Mallory HolzerPA
Physician Assistant
2027 Medicare Advantage
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Medicare Advantage plans for St. Louis 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 72 Medicare Advantage plans we show for St. Louis County, MO in 2027
- 28 list Mallory
- 44 not listed
Aetna Medicare
13 plans list Mallory.
Aetna Medicare Eagle (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 14532 South Outer 40 Rd, Ste 200, Chesterfield, MO, 63017
- 20 Progress Point Pkwy, Ste 114, O Fallon, MO, 63368
- 3871 Mexico Rd, Saint Charles, MO, 63303
- 5201 Mid America Plz, Ste 1500, Saint Louis, MO, 63129
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:
- 14532 South Outer 40 Rd, Ste 200, Chesterfield, MO, 63017
- 20 Progress Point Pkwy, Ste 114, O Fallon, MO, 63368
- 3871 Mexico Rd, Saint Charles, MO, 63303
- 5201 Mid America Plz, Ste 1500, Saint Louis, MO, 63129
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:
- 14532 South Outer 40 Rd, Ste 200, Chesterfield, MO, 63017
- 20 Progress Point Pkwy, Ste 114, O Fallon, MO, 63368
- 3871 Mexico Rd, Saint Charles, MO, 63303
- 5201 Mid America Plz, Ste 1500, Saint Louis, MO, 63129
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:
- 14532 South Outer 40 Rd, Ste 200, Chesterfield, MO, 63017
- 20 Progress Point Pkwy, Ste 114, O Fallon, MO, 63368
- 3871 Mexico Rd, Saint Charles, MO, 63303
- 5201 Mid America Plz, Ste 1500, Saint Louis, MO, 63129
This result applies to these offices. Other locations are not confirmed.
$0a month
UnitedHealthcare
10 plans list Mallory; 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:
- 3630 S Geyer Rd, Ste 110, 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:
- 3630 S Geyer Rd, Ste 110, 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:
- 3630 S Geyer Rd, Ste 110, 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:
- 3630 S Geyer Rd, Ste 110, Saint Louis, MO, 63127
This result applies to these offices. Other locations are not confirmed.
$19a month
Anthem Blue Cross and Blue Shield · Anthem HealthKeepers
5 plans list Mallory.
Anthem Medicare Advantage (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 14532 South Outer 40 Rd, Chesterfield, MO, 63017
- 12634 Olive Blvd, Saint Louis, MO, 63141
- 20 Progress Point Pkwy, O Fallon, MO, 63368
- 3871 Mexico Rd, Saint Charles, MO, 63303
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110
- 5201 Mid America Plz, Saint Louis, MO, 63129
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:
- 14532 South Outer 40 Rd, Chesterfield, MO, 63017
- 12634 Olive Blvd, Saint Louis, MO, 63141
- 20 Progress Point Pkwy, O Fallon, MO, 63368
- 3871 Mexico Rd, Saint Charles, MO, 63303
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110
- 5201 Mid America Plz, Saint Louis, MO, 63129
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:
- 14532 South Outer 40 Rd, Chesterfield, MO, 63017
- 12634 Olive Blvd, Saint Louis, MO, 63141
- 20 Progress Point Pkwy, O Fallon, MO, 63368
- 3871 Mexico Rd, Saint Charles, MO, 63303
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110
- 5201 Mid America Plz, Saint Louis, MO, 63129
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:
- 14532 South Outer 40 Rd, Chesterfield, MO, 63017
- 12634 Olive Blvd, Saint Louis, MO, 63141
- 20 Progress Point Pkwy, O Fallon, MO, 63368
- 3871 Mexico Rd, Saint Charles, MO, 63303
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110
- 5201 Mid America Plz, Saint Louis, MO, 63129
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.
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.
Can't find your plan?Tell us the plan you have, and a licensed Silverpath advisor will check whether Mallory 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
14532 S Outer 40 Rd, Dept Orthopaedic Surgery, Ste 200
Chesterfield, MO 63017
- NPI issued
- 2026
- Registry record updated
- Mar 17, 2026
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Mallory Holzer?
In St. Louis County, MO, 28 Medicare Advantage plans for 2027 list Mallory 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 Mallory Holzer take Aetna Medicare Medicare Advantage plans?
Medicare.gov provider data lists Mallory on 13 Medicare Advantage plans for 2027 in St. Louis 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 Mallory Holzer take UnitedHealthcare Medicare Advantage plans?
Medicare.gov provider data lists Mallory on 10 Medicare Advantage plans for 2027 in St. Louis County, MO, including AARP Medicare Advantage CareFlex from UHC ST-6 (HMO-POS) and AARP Medicare Advantage Essentials from UHC ST-3 (HMO-POS). 1 other plan 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 UnitedHealthcare before you enroll.
Does Mallory Holzer take Anthem Blue Cross and Blue Shield Medicare Advantage plans?
Medicare.gov provider data lists Mallory on 5 Medicare Advantage plans for 2027 in St. Louis 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 Mallory Holzer practice?
14532 S Outer 40 Rd, Dept Orthopaedic Surgery, Ste 200, Chesterfield, MO 63017.
How do I confirm Mallory is in my plan's network?
Call the member services number on your plan card and give them the NPI 1265399653, 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 Mallory Holzer on 43 plans from Devoted, Essence Healthcare, HealthSpring, Humana and Wellcare in St. Louis 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.