Diana BreyerMD
Internal Medicine, Pulmonary Disease
2027 Medicare Advantage
Check your plan
Medicare Advantage plans for Larimer 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
Listed on 8 Medicare Advantage plans for 2027
Carrier directories and Medicare.gov provider data list Diana on these plans. Review each plan's covered offices before enrolling. One directory didn't answer this time; we'll try it again.
The 44 Medicare Advantage plans we show for Larimer County, CO in 2027
- 8 list Diana
- 27 not listed
- 9 not checked yet
UnitedHealthcare
4 plans list Diana; not listed on 4 other plans.
AARP Medicare Advantage Essentials from UHC CO-4 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 2121 E Harmony Rd, Unit 300, Fort Collins, CO, 80528
This result applies to these offices. Other locations are not confirmed.
$0a monthAARP Medicare Advantage Patriot No Rx CO-MA02 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 2121 E Harmony Rd, Unit 300, Fort Collins, CO, 80528
This result applies to these offices. Other locations are not confirmed.
$0a monthAARP Medicare Advantage from UHC CO-0003 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 2121 E Harmony Rd, Unit 300, Fort Collins, CO, 80528
This result applies to these offices. Other locations are not confirmed.
$32a monthUHC Complete Care CO-19 (HMO-POS C-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 2121 E Harmony Rd, Unit 300, Fort Collins, CO, 80528
This result applies to these offices. Other locations are not confirmed.
$0a month
Anthem Blue Cross and Blue Shield
2 plans list Diana.
Anthem Medicare Advantage (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 2121 E Harmony Rd, Fort Collins, CO, 80528
- 2500 Rocky Mountain Ave, Loveland, CO, 80538
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:
- 2121 E Harmony Rd, Fort Collins, CO, 80528
- 2500 Rocky Mountain Ave, Loveland, CO, 80538
This result applies to these offices. Other locations are not confirmed.
$18.40a month
Select Health
2 plans list Diana.
Select Health Medicare Essential (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 2121 E Harmony Rd, Unit 300, Fort Collins, CO, 80528
This result applies to these offices. Other locations are not confirmed.
$0a monthSelect Health Medicare Veterans (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 2121 E Harmony Rd, Unit 300, Fort Collins, CO, 80528
This result applies to these offices. Other locations are not confirmed.
$0a month
Aetna Medicare
Not listed on its 6 plans here. That isn't proof they're out of network.
Devoted
Not listed on its 11 plans here. That isn't proof they're out of network.
HealthSpring
Not listed on its 4 plans here. That isn't proof they're out of network.
Humana
This directory didn't answer. We'll try again shortly.
Kaiser Permanente
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 Diana 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
- 2006
- Registry record updated
- Aug 16, 2016
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Diana Breyer?
In Larimer County, CO, 8 Medicare Advantage plans for 2027 list Diana in provider data from Medicare.gov or the carrier, including AARP Medicare Advantage Essentials from UHC CO-4 (HMO-POS), AARP Medicare Advantage Patriot No Rx CO-MA02 (HMO-POS) and AARP Medicare Advantage from UHC CO-0003 (HMO-POS). 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 Diana Breyer take UnitedHealthcare Medicare Advantage plans?
Medicare.gov provider data lists Diana on 4 Medicare Advantage plans for 2027 in Larimer County, CO, including AARP Medicare Advantage Essentials from UHC CO-4 (HMO-POS) and AARP Medicare Advantage Patriot No Rx CO-MA02 (HMO-POS). 4 other plans did not return a listing in the search area. 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 Diana Breyer take Anthem Blue Cross and Blue Shield Medicare Advantage plans?
Medicare.gov provider data lists Diana on 2 Medicare Advantage plans for 2027 in Larimer County, CO, including Anthem Medicare Advantage (HMO-POS) and Anthem Dual Advantage (HMO D-SNP). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or Anthem Blue Cross and Blue Shield before you enroll.
Does Diana Breyer take Select Health Medicare Advantage plans?
Medicare.gov provider data lists Diana on 2 Medicare Advantage plans for 2027 in Larimer County, CO, including Select Health Medicare Essential (HMO) and Select Health Medicare Veterans (HMO). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or Select Health before you enroll.
Where does Diana Breyer practice?
2121 E Harmony Rd, Suite 300, Fort Collins, CO 80528.
How do I confirm Diana is in my plan's network?
Call the member services number on your plan card and give them the NPI 1023088945, 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 Diana Breyer on 23 plans from Aetna Medicare, Devoted, HealthSpring and Kaiser Permanente in Larimer 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.