Lauren SundheimerMD, MS
Obstetrics & Gynecology, Reproductive Endocrinology
2027 Medicare Advantage
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Medicare Advantage plans for Orange, San Francisco and Santa Clara counties, CA.
Use the name or plan ID on your member card, or choose your insurance company.
Directory results See what each insurance company reports
Listed on 3 plans so far
Some of Anthem Blue Cross, Aetna Medicare, Align Senior Care, Alignment Health Plan, Astiva Health, Blue Shield of California, CalOptima Health OneCare, CCHP (Chinese Community Health Plan), Champion Heath Plan, Clever Care Health Plan, Humana, Imperial Health Plan of California, Inc., Kaiser Permanente, San Francisco Health Plan, Santa Clara Family Health Plan, SCAN Health Plan, UnitedHealthcare, VillageHealth and Wellcare's 2027 plans in Orange, San Francisco and Santa Clara counties, CA haven't been checked yet.
The 155 Medicare Advantage plans we show for Orange, San Francisco and Santa Clara counties, CA in 2027
- 3 list Lauren
- 102 not listed
- 50 not checked yet
Anthem Blue Cross · Anthem Blue Cross Partnership Plan
3 plans list Lauren; not listed on 8 other plans.
Anthem Medicare Advantage (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 4321 Birch St, Newport Beach, CA, 92660
- 500 Broadway, Santa Monica, CA, 90401
- 1260 15th St, Santa Monica, CA, 90404
- 4150 Regents Park Row, La Jolla, CA, 92037
- 4756 El Camino Real, Los Altos, CA, 94022
- 1700 N Main St, Walnut Creek, CA, 94596
This result applies to these offices. Other locations are not confirmed.
$0a monthAnthem Prime (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 4321 Birch St, Newport Beach, CA, 92660
- 500 Broadway, Santa Monica, CA, 90401
- 1260 15th St, Santa Monica, CA, 90404
- 4150 Regents Park Row, La Jolla, CA, 92037
- 4756 El Camino Real, Los Altos, CA, 94022
- 1700 N Main St, Walnut Creek, CA, 94596
This result applies to these offices. Other locations are not confirmed.
$0a monthAnthem Select (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 4321 Birch St, Newport Beach, CA, 92660
- 500 Broadway, Santa Monica, CA, 90401
- 1260 15th St, Santa Monica, CA, 90404
- 4150 Regents Park Row, La Jolla, CA, 92037
- 4756 El Camino Real, Los Altos, CA, 94022
- 1700 N Main St, Walnut Creek, CA, 94596
This result applies to these offices. Other locations are not confirmed.
$0a month
3 more Anthem Blue Cross plans haven't been checked yet.
Aetna Medicare
Not checked yet.
5 more Aetna Medicare plans haven't been checked yet.
Align Senior Care
Not listed on its 1 plan here. That isn't proof they're out of network.
Alignment Health Plan
Not checked yet.
9 more Alignment Health Plan plans haven't been checked yet.
Astiva Health
Not checked yet.
3 more Astiva Health plans haven't been checked yet.
Blue Shield of California
Not checked yet.
1 more Blue Shield of California plan hasn't been checked yet.
CalOptima Health OneCare
Not listed on its 1 plan here. That isn't proof they're out of network.
CCHP (Chinese Community Health Plan)
Not checked yet.
Champion Heath Plan
Medicare.gov doesn't have provider data for these plans yet. We'll check again.
1 more Champion Heath Plan plan hasn't been checked yet.
Clever Care Health Plan
Not listed on its 6 plans here. That isn't proof they're out of network.
Humana
Not checked yet.
2 more Humana plans haven't been checked yet.
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 checked yet.
6 more Kaiser Permanente plans haven't been checked yet.
San Francisco Health Plan
Not checked yet.
Santa Clara Family Health Plan
Not checked yet.
SCAN Health Plan
Not checked yet.
11 more SCAN Health Plan plans haven't been checked yet.
UnitedHealthcare
Not checked yet.
2 more UnitedHealthcare plans haven't been checked yet.
VillageHealth
Not listed on its 2 plans here. That isn't proof they're out of network.
Wellcare
Not checked yet.
2 more Wellcare plans haven't been checked yet.
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 Lauren 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
6 practice locations
- NPI issued
- 2011
- Registry record updated
- May 22, 2024
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Lauren Sundheimer?
In Orange, San Francisco and Santa Clara counties, CA, 3 Medicare Advantage plans for 2027 list Lauren in provider data from Medicare.gov or the carrier, including Anthem Medicare Advantage (HMO-POS), Anthem Prime (HMO-POS) and Anthem Select (HMO-POS). 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.
Where does Lauren Sundheimer practice?
6 locations, including 4321 Birch St Ste 100, Newport Beach, CA. All of them are listed on this page.
How do I confirm Lauren is in my plan's network?
Call the member services number on your plan card and give them the NPI 1891089785, or ask a Silverpath advisor to check for you. It's free.
For providers
Is this your practice?
Patients can use Silverpath to find practices and check plan networks in Orange, San Francisco and Santa Clara counties, CA. 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.