William PfefferMD
Obstetrics & Gynecology, Reproductive Endocrinology
2027 Medicare Advantage
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Medicare Advantage plans for Delaware County, PA.
Use the name or plan ID on your member card, or choose your insurance company.
Directory results See what each insurance company reports
The 87 Medicare Advantage plans we show for Delaware County, PA in 2027
- 6 list William
- 81 not listed
HealthSpring
6 plans list William; not listed on 1 other plan.
HealthSpring Preferred (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 11 Industrial Blvd, Ste 100, Paoli, PA, 19301
This result applies to these offices. Other locations are not confirmed.
$0a monthHealthSpring Preferred PA (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 11 Industrial Blvd, Ste 100, Paoli, PA, 19301
This result applies to these offices. Other locations are not confirmed.
$0a monthHealthSpring Preferred Savings (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 11 Industrial Blvd, Ste 100, Paoli, PA, 19301
This result applies to these offices. Other locations are not confirmed.
$0a monthHealthSpring Preferred Plus (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 11 Industrial Blvd, Ste 100, Paoli, PA, 19301
This result applies to these offices. Other locations are not confirmed.
$44a month
Aetna Medicare
Not listed on its 10 plans here. That isn't proof they're out of network.
Clover Health
Not listed on its 2 plans here. That isn't proof they're out of network.
Devoted
Not listed on its 9 plans here. That isn't proof they're out of network.
Geisinger Gold
Not listed on its 3 plans here. That isn't proof they're out of network.
Highmark Wholecare Medicare Assured
Not listed on its 2 plans here. That isn't proof they're out of network.
Humana
Not listed on its 14 plans here. That isn't proof they're out of network.
Independence Blue Cross
Not listed on its 11 plans here. That isn't proof they're out of network.
Jefferson Health Plans
Not listed on its 8 plans here. That isn't proof they're out of network.
Perennial Advantage
Not listed on its 1 plan here. That isn't proof they're out of network.
UnitedHealthcare
Not listed on its 13 plans here. That isn't proof they're out of network.
UPMC for Life
Not listed on its 2 plans here. That isn't proof they're out of network.
UPMC for Life Complete Care
Not listed on its 1 plan here. That isn't proof they're out of network.
VISTA Health Plan Inc.
Not listed on its 1 plan here. That isn't proof they're out of network.
Wellcare
Not listed on its 3 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 William 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
- 2005
- Registry record updated
- Jul 8, 2007
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list William Pfeffer?
In Delaware County, PA, 6 Medicare Advantage plans for 2027 list William in provider data from Medicare.gov or the carrier, including HealthSpring Preferred (HMO), HealthSpring Preferred PA (HMO) and HealthSpring Preferred Savings (HMO). 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 William Pfeffer take HealthSpring Medicare Advantage plans?
Medicare.gov provider data lists William on 6 Medicare Advantage plans for 2027 in Delaware County, PA, including HealthSpring Preferred (HMO) and HealthSpring Preferred PA (HMO). 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 HealthSpring before you enroll.
Does William Pfeffer take Aetna Medicare Medicare Advantage plans?
The provider searches didn't return a listing for William on these 10 plans for 2027 in Delaware County, PA. Directories can lag, and a clinician can be in network at another office, so that isn't proof William is out of network. Ask the office or a Silverpath advisor to confirm.
Does William Pfeffer take Clover Health Medicare Advantage plans?
The provider searches didn't return a listing for William on these 2 plans for 2027 in Delaware County, PA. Directories can lag, and a clinician can be in network at another office, so that isn't proof William is out of network. Ask the office or a Silverpath advisor to confirm.
Where does William Pfeffer practice?
130 S Bryn Mawr Ave, Suite 1000 D Wing, Bryn Mawr, PA 19010.
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 1770589459, 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 William Pfeffer on 80 plans from Aetna Medicare, Clover Health, Devoted, Geisinger Gold, Highmark Wholecare Medicare Assured, Humana, Independence Blue Cross, Jefferson Health Plans, Perennial Advantage, UnitedHealthcare, UPMC for Life, UPMC for Life Complete Care, VISTA Health Plan Inc. and Wellcare in Delaware County, PA. 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.