Sylvie BlumsteinMD
Obstetrics & Gynecology, Maternal & Fetal Medicine
2027 Medicare Advantage
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Medicare Advantage plans for Santa Clara and San Mateo 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 13 plans so far
Some of Alignment Health Plan, Anthem Blue Cross, Blue Shield of California, Aetna Medicare, Astiva Health, CCHP (Chinese Community Health Plan), HEALTH PLAN OF SAN MATEO, Imperial Health Plan of California, Inc., Kaiser Permanente, Santa Clara Family Health Plan and SCAN Health Plan's 2027 plans in Santa Clara and San Mateo counties, CA haven't been checked yet.
The 49 Medicare Advantage plans we show for Santa Clara and San Mateo counties, CA in 2027
- 13 list Sylvie
- 21 not listed
- 15 not checked yet
Alignment Health Plan
11 plans list Sylvie; not listed on 2 other plans.
Alignment Health My Choice 050 (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 770 Welch Rd, Palo Alto, CA, 94304
This result applies to these offices. Other locations are not confirmed.
$0a monthAlignment Health Smart 040 (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 770 Welch Rd, Palo Alto, CA, 94304
This result applies to these offices. Other locations are not confirmed.
$0a monthCentral Health Harmony 031 (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 770 Welch Rd, Palo Alto, CA, 94304
This result applies to these offices. Other locations are not confirmed.
$0a monthAlignment Health Honor Plus 060 (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 770 Welch Rd, Palo Alto, CA, 94304
This result applies to these offices. Other locations are not confirmed.
$7.30a month
1 more Alignment Health Plan plan hasn't been checked yet.
Anthem Blue Cross · Anthem Blue Cross Partnership Plan
1 plan lists Sylvie.
Anthem Full Dual Advantage Aligned (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 770 Welch Rd, Palo Alto, CA, 94304
This result applies to these offices. Other locations are not confirmed.
$0a month
2 more Anthem Blue Cross plans haven't been checked yet.
Blue Shield of California
1 plan lists Sylvie.
Blue Shield Inspire (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 770 Welch Rd, Palo Alto, CA, 94304
This result applies to these offices. Other locations are not confirmed.
$61a month
1 more Blue Shield of California plan hasn't been checked yet.
Aetna Medicare
Not checked yet.
1 more Aetna Medicare plan hasn't been checked yet.
Astiva Health
Not listed on its 3 plans here. That isn't proof they're out of network.
CCHP (Chinese Community Health Plan)
Not checked yet.
HEALTH PLAN OF SAN MATEO
Not 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.
3 more Kaiser Permanente plans haven't been checked yet.
Santa Clara Family Health Plan
Not listed on its 1 plan here. That isn't proof they're out of network.
SCAN Health Plan
Not checked yet.
4 more SCAN Health Plan 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 Sylvie 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
2 practice locations
- NPI issued
- 2006
- Registry record updated
- Apr 19, 2024
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Sylvie Blumstein?
In Santa Clara and San Mateo counties, CA, 13 Medicare Advantage plans for 2027 list Sylvie in provider data from Medicare.gov or the carrier, including Alignment Health My Choice 050 (HMO), Alignment Health Smart 040 (HMO) and Central Health Harmony 031 (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.
Where does Sylvie Blumstein practice?
2 locations, including 725 Welch Rd, Palo Alto, CA. All of them are listed on this page.
How do I confirm Sylvie is in my plan's network?
Call the member services number on your plan card and give them the NPI 1033296983, 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 Santa Clara and San Mateo 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.