Karen GreinerMD, MPH
Obstetrics & Gynecology, Complex Family Planning
2027 Medicare Advantage
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Medicare Advantage plans for San Diego County, CA.
Use the name or plan ID on your member card, or choose your insurance company.
Directory results See what each insurance company reports
The 85 Medicare Advantage plans we show for San Diego County, CA in 2027
- 1 lists Karen
- 84 not listed
Molina Healthcare of California
1 plan lists Karen.
Molina Medicare Complete Care Plus (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 9300 Campus Point Dr, La Jolla, CA, 92037
This result applies to these offices. Other locations are not confirmed.
$7.30a month
Aetna Medicare
Not listed on its 4 plans here. That isn't proof they're out of network.
Alignment Health Plan
Not listed on its 15 plans here. That isn't proof they're out of network.
Anthem Blue Cross · Anthem Blue Cross and Blue Shield · Anthem Blue Cross Partnership Plan
Not listed on its 4 plans here. That isn't proof they're out of network.
Astiva Health
Not listed on its 5 plans here. That isn't proof they're out of network.
Blue Shield of California
Not listed on its 5 plans here. That isn't proof they're out of network.
Champion Heath Plan
Not listed on its 9 plans here. That isn't proof they're out of network.
Clever Care Health Plan
Not listed on its 6 plans here. That isn't proof they're out of network.
Community Health Group
Not listed on its 2 plans here. That isn't proof they're out of network.
Humana
Not listed on its 6 plans here. That isn't proof they're out of network.
Imperial Health Plan of California, Inc.
Not listed on its 4 plans here. That isn't proof they're out of network.
Kaiser Permanente
Not listed on its 3 plans here. That isn't proof they're out of network.
SCAN Health Plan
Not listed on its 8 plans here. That isn't proof they're out of network.
UnitedHealthcare
Not listed on its 9 plans here. That isn't proof they're out of network.
Wellcare
Not listed on its 4 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 Karen 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 24, 2026
Where they practice
6 practice locations
- NPI issued
- 2020
- Registry record updated
- Nov 14, 2025
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Karen Greiner?
In San Diego County, CA, 1 Medicare Advantage plan for 2027 lists Karen in provider data from Medicare.gov or the carrier, including Molina Medicare Complete Care Plus (HMO D-SNP). 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 Karen Greiner take Molina Healthcare of California Medicare Advantage plans?
Medicare.gov provider data lists Karen on one Medicare Advantage plan for 2027 in San Diego County, CA: Molina Medicare Complete Care Plus (HMO D-SNP). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or Molina Healthcare of California before you enroll.
Does Karen Greiner take Aetna Medicare Medicare Advantage plans?
The provider searches didn't return a listing for Karen on these 4 plans for 2027 in San Diego County, CA. Directories can lag, and a clinician can be in network at another office, so that isn't proof Karen is out of network. Ask the office or a Silverpath advisor to confirm.
Does Karen Greiner take Alignment Health Plan Medicare Advantage plans?
The provider searches didn't return a listing for Karen on these 15 plans for 2027 in San Diego County, CA. Directories can lag, and a clinician can be in network at another office, so that isn't proof Karen is out of network. Ask the office or a Silverpath advisor to confirm.
Where does Karen Greiner practice?
6 locations, including 9300 Campus Point Dr # 7433, La Jolla, CA. All of them are listed on this page.
How do I confirm Karen is in my plan's network?
Call the member services number on your plan card and give them the NPI 1427686930, 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 Karen Greiner on 84 plans from Aetna Medicare, Alignment Health Plan, Anthem Blue Cross, Astiva Health, Blue Shield of California, Champion Heath Plan, Clever Care Health Plan, Community Health Group, Humana, Imperial Health Plan of California, Inc., Kaiser Permanente, SCAN Health Plan, UnitedHealthcare and Wellcare in San Diego County, CA. 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.