Gregory ToyMD
Internal Medicine, Gastroenterology
2027 Medicare Advantage
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Medicare Advantage plans for Boulder County, CO.
Use the name or plan ID on your member card, or choose your insurance company.
Directory results See what each insurance company reports
The 56 Medicare Advantage plans we show for Boulder County, CO in 2027
- 36 list Gregory
- 20 not listed
Humana
13 plans list Gregory.
Humana Essentials Plus Giveback (HMO)
Source: Humana provider directory.
Listed offices for this plan:
- 1000 W South Boulder Rd, Ste 200, Lafayette, CO, 80026
This result applies to these offices. Other locations are not confirmed.
$0a monthHumana Essentials Plus Giveback (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 1000 W South Boulder Rd, Ste 200, Lafayette, CO, 80026
This result applies to these offices. Other locations are not confirmed.
$0a monthHumana Essentials Plus Giveback (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 1000 W South Boulder Rd, Ste 200, Lafayette, CO, 80026
This result applies to these offices. Other locations are not confirmed.
$0a monthHumana Total Complete (HMO)
Source: Humana provider directory.
Listed offices for this plan:
- 1000 W South Boulder Rd, Ste 200, Lafayette, CO, 80026
This result applies to these offices. Other locations are not confirmed.
$0a month
UnitedHealthcare
11 plans list Gregory.
AARP Medicare Advantage Essentials from UHC CO-2 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1000 W South Boulder Rd, Ste 200, Lafayette, CO, 80026
This result applies to these offices. Other locations are not confirmed.
$0a monthAARP Medicare Advantage Extras from UHC CO-5 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1000 W South Boulder Rd, Ste 200, Lafayette, CO, 80026
This result applies to these offices. Other locations are not confirmed.
$0a monthAARP Medicare Advantage from UHC CO-0011 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1000 W South Boulder Rd, Ste 200, Lafayette, CO, 80026
This result applies to these offices. Other locations are not confirmed.
$0a monthAARP Medicare Advantage from UHC CO-21P (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1000 W South Boulder Rd, Ste 200, Lafayette, CO, 80026
This result applies to these offices. Other locations are not confirmed.
$0a month
Aetna Medicare
6 plans list Gregory.
Aetna Medicare Eagle (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1000 W South Boulder Rd, Ste 200, Lafayette, CO, 80026
- 382 S Arthur Ave, Louisville, CO, 80027
- 1755 48th St, Ste 100, Boulder, CO, 80301
This result applies to these offices. Other locations are not confirmed.
$0a monthAetna Medicare Value Care (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1000 W South Boulder Rd, Ste 200, Lafayette, CO, 80026
- 382 S Arthur Ave, Louisville, CO, 80027
- 1755 48th St, Ste 100, Boulder, CO, 80301
This result applies to these offices. Other locations are not confirmed.
$18.40a monthAetna Medicare Chronic Care (HMO C-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1000 W South Boulder Rd, Ste 200, Lafayette, CO, 80026
- 382 S Arthur Ave, Louisville, CO, 80027
- 1755 48th St, Ste 100, Boulder, CO, 80301
This result applies to these offices. Other locations are not confirmed.
$0a monthAetna Medicare Dual Extra Care (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1000 W South Boulder Rd, Ste 200, Lafayette, CO, 80026
- 382 S Arthur Ave, Louisville, CO, 80027
- 1755 48th St, Ste 100, Boulder, CO, 80301
This result applies to these offices. Other locations are not confirmed.
$0a month
HealthSpring
4 plans list Gregory.
HealthSpring Preferred (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1000 W South Boulder Rd, Ste 200, Lafayette, CO, 80026
- 1755 48th St, Ste 100, Boulder, CO, 80301
This result applies to these offices. Other locations are not confirmed.
$0a monthHealthSpring True Choice (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1000 W South Boulder Rd, Ste 200, Lafayette, CO, 80026
- 1755 48th St, Ste 100, Boulder, CO, 80301
This result applies to these offices. Other locations are not confirmed.
$0a monthHealthSpring TotalCare (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1000 W South Boulder Rd, Ste 200, Lafayette, CO, 80026
- 1755 48th St, Ste 100, Boulder, CO, 80301
This result applies to these offices. Other locations are not confirmed.
$18.40a monthHealthSpring TotalCare Plus (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1000 W South Boulder Rd, Ste 200, Lafayette, CO, 80026
- 1755 48th St, Ste 100, Boulder, CO, 80301
This result applies to these offices. Other locations are not confirmed.
$18.40a month
Anthem Blue Cross and Blue Shield
2 plans list Gregory.
Anthem Medicare Advantage (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1000 W South Boulder Rd, Lafayette, CO, 80026
This result applies to these offices. Other locations are not confirmed.
$0a monthAnthem Dual Advantage (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1000 W South Boulder Rd, Lafayette, CO, 80026
This result applies to these offices. Other locations are not confirmed.
$18.40a month
Devoted
Not listed on its 11 plans here. That isn't proof they're out of network.
Kaiser Permanente
Not listed on its 6 plans here. That isn't proof they're out of network.
Perennial Advantage
Not listed on its 1 plan here. That isn't proof they're out of network.
Select Health
Not listed on its 2 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
Practice location
- NPI issued
- 2019
- Registry record updated
- Jul 29, 2026
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Gregory Toy?
In Boulder County, CO, 36 Medicare Advantage plans for 2027 list Gregory in provider data from Medicare.gov or the carrier, including Humana Essentials Plus Giveback (HMO) and Humana Essentials Plus 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 Toy take Humana Medicare Advantage plans?
Humana's own provider directory lists Gregory on 13 Medicare Advantage plans for 2027 in Boulder County, CO, including Humana Essentials Plus Giveback (HMO) and Humana Essentials Plus Giveback (PPO). Confirm with the office or Humana before you enroll.
Does Gregory Toy take UnitedHealthcare Medicare Advantage plans?
Medicare.gov provider data lists Gregory on 11 Medicare Advantage plans for 2027 in Boulder County, CO, including AARP Medicare Advantage Essentials from UHC CO-2 (HMO-POS) and AARP Medicare Advantage Extras from UHC CO-5 (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 Toy take Aetna Medicare Medicare Advantage plans?
Medicare.gov provider data lists Gregory on 6 Medicare Advantage plans for 2027 in Boulder County, CO, including Aetna Medicare Eagle (PPO) and Aetna Medicare Value Care (PPO). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or Aetna Medicare before you enroll.
Where does Gregory Toy practice?
1000 W South Boulder Rd, Lafayette, CO 80026.
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 1225599418, 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 Toy on 20 plans from Devoted, Kaiser Permanente, Perennial Advantage and Select Health in Boulder County, CO. 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.