Maria Isabel VillanuevaMD
Hospitalist
2027 Medicare Advantage
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Medicare Advantage plans for Montgomery County, MD.
Use the name or plan ID on your member card, or choose your insurance company.
Directory results See what each insurance company reports
The 27 Medicare Advantage plans we show for Montgomery County, MD in 2027
- 5 list Maria Isabel
- 22 not listed
CareFirst BlueCross BlueShield Advantage DualPrime · CareFirst BlueCross BlueShield Medicare Advantage
5 plans list Maria Isabel.
CareFirst BlueCross BlueShield Advantage Essential (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 8600 Old Georgetown Rd, Bethesda, MD, 20814
- 2200 Kernan Dr, Gwynn Oak, MD, 21207
- 11711 Livingston Rd, Fort Washington, MD, 20744
This result applies to these offices. Other locations are not confirmed.
$0a monthCareFirst BlueCross BlueShield Advantage Salute (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 8600 Old Georgetown Rd, Bethesda, MD, 20814
- 2200 Kernan Dr, Gwynn Oak, MD, 21207
- 11711 Livingston Rd, Fort Washington, MD, 20744
This result applies to these offices. Other locations are not confirmed.
$0a monthCareFirst BlueCross BlueShield Advantage Complete (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 8600 Old Georgetown Rd, Bethesda, MD, 20814
- 2200 Kernan Dr, Gwynn Oak, MD, 21207
- 11711 Livingston Rd, Fort Washington, MD, 20744
This result applies to these offices. Other locations are not confirmed.
$45a monthCareFirst BlueCross BlueShield Advantage Signature (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 8600 Old Georgetown Rd, Bethesda, MD, 20814
- 2200 Kernan Dr, Gwynn Oak, MD, 21207
- 11711 Livingston Rd, Fort Washington, MD, 20744
This result applies to these offices. Other locations are not confirmed.
$47a month
Alterwood Advantage
Not listed on its 5 plans here. That isn't proof they're out of network.
Humana
Not listed on its 4 plans here. That isn't proof they're out of network.
Johns Hopkins Advantage MD
Not listed on its 5 plans here. That isn't proof they're out of network.
Kaiser Permanente
Not listed on its 7 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.
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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
Practice location
- NPI issued
- 2008
- Registry record updated
- Jul 31, 2017
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Maria Isabel Villanueva?
In Montgomery County, MD, 5 Medicare Advantage plans for 2027 list Maria Isabel in provider data from Medicare.gov or the carrier, including CareFirst BlueCross BlueShield Advantage Essential (PPO), CareFirst BlueCross BlueShield Advantage Salute (PPO) and CareFirst BlueCross BlueShield Advantage Complete (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 Maria Isabel Villanueva take CareFirst BlueCross BlueShield Advantage DualPrime Medicare Advantage plans?
Medicare.gov provider data lists Maria Isabel on 5 Medicare Advantage plans for 2027 in Montgomery County, MD, including CareFirst BlueCross BlueShield Advantage Essential (PPO) and CareFirst BlueCross BlueShield Advantage Salute (PPO). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or CareFirst BlueCross BlueShield Advantage DualPrime before you enroll.
Does Maria Isabel Villanueva take Alterwood Advantage Medicare Advantage plans?
The provider searches didn't return a listing for Maria Isabel on these 5 plans for 2027 in Montgomery County, MD. Directories can lag, and a clinician can be in network at another office, so that isn't proof Maria Isabel is out of network. Ask the office or a Silverpath advisor to confirm.
Does Maria Isabel Villanueva take Humana Medicare Advantage plans?
Humana's own provider directory doesn't list Maria Isabel on any of its 4 plans for 2027 in Montgomery County, MD. Directories can lag, and a clinician can be in network at another office, so that isn't proof Maria Isabel is out of network. Ask the office or a Silverpath advisor to confirm.
Where does Maria Isabel Villanueva practice?
18101 Prince Philip Dr, Olney, MD 20832.
How do I confirm Maria Isabel is in my plan's network?
Call the member services number on your plan card and give them the NPI 1679748800, or ask a Silverpath advisor to check for you. It's free.
For providers
Is this your practice?
What patients see here today:
- Provider searches did not return a listing for Maria Isabel Villanueva on 22 plans from Alterwood Advantage, Humana, Johns Hopkins Advantage MD, Kaiser Permanente and UnitedHealthcare in Montgomery County, MD. 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.