William ThinnesMD
Internal Medicine, Critical Care Medicine
2027 Medicare Advantage
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Medicare Advantage plans for St. Louis city and St. Louis counties, MO.
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Directory results See what each insurance company reports
Listed on 49 plans so far
Some of Humana, Aetna Medicare, UnitedHealthcare, Devoted, Anthem Blue Cross and Blue Shield, Essence Healthcare, HealthSpring and Wellcare's 2027 plans in St. Louis city and St. Louis counties, MO haven't been checked yet.
The 72 Medicare Advantage plans we show for St. Louis city and St. Louis counties, MO in 2027
- 49 list William
- 22 not listed
- 1 not checked yet

Humana
17 plans list William.
Humana Essentials Plus Giveback (HMO)
Source: Humana provider directory.
Listed offices for this plan:
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110
- 4921 Parkview Pl, Ste 8B, Saint Louis, MO, 63110
- 3630 S Geyer Rd, Ste 410, Saint Louis, MO, 63127
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:
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110
- 4921 Parkview Pl, Ste 8B, Saint Louis, MO, 63110
- 3630 S Geyer Rd, Ste 410, Saint Louis, MO, 63127
This result applies to these offices. Other locations are not confirmed.
$0a monthHumana Full Access (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110
- 4921 Parkview Pl, Ste 8B, Saint Louis, MO, 63110
- 3630 S Geyer Rd, Ste 410, Saint Louis, MO, 63127
This result applies to these offices. Other locations are not confirmed.
$0a monthHumana Full Access (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110
- 4921 Parkview Pl, Ste 8B, Saint Louis, MO, 63110
- 3630 S Geyer Rd, Ste 410, Saint Louis, MO, 63127
This result applies to these offices. Other locations are not confirmed.
$0a month
1 more Humana plan hasn't been checked yet.

Aetna Medicare
13 plans list William.
Aetna Medicare Eagle (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 4249 Clayton Ave, Fl 2, Saint Louis, MO, 63110
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110
- 4921 Parkview Pl, Ste 8B, Saint Louis, MO, 63110
- 3015 N Ballas Rd, Saint Louis, MO, 63131
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:
- 4249 Clayton Ave, Fl 2, Saint Louis, MO, 63110
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110
- 4921 Parkview Pl, Ste 8B, Saint Louis, MO, 63110
- 3015 N Ballas Rd, Saint Louis, MO, 63131
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:
- 4249 Clayton Ave, Fl 2, Saint Louis, MO, 63110
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110
- 4921 Parkview Pl, Ste 8B, Saint Louis, MO, 63110
- 3015 N Ballas Rd, Saint Louis, MO, 63131
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:
- 4249 Clayton Ave, Fl 2, Saint Louis, MO, 63110
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110
- 4921 Parkview Pl, Ste 8B, Saint Louis, MO, 63110
- 3015 N Ballas Rd, Saint Louis, MO, 63131
This result applies to these offices. Other locations are not confirmed.
$0a month

UnitedHealthcare
10 plans list William; not listed on 1 other plan.
AARP Medicare Advantage CareFlex from UHC ST-6 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110
- 4921 Parkview Pl, Ste 8B, Saint Louis, MO, 63110
- 3630 S Geyer Rd, Ste 410, Saint Louis, MO, 63127
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:
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110
- 4921 Parkview Pl, Ste 8B, Saint Louis, MO, 63110
- 3630 S Geyer Rd, Ste 410, Saint Louis, MO, 63127
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:
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110
- 4921 Parkview Pl, Ste 8B, Saint Louis, MO, 63110
- 3630 S Geyer Rd, Ste 410, Saint Louis, MO, 63127
This result applies to these offices. Other locations are not confirmed.
$0a monthAARP Medicare Advantage Extras from UHC ST-4 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110
- 4921 Parkview Pl, Ste 8B, Saint Louis, MO, 63110
- 3630 S Geyer Rd, Ste 410, Saint Louis, MO, 63127
This result applies to these offices. Other locations are not confirmed.
$19a month

Devoted
9 plans list William.
DEVOTED CORE 001 MO (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110
- 4921 Parkview Pl, Ste 8B, Saint Louis, MO, 63110
- 3630 S Geyer Rd, Ste 410, Saint Louis, MO, 63127
- 3015 N Ballas Rd, Saint Louis, MO, 63131
This result applies to these offices. Other locations are not confirmed.
$0a monthDEVOTED GIVEBACK 002 MO (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110
- 4921 Parkview Pl, Ste 8B, Saint Louis, MO, 63110
- 3630 S Geyer Rd, Ste 410, Saint Louis, MO, 63127
- 3015 N Ballas Rd, Saint Louis, MO, 63131
This result applies to these offices. Other locations are not confirmed.
$0a monthDEVOTED GIVEBACK EXTRAS 028 MO (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110
- 4921 Parkview Pl, Ste 8B, Saint Louis, MO, 63110
- 3630 S Geyer Rd, Ste 410, Saint Louis, MO, 63127
- 3015 N Ballas Rd, Saint Louis, MO, 63131
This result applies to these offices. Other locations are not confirmed.
$0a monthDEVOTED C-SNP ENHANCED 015 MO (HMO C-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110
- 4921 Parkview Pl, Ste 8B, Saint Louis, MO, 63110
- 3630 S Geyer Rd, Ste 410, Saint Louis, MO, 63127
- 3015 N Ballas Rd, Saint Louis, MO, 63131
This result applies to these offices. Other locations are not confirmed.
$0a month

Anthem Blue Cross and Blue Shield · Anthem HealthKeepers
Not listed on its 5 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.

Wellcare
Not listed on its 6 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.
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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
- 2019
- Registry record updated
- Sep 8, 2026
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list William Thinnes?
In St. Louis city and St. Louis counties, MO, 49 Medicare Advantage plans for 2027 list William in provider data from Medicare.gov or the carrier, including Humana Essentials Plus Giveback (HMO) and Humana Full Access (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 William Thinnes practice?
2 locations, including 1 Barnes Jewish Hospital Plz, Saint Louis, MO. All of them are listed on this page.
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 1558922203, 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 St. Louis city and St. Louis counties, MO. 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.