Stefanie AltmannDO
Internal Medicine
2027 Medicare Advantage
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Medicare Advantage plans for Contra Costa County, CA, Alameda County, CA and Monroe County, FL.
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 1 plan so far
Some of Humana, Aetna Medicare, Alameda Alliance for Health, Alignment Health Plan, Blue Shield of California, CCHP (Chinese Community Health Plan), Contra Costa Health Care Plus (HMO D-SNP), Imperial Health Plan of California, Inc., Kaiser Permanente, SCAN Health Plan and UnitedHealthcare's 2027 plans in Contra Costa County, CA, Alameda County, CA and Monroe County, FL haven't been checked yet.
The 43 Medicare Advantage plans we show for Contra Costa County, CA, Alameda County, CA and Monroe County, FL in 2027
- 1 lists Stefanie
- 9 not listed
- 33 not checked yet
Humana
1 plan lists Stefanie.
HumanaChoice H5525-084 (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 9015 US Highway 301 N, Parrish, FL, 34219
This result applies to these offices. Other locations are not confirmed.
$93a month
3 more Humana plans haven't been checked yet.
Aetna Medicare
Not checked yet.
Alameda Alliance for Health
Not checked yet.
Alignment Health Plan
Not checked yet.
Blue Shield of California · Florida Blue
Not checked yet.
CCHP (Chinese Community Health Plan)
Not checked yet.
Contra Costa Health Care Plus (HMO D-SNP)
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 checked yet.
3 more Kaiser Permanente plans haven't been checked yet.
SCAN Health Plan
Not checked yet.
UnitedHealthcare
Not checked yet.
4 more UnitedHealthcare 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 Stefanie 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 22, 2026
Where they practice
4 practice locations
- NPI issued
- 2018
- Registry record updated
- May 7, 2026
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Stefanie Altmann?
In Contra Costa County, CA, Alameda County, CA and Monroe County, FL, 1 Medicare Advantage plan for 2027 lists Stefanie in the carrier's own provider directory, including HumanaChoice H5525-084 (PPO). Networks can change during the year, so confirm with the office or the plan before you enroll.
Where does Stefanie Altmann practice?
4 locations, including 100 Pringle Ave Ste 425, Walnut Creek, CA. All of them are listed on this page.
How do I confirm Stefanie is in my plan's network?
Call the member services number on your plan card and give them the NPI 1912494188, 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 Contra Costa County, CA, Alameda County, CA and Monroe County, FL. 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.