Mara GreenbergMD
Obstetrics & Gynecology, Gynecology
2027 Medicare Advantage
Check your plan
Medicare Advantage plans for Alameda 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 30 Medicare Advantage plans we show for Alameda County, CA in 2027
- 1 lists Mara
- 29 not listed
CCHP (Chinese Community Health Plan)
1 plan lists Mara.
CCHP Senior Value Program (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1855 4th St, San Francisco, CA, 94143
- 3333 California St, Ste 10, San Francisco, CA, 94118
- 1855 4th St, Bldg 3, San Francisco, CA, 94143
- 400 Parnassus Ave, San Francisco, CA, 94143
- 505 Parnassus Ave, San Francisco, CA, 94143
This result applies to these offices. Other locations are not confirmed.
$0a month
Aetna Medicare
Not listed on its 4 plans here. That isn't proof they're out of network.
Alameda Alliance for Health
Not listed on its 1 plan here. That isn't proof they're out of network.
Alignment Health Plan
Not listed on its 9 plans here. That isn't proof they're out of network.
Blue Shield of California
Not listed on its 1 plan 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 5 plans here. That isn't proof they're out of network.
UnitedHealthcare
Not listed on its 2 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 Mara 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
- 2006
- Registry record updated
- Mar 7, 2023
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Mara Greenberg?
In Alameda County, CA, 1 Medicare Advantage plan for 2027 lists Mara in provider data from Medicare.gov or the carrier, including CCHP Senior Value Program (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 Mara Greenberg take CCHP (Chinese Community Health Plan) Medicare Advantage plans?
Medicare.gov provider data lists Mara on one Medicare Advantage plan for 2027 in Alameda County, CA: CCHP Senior Value Program (HMO). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or CCHP (Chinese Community Health Plan) before you enroll.
Does Mara Greenberg take Aetna Medicare Medicare Advantage plans?
The provider searches didn't return a listing for Mara on these 4 plans for 2027 in Alameda County, CA. Directories can lag, and a clinician can be in network at another office, so that isn't proof Mara is out of network. Ask the office or a Silverpath advisor to confirm.
Does Mara Greenberg take Alameda Alliance for Health Medicare Advantage plans?
The provider searches didn't return a listing for Mara on this plan for 2027 in Alameda County, CA. Directories can lag, and a clinician can be in network at another office, so that isn't proof Mara is out of network. Ask the office or a Silverpath advisor to confirm.
Where does Mara Greenberg practice?
275 W Macarthur Blvd, Oakland, CA 94611.
How do I confirm Mara is in my plan's network?
Call the member services number on your plan card and give them the NPI 1104994177, 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 Mara Greenberg on 29 plans from Aetna Medicare, Alameda Alliance for Health, Alignment Health Plan, Blue Shield of California, Imperial Health Plan of California, Inc., Kaiser Permanente, SCAN Health Plan and UnitedHealthcare in Alameda 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.