Sharon O'Brien
Internal Medicine, Pulmonary Disease
2027 Medicare Advantage
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Medicare Advantage plans for District of Columbia County, DC.
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Directory results See what each insurance company reports
The 14 Medicare Advantage plans we show for District of Columbia County, DC in 2027
- 3 list Sharon
- 11 not listed
CareFirst BlueCross BlueShield Medicare Advantage
2 plans list Sharon.
CareFirst BlueCross BlueShield Advantage Salute (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3800 Reservoir Rd NW, # 4, Washington, DC, 20007
This result applies to these offices. Other locations are not confirmed.
$0a monthCareFirst BlueCross BlueShield Advantage Signature (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3800 Reservoir Rd NW, # 4, Washington, DC, 20007
This result applies to these offices. Other locations are not confirmed.
$58a month
Humana
1 plan lists Sharon.
HumanaChoice H5216-383 (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 3800 Reservoir Rd NW, Ste 4, Washington, DC, 20007
This result applies to these offices. Other locations are not confirmed.
$0a month
Aetna Medicare
Not listed on its 3 plans here. That isn't proof they're out of network.
Kaiser Permanente
Not listed on its 4 plans here. That isn't proof they're out of network.
UnitedHealthcare
Not listed on its 4 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 Sharon 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 25, 2026
Where they practice
Practice location
- NPI issued
- 2005
- Registry record updated
- Dec 3, 2007
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Sharon O'Brien?
In District of Columbia County, DC, 3 Medicare Advantage plans for 2027 list Sharon in provider data from Medicare.gov or the carrier, including CareFirst BlueCross BlueShield Advantage Salute (PPO), CareFirst BlueCross BlueShield Advantage Signature (PPO) and HumanaChoice H5216-383 (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 Sharon O'Brien take CareFirst BlueCross BlueShield Medicare Advantage Medicare Advantage plans?
Medicare.gov provider data lists Sharon on 2 Medicare Advantage plans for 2027 in District of Columbia County, DC, including CareFirst BlueCross BlueShield Advantage Salute (PPO) and CareFirst BlueCross BlueShield Advantage Signature (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 Medicare Advantage before you enroll.
Does Sharon O'Brien take Humana Medicare Advantage plans?
Humana's own provider directory lists Sharon on one Medicare Advantage plan for 2027 in District of Columbia County, DC: HumanaChoice H5216-383 (PPO). Confirm with the office or Humana before you enroll.
Does Sharon O'Brien take Aetna Medicare Medicare Advantage plans?
The provider searches didn't return a listing for Sharon on these 3 plans for 2027 in District of Columbia County, DC. Directories can lag, and a clinician can be in network at another office, so that isn't proof Sharon is out of network. Ask the office or a Silverpath advisor to confirm.
Where does Sharon O'Brien practice?
3800 Reservoir Rd NW, Washington, DC 20007.
How do I confirm Sharon is in my plan's network?
Call the member services number on your plan card and give them the NPI 1477541647, 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 Sharon O'Brien on 11 plans from Aetna Medicare, Kaiser Permanente and UnitedHealthcare in District of Columbia County, DC. 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.