Nathan AyerMD, MPH
Internal Medicine
2027 Medicare Advantage
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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
The 44 Medicare Advantage plans we show for Larimer County, CO in 2027
- 27 list Nathan
- 17 not listed
Humana
9 plans list Nathan.
Humana Essentials Plus Giveback (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 221 E 29th St, Ste 102, Loveland, CO, 80538
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:
- 221 E 29th St, Ste 102, Loveland, CO, 80538
This result applies to these offices. Other locations are not confirmed.
$0a monthHumana Total Complete (HMO)
Source: Humana provider directory.
The source lists the clinician on this plan, but hasn't identified a covered office. Confirm your office before enrolling.
$0a monthHumana USAA Honor Giveback (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 221 E 29th St, Ste 102, Loveland, CO, 80538
This result applies to these offices. Other locations are not confirmed.
$0a month
UnitedHealthcare
8 plans list Nathan.
AARP Medicare Advantage Essentials from UHC CO-4 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 221 E 29th St, Ste 202, Loveland, CO, 80538
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:
- 221 E 29th St, Ste 202, Loveland, CO, 80538
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:
- 221 E 29th St, Ste 202, Loveland, CO, 80538
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:
- 221 E 29th St, Ste 202, Loveland, CO, 80538
This result applies to these offices. Other locations are not confirmed.
$0a month
Aetna Medicare
6 plans list Nathan.
Aetna Medicare Eagle (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 221 E 29th St, Ste 202, Loveland, CO, 80538
This result applies to these offices. Other locations are not confirmed.
$0a monthAetna Medicare Signature (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 221 E 29th St, Ste 202, Loveland, CO, 80538
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:
- 221 E 29th St, Ste 202, Loveland, CO, 80538
This result applies to these offices. Other locations are not confirmed.
$18.40a monthAetna Medicare Dual Extra Care (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 221 E 29th St, Ste 202, Loveland, CO, 80538
This result applies to these offices. Other locations are not confirmed.
$0a month
Anthem Blue Cross and Blue Shield
2 plans list Nathan.
Anthem Medicare Advantage (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 221 E 29th St, Loveland, CO, 80538
- 2500 Rocky Mountain Ave, Loveland, CO, 80538
- 2450 S Peoria St, Aurora, CO, 80014
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:
- 221 E 29th St, Loveland, CO, 80538
- 2500 Rocky Mountain Ave, Loveland, CO, 80538
- 2450 S Peoria St, Aurora, CO, 80014
This result applies to these offices. Other locations are not confirmed.
$18.40a month
Select Health
2 plans list Nathan.
Select Health Medicare Essential (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 221 E 29th St, Ste 202, Loveland, CO, 80538
- 221 E 29th St, Ste 102, Loveland, CO, 80538
- 2500 Rocky Mountain Ave, Ste 2200, Loveland, CO, 80538
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:
- 221 E 29th St, Ste 202, Loveland, CO, 80538
- 221 E 29th St, Ste 102, Loveland, CO, 80538
- 2500 Rocky Mountain Ave, Ste 2200, Loveland, CO, 80538
This result applies to these offices. Other locations are not confirmed.
$0a month
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.
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 Nathan 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
2500 Rocky Mountain Ave, North Medical Office Building
Loveland, CO 80538
- NPI issued
- 2006
- Registry record updated
- Jul 24, 2015
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Nathan Ayer?
In Larimer County, CO, 27 Medicare Advantage plans for 2027 list Nathan in provider data from Medicare.gov or the carrier, including Humana Essentials Plus Giveback (PPO) and Humana Total Complete (HMO). 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 Nathan Ayer take Humana Medicare Advantage plans?
Humana's own provider directory lists Nathan on 9 Medicare Advantage plans for 2027 in Larimer County, CO, including Humana Essentials Plus Giveback (PPO) and Humana Total Complete (HMO). Confirm with the office or Humana before you enroll.
Does Nathan Ayer take UnitedHealthcare Medicare Advantage plans?
Medicare.gov provider data lists Nathan on 8 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). 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 Nathan Ayer take Aetna Medicare Medicare Advantage plans?
Medicare.gov provider data lists Nathan on 6 Medicare Advantage plans for 2027 in Larimer County, CO, including Aetna Medicare Eagle (PPO) and Aetna Medicare Signature (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 Nathan Ayer practice?
2500 Rocky Mountain Ave, North Medical Office Building, Loveland, CO 80538.
How do I confirm Nathan is in my plan's network?
Call the member services number on your plan card and give them the NPI 1457361172, 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 Nathan Ayer on 17 plans from 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.