Eugenia Custo GreigMD
Ophthalmology
2027 Medicare Advantage
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Medicare Advantage plans for Santa Clara, San Francisco and Riverside 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 14 plans so far
Some of Alignment Health Plan, Anthem Blue Cross, Santa Clara Family Health Plan, Aetna Medicare, Align Senior Care, Astiva Health, Blue Shield of California, CCHP (Chinese Community Health Plan), Champion Heath Plan, Clever Care Health Plan, Elite Health Plan, Inc., Humana, IEHP DualChoice, Imperial Health Plan of California, Inc., Kaiser Permanente, Molina Healthcare of California, San Francisco Health Plan, SCAN Health Plan, UnitedHealthcare, VillageHealth and Wellcare's 2027 plans in Santa Clara, San Francisco and Riverside counties, CA haven't been checked yet.
The 136 Medicare Advantage plans we show for Santa Clara, San Francisco and Riverside counties, CA in 2027
- 14 list Eugenia
- 20 not listed
- 102 not checked yet

Alignment Health Plan
12 plans list Eugenia; not listed on 1 other plan.
Alignment Health My Choice 050 (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 2452 Watson Ct, Ste 1700, Palo Alto, CA, 94303
- 2452 Watson Ct, Palo Alto, CA, 94303
- 751 S Bascom Ave, San Jose, CA, 95128
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:
- 2452 Watson Ct, Ste 1700, Palo Alto, CA, 94303
- 2452 Watson Ct, Palo Alto, CA, 94303
- 751 S Bascom Ave, San Jose, CA, 95128
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:
- 2452 Watson Ct, Ste 1700, Palo Alto, CA, 94303
- 2452 Watson Ct, Palo Alto, CA, 94303
- 751 S Bascom Ave, San Jose, CA, 95128
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:
- 2452 Watson Ct, Ste 1700, Palo Alto, CA, 94303
- 2452 Watson Ct, Palo Alto, CA, 94303
- 751 S Bascom Ave, San Jose, CA, 95128
This result applies to these offices. Other locations are not confirmed.
$7.30a month
9 more Alignment Health Plan plans haven't been checked yet.

Anthem Blue Cross · Anthem Blue Cross Partnership Plan
1 plan lists Eugenia.
Anthem Full Dual Advantage Aligned (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 795 El Camino Real, Palo Alto, CA, 94301
- 2452 Watson Ct, Palo Alto, CA, 94303
- 751 S Bascom Ave, San Jose, CA, 95128
This result applies to these offices. Other locations are not confirmed.
$0a month
4 more Anthem Blue Cross plans haven't been checked yet.

Santa Clara Family Health Plan
1 plan lists Eugenia.
DualConnect (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 795 El Camino Real, Palo Alto, CA, 94301
- 751 S Bascom Ave, San Jose, CA, 95128
This result applies to these offices. Other locations are not confirmed.
$7.30a month

Aetna Medicare
Not checked yet.
10 more Aetna Medicare plans haven't been checked yet.

Align Senior Care
Not checked yet.

Astiva Health
Not checked yet.
5 more Astiva Health plans haven't been checked yet.

Blue Shield of California
Not checked yet.
2 more Blue Shield of California plans haven't been checked yet.

CCHP (Chinese Community Health Plan)
Not checked yet.

Champion Heath Plan
Not checked yet.

Clever Care Health Plan
Not checked yet.

Elite Health Plan, Inc.
Not checked yet.

Humana
Not checked yet.
IEHP DualChoice
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.
6 more Kaiser Permanente plans haven't been checked yet.

Molina Healthcare of California
Not checked yet.

San Francisco Health Plan
Not checked yet.

SCAN Health Plan
Not checked yet.
15 more SCAN Health Plan plans haven't been checked yet.

UnitedHealthcare
Not checked yet.
VillageHealth
Not checked yet.

Wellcare
Not 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 Eugenia 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 23, 2026
Where they practice
3 practice locations
- NPI issued
- 2021
- Registry record updated
- Jul 7, 2026
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Eugenia Custo Greig?
In Santa Clara, San Francisco and Riverside counties, CA, 14 Medicare Advantage plans for 2027 list Eugenia 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 Eugenia Custo Greig practice?
3 locations, including 300 Pasteur Dr, Palo Alto, CA. All of them are listed on this page.
How do I confirm Eugenia is in my plan's network?
Call the member services number on your plan card and give them the NPI 1649856477, 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, San Francisco and Riverside 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.