Catherine LazarMD
Internal Medicine, Pulmonary Disease
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
- 6 list Catherine
- 50 not listed
HealthSpring
4 plans list Catherine.
HealthSpring Preferred (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 200 Exempla Cir, Unit 300, Lafayette, CO, 80026
- 280 Exempla Cir, Lafayette, CO, 80026
- 300 Exempla Cir, Ste 310, Lafayette, CO, 80026
- 1960 N Ogden St, Ste 110, Denver, CO, 80218
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:
- 200 Exempla Cir, Unit 300, Lafayette, CO, 80026
- 280 Exempla Cir, Lafayette, CO, 80026
- 300 Exempla Cir, Ste 310, Lafayette, CO, 80026
- 1960 N Ogden St, Ste 110, Denver, CO, 80218
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:
- 200 Exempla Cir, Unit 300, Lafayette, CO, 80026
- 280 Exempla Cir, Lafayette, CO, 80026
- 300 Exempla Cir, Ste 310, Lafayette, CO, 80026
- 1960 N Ogden St, Ste 110, Denver, CO, 80218
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:
- 200 Exempla Cir, Unit 300, Lafayette, CO, 80026
- 280 Exempla Cir, Lafayette, CO, 80026
- 300 Exempla Cir, Ste 310, Lafayette, CO, 80026
- 1960 N Ogden St, Ste 110, Denver, CO, 80218
This result applies to these offices. Other locations are not confirmed.
$18.40a month
Select Health
2 plans list Catherine.
Select Health Medicare Essential (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 200 Exempla Cir, Lafayette, CO, 80026
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:
- 200 Exempla Cir, Lafayette, CO, 80026
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.
Anthem Blue Cross and Blue Shield
Not listed on its 2 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.
Humana
Not listed on its 13 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.
UnitedHealthcare
Not listed on its 11 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 Catherine 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
- 2007
- Registry record updated
- Apr 6, 2021
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Catherine Lazar?
In Boulder County, CO, 6 Medicare Advantage plans for 2027 list Catherine in provider data from Medicare.gov or the carrier, including HealthSpring Preferred (HMO), HealthSpring True Choice (PPO) and HealthSpring TotalCare (HMO D-SNP). 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 Catherine Lazar take HealthSpring Medicare Advantage plans?
Medicare.gov provider data lists Catherine on 4 Medicare Advantage plans for 2027 in Boulder County, CO, including HealthSpring Preferred (HMO) and HealthSpring True Choice (PPO). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or HealthSpring before you enroll.
Does Catherine Lazar take Select Health Medicare Advantage plans?
Medicare.gov provider data lists Catherine on 2 Medicare Advantage plans for 2027 in Boulder 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.
Does Catherine Lazar take Aetna Medicare Medicare Advantage plans?
The provider searches didn't return a listing for Catherine on these 6 plans for 2027 in Boulder County, CO. Directories can lag, and a clinician can be in network at another office, so that isn't proof Catherine is out of network. Ask the office or a Silverpath advisor to confirm.
Where does Catherine Lazar practice?
280 Exempla Cir, Lafayette, CO 80026.
How do I confirm Catherine is in my plan's network?
Call the member services number on your plan card and give them the NPI 1992992440, 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 Catherine Lazar on 50 plans from Aetna Medicare, Anthem Blue Cross and Blue Shield, Devoted, Humana, Kaiser Permanente, Perennial Advantage and UnitedHealthcare 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.