Gregorio RieraMD
Obstetrics & Gynecology, Obstetrics
2027 Medicare Advantage
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Medicare Advantage plans for Harris County, TX.
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Directory results See what each insurance company reports
Not listed on the plans that answered
Gregorio wasn't listed on the 90 2027 plans whose directories answered in Harris County, TX. Directories can lag behind, so that isn't proof Gregorio is out of network. Ask us to confirm. One directory didn't answer this time; we'll try it again.
The 92 Medicare Advantage plans we show for Harris County, TX in 2027
- 90 not listed
- 2 not checked yet

Aetna Medicare
Not listed on its 12 plans here. That isn't proof they're out of network.

Community Health Choice
Medicare.gov doesn't have provider data for these plans yet. We'll check again.

Devoted
Not listed on its 10 plans here. That isn't proof they're out of network.

HealthSpring
Not listed on its 8 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.

KelseyCare Advantage
Not listed on its 3 plans here. That isn't proof they're out of network.
MedCare Partners Health Plan of Texas
Not listed on its 3 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.

SCAN Health Plan
Not listed on its 4 plans here. That isn't proof they're out of network.

UnitedHealthcare
Not listed on its 11 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 9 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.
Can't find your plan?Tell us the plan you have, and a licensed Silverpath advisor will check whether Gregorio 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
Practice location
- NPI issued
- 2007
- Registry record updated
- Nov 3, 2010
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Is Gregorio Riera in network with Medicare Advantage plans?
Gregorio wasn't listed on the 90 2027 plans whose directories answered in Harris County, TX. Directories can lag, and other plans haven't been confirmed, so ask the office or a Silverpath advisor.
Does Gregorio Riera take Aetna Medicare Medicare Advantage plans?
The provider searches didn't return a listing for Gregorio on these 12 plans for 2027 in Harris County, TX. Directories can lag, and a clinician can be in network at another office, so that isn't proof Gregorio is out of network. Ask the office or a Silverpath advisor to confirm.
Does Gregorio Riera take Devoted Medicare Advantage plans?
Devoted's own provider directory doesn't list Gregorio on any of its 10 plans for 2027 in Harris County, TX. Directories can lag, and a clinician can be in network at another office, so that isn't proof Gregorio is out of network. Ask the office or a Silverpath advisor to confirm.
Where does Gregorio Riera practice?
6620 Main St, Suite 1450, Houston, TX 77030.
How do I confirm Gregorio is in my plan's network?
Call the member services number on your plan card and give them the NPI 1821282278, or ask a Silverpath advisor to check for you. It's free.
For providers
Is this your practice?
Patients in Harris County, TX look up Gregorio Riera by plan, and the directories we read don't list this practice yet. 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.