Deirdre LumMD
Obstetrics & Gynecology, Gynecology
2027 Medicare Advantage
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Medicare Advantage plans for Santa Clara County, CA and Allegheny County, PA.
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Directory results See what each insurance company reports
Listed on 14 plans so far
Some of Alignment Health Plan, Anthem Blue Cross, Blue Shield of California, Santa Clara Family Health Plan, Aetna Medicare, Astiva Health, Devoted, Geisinger Gold, HealthSpring, Highmark Wholecare Medicare Assured, Humana, Imperial Health Plan of California, Inc., Jefferson Health Plans, Kaiser Permanente, Perennial Advantage, SCAN Health Plan, UnitedHealthcare, UPMC for Life, UPMC for Life Complete Care, VISTA Health Plan Inc. and Wellcare's 2027 plans in Santa Clara County, CA and Allegheny County, PA haven't been checked yet.
The 121 Medicare Advantage plans we show for Santa Clara County, CA and Allegheny County, PA in 2027
- 14 list Deirdre
- 20 not listed
- 87 not checked yet

Alignment Health Plan
11 plans list Deirdre; not listed on 2 other plans.
Alignment Health My Choice 050 (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 500 Pasteur Dr, Palo Alto, CA, 94304
- 900 Blake Wilbur Dr, Palo Alto, CA, 94304
- 3240 Alpine Rd, Portola Valley, CA, 94028
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:
- 500 Pasteur Dr, Palo Alto, CA, 94304
- 900 Blake Wilbur Dr, 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:
- 500 Pasteur Dr, Palo Alto, CA, 94304
- 900 Blake Wilbur Dr, Palo Alto, CA, 94304
- 3240 Alpine Rd, Portola Valley, CA, 94028
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:
- 500 Pasteur Dr, Palo Alto, CA, 94304
- 900 Blake Wilbur Dr, Palo Alto, CA, 94304
- 3240 Alpine Rd, Portola Valley, CA, 94028
This result applies to these offices. Other locations are not confirmed.
$7.30a month

Anthem Blue Cross
1 plan lists Deirdre.
Anthem Full Dual Advantage Aligned (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 900 Wilbur Way, Stanford, CA, 94305
- 300 Pasteur Dr, Stanford, CA, 94305
- 900 Blake Wilbur Dr, Palo Alto, CA, 94304
- 3240 Alpine Rd, Portola Valley, CA, 94028
- 106 La Casa Via, Walnut Creek, CA, 94598
- 2433 Marconi Ave, Sacramento, CA, 95821
This result applies to these offices. Other locations are not confirmed.
$0a month

Blue Shield of California · Highmark Blue Cross Blue Shield or Highmark Blue Shield
1 plan lists Deirdre.
Blue Shield Inspire (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 500 Pasteur Dr, Stanford, CA, 94305
- 900 Blake Wilbur Dr, Palo Alto, CA, 94304
This result applies to these offices. Other locations are not confirmed.
$61a month
14 more Blue Shield of California plans haven't been checked yet.

Santa Clara Family Health Plan
1 plan lists Deirdre.
DualConnect (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 500 Pasteur Dr, Stanford, CA, 94305
- 300 Pasteur Dr, Stanford, CA, 94305
- 900 Blake Wilbur Dr, Palo Alto, CA, 94304
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.

Astiva Health
Not listed on its 3 plans here. That isn't proof they're out of network.

Devoted
Not checked yet.

Geisinger Gold
Not checked yet.

HealthSpring
Not checked yet.

Highmark Wholecare Medicare Assured
Not checked yet.

Humana
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.

Jefferson Health Plans
Not checked yet.

Kaiser Permanente
Not listed on its 3 plans here. That isn't proof they're out of network.

Perennial Advantage
Not checked yet.

SCAN Health Plan
Not listed on its 5 plans here. That isn't proof they're out of network.

UnitedHealthcare
Not checked yet.

UPMC for Life
Not checked yet.

UPMC for Life Complete Care
Not checked yet.

VISTA Health Plan Inc.
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.
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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
2 practice locations
- NPI issued
- 2009
- Registry record updated
- Apr 26, 2024
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Deirdre Lum?
In Santa Clara County, CA and Allegheny County, PA, 14 Medicare Advantage plans for 2027 list Deirdre 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 Deirdre Lum practice?
2 locations, including 300 Pasteur Dr, Stanford, CA. All of them are listed on this page.
How do I confirm Deirdre is in my plan's network?
Call the member services number on your plan card and give them the NPI 1710120530, 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 County, CA and Allegheny County, PA. 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.