Gregory McLennanMD
Urology
2027 Medicare Advantage
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Medicare Advantage plans for St. Louis County, MO, Adams County, IL and St. Charles 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
Listed on 44 plans so far
Some of Aetna Medicare, UnitedHealthcare, Devoted, Wellcare, Anthem Blue Cross and Blue Shield, Essence Healthcare, HealthSpring, Humana and Molina Healthcare of Illinois's 2027 plans in St. Louis County, MO, Adams County, IL and St. Charles County, MO haven't been checked yet.
The 88 Medicare Advantage plans we show for St. Louis County, MO, Adams County, IL and St. Charles County, MO in 2027
- 44 list Gregory
- 10 not listed
- 34 not checked yet
Aetna Medicare · Aetna Medicare FIDE
13 plans list Gregory.
Aetna Medicare Eagle (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 701 S New Ballas Rd, Ste 330, Saint Louis, MO, 63141
- 16216 Baxter Rd, Ste 100, Chesterfield, MO, 63017
- 12700 Southfork Rd, Ste 260, Saint Louis, MO, 63128
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:
- 701 S New Ballas Rd, Ste 330, Saint Louis, MO, 63141
- 16216 Baxter Rd, Ste 100, Chesterfield, MO, 63017
- 12700 Southfork Rd, Ste 260, Saint Louis, MO, 63128
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:
- 701 S New Ballas Rd, Ste 330, Saint Louis, MO, 63141
- 16216 Baxter Rd, Ste 100, Chesterfield, MO, 63017
- 12700 Southfork Rd, Ste 260, Saint Louis, MO, 63128
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:
- 701 S New Ballas Rd, Ste 330, Saint Louis, MO, 63141
- 16216 Baxter Rd, Ste 100, Chesterfield, MO, 63017
- 12700 Southfork Rd, Ste 260, Saint Louis, MO, 63128
This result applies to these offices. Other locations are not confirmed.
$0a month
1 more Aetna Medicare plan hasn't been checked yet.
UnitedHealthcare
11 plans list Gregory.
AARP Medicare Advantage CareFlex from UHC ST-6 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 701 S New Ballas Rd, Ste 330, Saint Louis, MO, 63141
- 16216 Baxter Rd, Ste 100, Chesterfield, MO, 63017
- 16216 Baxter Rd, Chesterfield, MO, 63017
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:
- 701 S New Ballas Rd, Ste 330, Saint Louis, MO, 63141
- 16216 Baxter Rd, Ste 100, Chesterfield, MO, 63017
- 16216 Baxter Rd, Chesterfield, MO, 63017
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:
- 701 S New Ballas Rd, Ste 330, Saint Louis, MO, 63141
- 16216 Baxter Rd, Ste 100, Chesterfield, MO, 63017
- 16216 Baxter Rd, Chesterfield, MO, 63017
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:
- 701 S New Ballas Rd, Ste 330, Saint Louis, MO, 63141
- 16216 Baxter Rd, Ste 100, Chesterfield, MO, 63017
- 16216 Baxter Rd, Chesterfield, MO, 63017
This result applies to these offices. Other locations are not confirmed.
$0a month
1 more UnitedHealthcare plan hasn't been checked yet.
Devoted
9 plans list Gregory.
DEVOTED CORE 001 MO (HMO)
Source: Devoted provider directory.
Listed offices for this plan:
- 16216 Baxter Rd Ste 100, Chesterfield, MO, 63017
- 16216 Baxter Rd, Chesterfield, MO, 63017
- 701 S New Ballas Rd Ste 330, Saint Louis, MO, 63141
- 12700 Southfork Rd Ste 260, Saint Louis, MO, 63128
This result applies to these offices. Other locations are not confirmed.
$0a monthDEVOTED GIVEBACK 002 MO (HMO)
Source: Devoted provider directory.
Listed offices for this plan:
- 16216 Baxter Rd Ste 100, Chesterfield, MO, 63017
- 16216 Baxter Rd, Chesterfield, MO, 63017
- 701 S New Ballas Rd Ste 330, Saint Louis, MO, 63141
- 12700 Southfork Rd Ste 260, Saint Louis, MO, 63128
This result applies to these offices. Other locations are not confirmed.
