste 206, South Charleston, WV, 25309
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:
- 1011 Bowles Ave, Ste 425, Fenton, MO, 63026
- 4607 Maccorkle Ave SW, Ste 206, South Charleston, WV, 25309
This result applies to these offices. Other locations are not confirmed.
$0a month
Humana
9 plans list Michael; not listed on 9 other plans.
Humana Essentials Plus Giveback (HMO)
Source: Humana provider directory.
Listed offices for this plan:
- 1011 Bowles Ave, Ste 425, Fenton, MO, 63026
This result applies to these offices. Other locations are not confirmed.
$0a monthHumana Essentials Plus Giveback (HMO)
Source: Humana provider directory.
Listed offices for this plan:
- 1011 Bowles Ave, Ste 425, Fenton, MO, 63026
This result applies to these offices. Other locations are not confirmed.
$0a monthHumana Gold Choice H8145-126 (PFFS)
Source: Humana provider directory.
The source lists the clinician on this plan, but hasn't identified a covered office. Confirm your office before enrolling.
$0a monthHumana Total Complete (HMO)
Source: Humana provider directory.
Listed offices for this plan:
- 1011 Bowles Ave, Ste 425, Fenton, MO, 63026
This result applies to these offices. Other locations are not confirmed.
$0a month
Wellcare
3 plans list Michael; not listed on 3 other plans.
Wellcare Simple (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1011 Bowles Ave, Ste 425, Fenton, MO, 63026
This result applies to these offices. Other locations are not confirmed.
$0a monthWellcare Home State Health Dual Access (HMO-POS D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1011 Bowles Ave, Ste 425, Fenton, MO, 63026
This result applies to these offices. Other locations are not confirmed.
$0a monthWellcare Home State Health Dual Reserve (HMO-POS D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1011 Bowles Ave, Ste 425, Fenton, MO, 63026
This result applies to these offices. Other locations are not confirmed.
$18.40a month
Anthem Blue Cross and Blue Shield · Anthem HealthKeepers
1 plan lists Michael; not listed on 3 other plans.
Anthem Veteran (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 4605 Maccorkle Ave SW, South Charleston, WV, 25309
- 4607 Maccorkle Ave SW, South Charleston, WV, 25309
- 1095 Fledderjohn Rd, Charleston, WV, 25314
- 333 Laidley St, Charleston, WV, 25301
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.
UnitedHealthcare
Not listed on its 11 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 Michael 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
- 2007
- Registry record updated
- Nov 5, 2020
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Michael Mastromichalis?
In Jefferson County, MO, 26 Medicare Advantage plans for 2027 list Michael 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 Michael Mastromichalis take Aetna Medicare Medicare Advantage plans?
Medicare.gov provider data lists Michael on 13 Medicare Advantage plans for 2027 in Jefferson 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 Michael Mastromichalis take Humana Medicare Advantage plans?
Humana's own provider directory lists Michael on 9 Medicare Advantage plans for 2027 in Jefferson County, MO, including Humana Essentials Plus Giveback (HMO). 9 other plans did not return a listing in the search area. Confirm with the office or Humana before you enroll.
Does Michael Mastromichalis take Wellcare Medicare Advantage plans?
Medicare.gov provider data lists Michael on 3 Medicare Advantage plans for 2027 in Jefferson County, MO, including Wellcare Simple (HMO-POS) and Wellcare Home State Health Dual Access (HMO-POS D-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 Wellcare before you enroll.
Where does Michael Mastromichalis practice?
1011 Bowles Ave Ste 425, Fenton, MO 63026.
How do I confirm Michael is in my plan's network?
Call the member services number on your plan card and give them the NPI 1346444700, 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 Michael Mastromichalis on 30 plans from Devoted, Essence Healthcare, HealthSpring and UnitedHealthcare in Jefferson 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.