Provider profile

Erin KosterMD

Obstetrics & Gynecology, Maternal & Fetal Medicine

NPI 1902875958
4645 Avon Lane, Suite 180b, Frisco, TX 75033972-704-1318

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Medicare Advantage plans for Denton County, TX.

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 60 Medicare Advantage plans we show for Denton County, TX in 2027

  • 3 list Erin
  • 57 not listed

Baylor Scott & White Health Plan

3 plans list Erin.

3plans
  • BSW SeniorCare Advantage Select (HMO-POS)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 4645 Avon Ln, Ste 180B, Frisco, TX, 75033

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

    HMO-POSNo drug coverage4.5 starsH8142-008-000Medicare.gov
    $0a month
  • BSW SeniorCare Advantage Select Rx (HMO-POS)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 4645 Avon Ln, Ste 180B, Frisco, TX, 75033

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

    HMO-POSDrug coverage4.5 starsH8142-007-000Medicare.gov
    $0a month
  • BSW SeniorCare Advantage (PPO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 4645 Avon Ln, Ste 180B, Frisco, TX, 75033

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

    PPODrug coverage4 starsH2032-001-000Medicare.gov
    $32a month

HealthSpring

Not listed on its 6 plans here. That isn't proof they're out of network.

Humana

Not listed on its 20 plans here. That isn't proof they're out of network.

Molina Healthcare of Texas, Inc.

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

ProCare Advantage

Not listed on its 2 plans here. That isn't proof they're out of network.

UnitedHealthcare

Not listed on its 15 plans here. That isn't proof they're out of network.

Verda Health Plan of Texas

Not listed on its 2 plans here. That isn't proof they're out of network.

Wellcare

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

Wellpoint

Not listed on its 6 plans 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.

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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

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Practice location

4645 Avon Lane, Suite 180b
Frisco, TX 75033

NPI Registry
NPI issued
2006
Registry record updated
Jul 22, 2020

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

Common questions

Which 2027 Medicare Advantage plans list Erin Koster?

In Denton County, TX, 3 Medicare Advantage plans for 2027 list Erin in provider data from Medicare.gov or the carrier, including BSW SeniorCare Advantage Select (HMO-POS), BSW SeniorCare Advantage Select Rx (HMO-POS) and BSW SeniorCare Advantage (PPO). 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.

Does Erin Koster take Baylor Scott & White Health Plan Medicare Advantage plans?

Medicare.gov provider data lists Erin on 3 Medicare Advantage plans for 2027 in Denton County, TX, including BSW SeniorCare Advantage Select (HMO-POS) and BSW SeniorCare Advantage Select Rx (HMO-POS). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or Baylor Scott & White Health Plan before you enroll.

Does Erin Koster take HealthSpring Medicare Advantage plans?

The provider searches didn't return a listing for Erin on these 6 plans for 2027 in Denton County, TX. Directories can lag, and a clinician can be in network at another office, so that isn't proof Erin is out of network. Ask the office or a Silverpath advisor to confirm.

Does Erin Koster take Humana Medicare Advantage plans?

Humana's own provider directory doesn't list Erin on any of its 20 plans for 2027 in Denton County, TX. Directories can lag, and a clinician can be in network at another office, so that isn't proof Erin is out of network. Ask the office or a Silverpath advisor to confirm.

Where does Erin Koster practice?

4645 Avon Lane, Suite 180b, Frisco, TX 75033.

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

Call the member services number on your plan card and give them the NPI 1902875958, or ask a Silverpath advisor to check for you. It's free.

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For providers

Is this your practice?

What patients see here today:

  • Provider searches did not return a listing for Erin Koster on 57 plans from HealthSpring, Humana, Molina Healthcare of Texas, Inc., ProCare Advantage, UnitedHealthcare, Verda Health Plan of Texas, Wellcare and Wellpoint in Denton County, TX. 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 2020-07-22). 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 Erin Koster 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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