Provider profile

Sonal AggarwalMD

Family Medicine

NPI 1336336411
1450 Treat Blvd, Suite 160, Walnut Creek, CA 94597925-296-9000

Check your plan

Medicare Advantage plans for Contra Costa County, CA.

Checked Oct 13, 2026

Use the name or plan ID on your member card, or choose your insurance company.

Directory results See what each insurance company reports

The 10 Medicare Advantage plans we show for Contra Costa County, CA in 2027

  • 1 lists Sonal
  • 9 not listed

Humana

1 plan lists Sonal.

1plan
  • HumanaChoice H5525-084 (PPO)

    Source: Humana provider directory.

    Listed offices for this plan:

    • 3 Altarinda Rd, Ste 200, Orinda, CA, 94563
    • 5860 Owens Dr, Ste 210, Pleasanton, CA, 94588
    • 140 Brookwood Rd, Ste 201, Orinda, CA, 94563

    This result applies to these offices. Other locations are not confirmed.

    PPODrug coverage4 starsH5525-084-000Medicare.gov
    $93a month

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

UnitedHealthcare

Not listed on its 1 plan here. That isn't proof they're out of network.

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 Sonal takes it. Free.

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 21, 2026

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Practice location

1450 Treat Blvd, Suite 160
Walnut Creek, CA 94597

NPI Registry
NPI issued
2007
Registry record updated
Jun 26, 2015

Medicare's clinician details aren't available on this page yet.

Common questions

Which 2027 Medicare Advantage plans list Sonal Aggarwal?

In Contra Costa County, CA, 1 Medicare Advantage plan for 2027 lists Sonal 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.

Does Sonal Aggarwal take Humana Medicare Advantage plans?

Humana's own provider directory lists Sonal on one Medicare Advantage plan for 2027 in Contra Costa County, CA: HumanaChoice H5525-084 (PPO). Confirm with the office or Humana before you enroll.

Does Sonal Aggarwal take Contra Costa Health Care Plus (HMO D-SNP) Medicare Advantage plans?

The provider searches didn't return a listing for Sonal on this plan for 2027 in Contra Costa County, CA. Directories can lag, and a clinician can be in network at another office, so that isn't proof Sonal is out of network. Ask the office or a Silverpath advisor to confirm.

Does Sonal Aggarwal take Imperial Health Plan of California, Inc. Medicare Advantage plans?

The provider searches didn't return a listing for Sonal on these 4 plans for 2027 in Contra Costa County, CA. Directories can lag, and a clinician can be in network at another office, so that isn't proof Sonal is out of network. Ask the office or a Silverpath advisor to confirm.

Where does Sonal Aggarwal practice?

1450 Treat Blvd, Suite 160, Walnut Creek, CA 94597.

How do I confirm Sonal is in my plan's network?

Call the member services number on your plan card and give them the NPI 1336336411, or ask a Silverpath advisor to check for you. It's free.

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A Silverpath advisor can confirm Sonal's networks with the carrier and help you compare plans that include them.

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For providers

Is this your practice?

What patients see here today:

  • Provider searches did not return a listing for Sonal Aggarwal on 9 plans from Contra Costa Health Care Plus (HMO D-SNP), Imperial Health Plan of California, Inc., Kaiser Permanente and UnitedHealthcare in Contra Costa County, CA. Other offices are not confirmed; this isn't proof the practice is out of network.

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.

Sources. Name, specialty and locations: the CMS NPI Registry (record updated 2015-06-26). Plan networks: carrier provider directories and Medicare.gov provider data, checked Oct 13, 2026. CMS matches apply to the covered offices shown with each plan. Plans: CMS 2027 Medicare Advantage landscape.

Networks change during the year, and a directory can be out of date. Confirm with the provider's office and the plan before you enroll or schedule care.

Silverpath is a licensed insurance agency. This page isn't affiliated with or endorsed by Sonal Aggarwal or their practice. Not connected with or endorsed by the U.S. government or the federal Medicare program.

We do not offer every plan available in your area. Please contact Medicare.gov or 1-800-MEDICARE to get information on all of your options.

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