Olivia HasselfeldPA
Physician Assistant
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
- 28 list Olivia
- 44 not listed
Aetna Medicare
13 plans list Olivia.
Aetna Medicare Eagle (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 10 Barnes West Dr, Ste 2, Saint Louis, MO, 63141
- 4500 Forest Park Ave, Ste 1B, Saint Louis, MO, 63108
- 5225 Mid America Plz, Ste D115, 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:
- 10 Barnes West Dr, Ste 2, Saint Louis, MO, 63141
- 4500 Forest Park Ave, Ste 1B, Saint Louis, MO, 63108
- 5225 Mid America Plz, Ste D115, 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:
- 10 Barnes West Dr, Ste 2, Saint Louis, MO, 63141
- 4500 Forest Park Ave, Ste 1B, Saint Louis, MO, 63108
- 5225 Mid America Plz, Ste D115, 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:
- 10 Barnes West Dr, Ste 2, Saint Louis, MO, 63141
- 4500 Forest Park Ave, Ste 1B, Saint Louis, MO, 63108
- 5225 Mid America Plz, Ste D115, Saint Louis, MO, 63129
This result applies to these offices. Other locations are not confirmed.
$0a month
UnitedHealthcare
10 plans list Olivia; 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:
- 2 Progress Point Pkwy, O Fallon, MO, 63368
- 150 Entrance Way, Ste 100, Saint Peters, MO, 63376
- 10 Hospital Dr, Saint Peters, MO, 63376
- 10 Barnes West Dr, # MOB2, Saint Louis, MO, 63141
- 10 Barnes West Dr, # 2, Saint Louis, MO, 63141
- 1255 Graham Rd, Ste 101, Florissant, MO, 63031
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110
- 11133 Dunn Rd, Saint Louis, MO, 63136
- 4500 Forest Park Ave, Ste 1B, Saint Louis, MO, 63108
- 5225 Mid America Plz, Ste D115, Saint Louis, MO, 63129
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:
- 2 Progress Point Pkwy, O Fallon, MO, 63368
- 150 Entrance Way, Ste 100, Saint Peters, MO, 63376
- 10 Hospital Dr, Saint Peters, MO, 63376
- 10 Barnes West Dr, # MOB2, Saint Louis, MO, 63141
- 10 Barnes West Dr, # 2, Saint Louis, MO, 63141
- 1255 Graham Rd, Ste 101, Florissant, MO, 63031
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110
- 11133 Dunn Rd, Saint Louis, MO, 63136
- 4500 Forest Park Ave, Ste 1B, Saint Louis, MO, 63108
- 5225 Mid America Plz, Ste D115, Saint Louis, MO, 63129
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:
- 2 Progress Point Pkwy, O Fallon, MO, 63368
- 150 Entrance Way, Ste 100, Saint Peters, MO, 63376
- 10 Hospital Dr, Saint Peters, MO, 63376
- 10 Barnes West Dr, # MOB2, Saint Louis, MO, 63141
- 10 Barnes West Dr, # 2, Saint Louis, MO, 63141
- 1255 Graham Rd, Ste 101, Florissant, MO, 63031
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110
- 11133 Dunn Rd, Saint Louis, MO, 63136
- 4500 Forest Park Ave, Ste 1B, Saint Louis, MO, 63108
- 5225 Mid America Plz, Ste D115, Saint Louis, MO, 63129
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:
- 2 Progress Point Pkwy, O Fallon, MO, 63368
- 150 Entrance Way, Ste 100, Saint Peters, MO, 63376
- 10 Hospital Dr, Saint Peters, MO, 63376
- 10 Barnes West Dr, # MOB2, Saint Louis, MO, 63141
- 10 Barnes West Dr, # 2, Saint Louis, MO, 63141
- 1255 Graham Rd, Ste 101, Florissant, MO, 63031
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110
- 11133 Dunn Rd, Saint Louis, MO, 63136
- 4500 Forest Park Ave, Ste 1B, Saint Louis, MO, 63108
- 5225 Mid America Plz, Ste D115, Saint Louis, MO, 63129
This result applies to these offices. Other locations are not confirmed.
$19a month
Anthem Blue Cross and Blue Shield · Anthem HealthKeepers
5 plans list Olivia.
Anthem Medicare Advantage (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 2 Progress Point Pkwy, O Fallon, MO, 63368
- 10 Hospital Dr, Saint Peters, MO, 63376
- 10 Barnes West Dr, Saint Louis, MO, 63141
- 11133 Dunn Rd, Saint Louis, MO, 63136
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:
- 2 Progress Point Pkwy, O Fallon, MO, 63368
- 10 Hospital Dr, Saint Peters, MO, 63376
- 10 Barnes West Dr, Saint Louis, MO, 63141
- 11133 Dunn Rd, Saint Louis, MO, 63136
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:
- 2 Progress Point Pkwy, O Fallon, MO, 63368
- 10 Hospital Dr, Saint Peters, MO, 63376
- 10 Barnes West Dr, Saint Louis, MO, 63141
- 11133 Dunn Rd, Saint Louis, MO, 63136
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:
- 2 Progress Point Pkwy, O Fallon, MO, 63368
- 10 Hospital Dr, Saint Peters, MO, 63376
- 10 Barnes West Dr, Saint Louis, MO, 63141
- 11133 Dunn Rd, Saint Louis, MO, 63136
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 Olivia 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
- 2020
- Registry record updated
- Apr 17, 2025
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Olivia Hasselfeld?
In St. Charles County, MO, 28 Medicare Advantage plans for 2027 list Olivia 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 Olivia Hasselfeld take Aetna Medicare Medicare Advantage plans?
Medicare.gov provider data lists Olivia 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 Olivia Hasselfeld take UnitedHealthcare Medicare Advantage plans?
Medicare.gov provider data lists Olivia on 10 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). 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 Olivia Hasselfeld take Anthem Blue Cross and Blue Shield Medicare Advantage plans?
Medicare.gov provider data lists Olivia 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 Olivia Hasselfeld practice?
2 Progress Point Pkwy, Div Im Medical Oncology, O Fallon, MO 63368.
How do I confirm Olivia is in my plan's network?
Call the member services number on your plan card and give them the NPI 1194334094, 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 Olivia Hasselfeld on 43 plans from Devoted, Essence Healthcare, HealthSpring, Humana and Wellcare 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.