Gregory De RooMD, MBA
Psychiatry & Neurology, Psychiatry
2027 Medicare Advantage
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Medicare Advantage plans for Washington County, TN.
Use the name or plan ID on your member card, or choose your insurance company.
Directory results See what each insurance company reports
The 51 Medicare Advantage plans we show for Washington County, TN in 2027
- 22 list Gregory
- 29 not listed
Humana
11 plans list Gregory.
Humana Gold Plus H4461-080 (HMO)
Source: Humana provider directory.
Listed offices for this plan:
- 403 N State Of Franklin Rd, Johnson City, TN, 37604
This result applies to these offices. Other locations are not confirmed.
$0a monthHumana USAA Honor Giveback (HMO)
Source: Humana provider directory.
Listed offices for this plan:
- 403 N State Of Franklin Rd, Johnson City, TN, 37604
This result applies to these offices. Other locations are not confirmed.
$0a monthHumana USAA Honor Giveback (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 403 N State Of Franklin Rd, Johnson City, TN, 37604
This result applies to these offices. Other locations are not confirmed.
$0a monthHumanaChoice R0110-017 (Regional PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 403 N State Of Franklin Rd, Johnson City, TN, 37604
This result applies to these offices. Other locations are not confirmed.
$0a month
UnitedHealthcare
11 plans list Gregory.
AARP Medicare Advantage Essentials from UHC TC-2 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 403 N State of Franklin Rd, Johnson City, TN, 37604
This result applies to these offices. Other locations are not confirmed.
$0a monthAARP Medicare Advantage Extras from UHC TC-7 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 403 N State of Franklin Rd, Johnson City, TN, 37604
This result applies to these offices. Other locations are not confirmed.
$0a monthAARP Medicare Advantage Giveback from UHC TC-4 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 403 N State of Franklin Rd, Johnson City, TN, 37604
This result applies to these offices. Other locations are not confirmed.
$0a monthAARP Medicare Advantage Patriot No Rx TC-MA01 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 403 N State of Franklin Rd, Johnson City, TN, 37604
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.
BlueCare Plus Tennessee
Not listed on its 3 plans here. That isn't proof they're out of network.
BlueCross BlueShield of Tennessee
Not listed on its 8 plans here. That isn't proof they're out of network.
Devoted
Not listed on its 9 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.
Can't find your plan?Tell us the plan you have, and a licensed Silverpath advisor will check whether Gregory 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
2 practice locations
- NPI issued
- 2022
- Registry record updated
- Jul 9, 2026
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Gregory De Roo?
In Washington County, TN, 22 Medicare Advantage plans for 2027 list Gregory in provider data from Medicare.gov or the carrier, including Humana Gold Plus H4461-080 (HMO), Humana USAA Honor Giveback (HMO) and Humana USAA Honor Giveback (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 Gregory De Roo take Humana Medicare Advantage plans?
Humana's own provider directory lists Gregory on 11 Medicare Advantage plans for 2027 in Washington County, TN, including Humana Gold Plus H4461-080 (HMO) and Humana USAA Honor Giveback (HMO). Confirm with the office or Humana before you enroll.
Does Gregory De Roo take UnitedHealthcare Medicare Advantage plans?
Medicare.gov provider data lists Gregory on 11 Medicare Advantage plans for 2027 in Washington County, TN, including AARP Medicare Advantage Essentials from UHC TC-2 (HMO-POS) and AARP Medicare Advantage Extras from UHC TC-7 (HMO-POS). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or UnitedHealthcare before you enroll.
Does Gregory De Roo take Aetna Medicare Medicare Advantage plans?
The provider searches didn't return a listing for Gregory on these 3 plans for 2027 in Washington County, TN. Directories can lag, and a clinician can be in network at another office, so that isn't proof Gregory is out of network. Ask the office or a Silverpath advisor to confirm.
Where does Gregory De Roo practice?
2 locations, including 403 N State of Franklin Rd, Johnson City, TN. All of them are listed on this page.
How do I confirm Gregory is in my plan's network?
Call the member services number on your plan card and give them the NPI 1316681026, 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 Gregory De Roo on 29 plans from Aetna Medicare, BlueCare Plus Tennessee, BlueCross BlueShield of Tennessee, Devoted and Wellpoint in Washington County, TN. 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.