$0a monthDEVOTED GIVEBACK EXTRAS 028 MO (HMO)
Source: Devoted provider directory.
Listed offices for this plan:
- 16216 Baxter Rd Ste 100, Chesterfield, MO, 63017
- 16216 Baxter Rd, Chesterfield, MO, 63017
- 701 S New Ballas Rd Ste 330, Saint Louis, MO, 63141
- 12700 Southfork Rd Ste 260, Saint Louis, MO, 63128
This result applies to these offices. Other locations are not confirmed.
$0a monthDEVOTED C-SNP ENHANCED 015 MO (HMO C-SNP)
Source: Devoted provider directory.
Listed offices for this plan:
- 701 S New Ballas Rd Ste 330, Saint Louis, MO, 63141
- 16216 Baxter Rd Ste 100, Chesterfield, MO, 63017
- 12700 Southfork Rd Ste 260, Saint Louis, MO, 63128
- 16216 Baxter Rd, Chesterfield, MO, 63017
This result applies to these offices. Other locations are not confirmed.
$0a month
Wellcare
6 plans list Gregory.
Wellcare Patriot Giveback Open (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 701 S New Ballas Rd, Ste 330, Saint Louis, MO, 63141
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:
- 607 S New Ballas Rd, Ste 3100, Saint Louis, MO, 63141
- 701 S New Ballas Rd, Ste 330, Saint Louis, MO, 63141
- 16216 Baxter Rd, Ste 100, Chesterfield, MO, 63017
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:
- 701 S New Ballas Rd, Ste 330, Saint Louis, MO, 63141
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:
- 701 S New Ballas Rd, Ste 330, Saint Louis, MO, 63141
This result applies to these offices. Other locations are not confirmed.
$0a month
4 more Wellcare plans haven't been checked yet.
Anthem Blue Cross and Blue Shield · Anthem HealthKeepers
5 plans list Gregory.
Anthem Medicare Advantage (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 607 S New Ballas Rd, Saint Louis, MO, 63141
- 615 S New Ballas Rd, Saint Louis, MO, 63141
- 701 S New Ballas Rd, Saint Louis, MO, 63141
- 16216 Baxter Rd, Chesterfield, MO, 63017
- 927 Broadway St, Quincy, IL, 62301
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:
- 607 S New Ballas Rd, Saint Louis, MO, 63141
- 615 S New Ballas Rd, Saint Louis, MO, 63141
- 701 S New Ballas Rd, Saint Louis, MO, 63141
- 16216 Baxter Rd, Chesterfield, MO, 63017
- 927 Broadway St, Quincy, IL, 62301
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:
- 607 S New Ballas Rd, Saint Louis, MO, 63141
- 615 S New Ballas Rd, Saint Louis, MO, 63141
- 701 S New Ballas Rd, Saint Louis, MO, 63141
- 16216 Baxter Rd, Chesterfield, MO, 63017
- 927 Broadway St, Quincy, IL, 62301
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:
- 607 S New Ballas Rd, Saint Louis, MO, 63141
- 615 S New Ballas Rd, Saint Louis, MO, 63141
- 701 S New Ballas Rd, Saint Louis, MO, 63141
- 16216 Baxter Rd, Chesterfield, MO, 63017
- 927 Broadway St, Quincy, IL, 62301
This result applies to these offices. Other locations are not confirmed.
$0a month
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 checked yet.
Molina Healthcare of Illinois
Not checked yet.
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 Gregory 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
3 practice locations
- NPI issued
- 2008
- Registry record updated
- Sep 2, 2026
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Gregory McLennan?
In St. Louis County, MO, Adams County, IL and St. Charles County, MO, 44 Medicare Advantage plans for 2027 list Gregory 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.
Where does Gregory McLennan practice?
3 locations, including 701 S. New Ballas Road, Suite 330, Saint Louis, MO. All of them are listed on this page.
How do I confirm Gregory is in my plan's network?
Call the member services number on your plan card and give them the NPI 1912160052, 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 County, MO, Adams County, IL and St. Charles County, 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.