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Provider profile

Carl AldinMD

Internal Medicine

NPI 1932728565
4747 Arapahoe Ave, Boulder, CO 80303303-415-7000

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

Listed on 40 plans so far

Some of Devoted, UnitedHealthcare, Aetna Medicare, Kaiser Permanente, HealthSpring, Anthem Blue Cross and Blue Shield, Select Health, Humana and Perennial Advantage's 2027 plans in Boulder County, CO haven't been checked yet.

The 56 Medicare Advantage plans we show for Boulder County, CO in 2027

  • 40 list Carl
  • 3 not listed
  • 13 not checked yet

Devoted

11 plans list Carl.

11plans

  • DEVOTED CHOICE 002 CO (PPO)

    Source: Devoted provider directory.

    Listed offices for this plan:

    • 5495 Arapahoe Ave, Suite 100, Boulder, CO, 80303

    This result applies to these offices. Other locations are not confirmed.

    PPODrug coverage3 starsH4808-002-000Medicare.gov
    $0a month

  • DEVOTED CHOICE GIVEBACK 003 CO (PPO)

    Source: Devoted provider directory.

    Listed offices for this plan:

    • 5495 Arapahoe Ave, Suite 100, Boulder, CO, 80303

    This result applies to these offices. Other locations are not confirmed.

    PPODrug coverage3 starsH4808-003-000Medicare.gov
    $0a month

  • DEVOTED CHOICE MA ONLY 004 CO (PPO)

    Source: Devoted provider directory.

    Listed offices for this plan:

    • 5495 Arapahoe Ave, Suite 100, Boulder, CO, 80303

    This result applies to these offices. Other locations are not confirmed.

    PPONo drug coverage3 starsH4808-004-000Medicare.gov
    $0a month

  • DEVOTED CORE 004 CO (HMO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 5495 Arapahoe Ave, Ste 100, Boulder, CO, 80303

    This result applies to these offices. Other locations are not confirmed.

    HMODrug coverage4 starsH7147-004-000Medicare.gov
    $0a month

UnitedHealthcare

9 plans list Carl; not listed on 2 other plans.

9plans

  • AARP Medicare Advantage Essentials from UHC CO-2 (HMO-POS)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 5495 Arapahoe Ave, Ste 100, Boulder, CO, 80303

    This result applies to these offices. Other locations are not confirmed.

    HMO-POSDrug coverage4 starsH0609-012-000Medicare.gov
    $0a month

  • AARP Medicare Advantage Extras from UHC CO-5 (HMO-POS)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 5495 Arapahoe Ave, Ste 100, Boulder, CO, 80303

    This result applies to these offices. Other locations are not confirmed.

    HMO-POSDrug coverage4 starsH0609-048-000Medicare.gov
    $0a month

  • AARP Medicare Advantage from UHC CO-0011 (HMO-POS)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 5495 Arapahoe Ave, Ste 100, Boulder, CO, 80303

    This result applies to these offices. Other locations are not confirmed.

    HMO-POSDrug coverageH6706-001-000Medicare.gov
    $0a month

  • AARP Medicare Advantage Patriot No Rx CO-MA01 (HMO-POS)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 5495 Arapahoe Ave, Ste 100, Boulder, CO, 80303

    This result applies to these offices. Other locations are not confirmed.

    HMO-POSNo drug coverage4 starsH0609-018-000Medicare.gov
    $0a month

Aetna Medicare

6 plans list Carl.

6plans

  • Aetna Medicare Eagle (PPO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 5495 Arapahoe Ave, Ste 100A, Boulder, CO, 80303
    • 4747 Arapahoe Ave, Boulder, CO, 80303

    This result applies to these offices. Other locations are not confirmed.

    PPONo drug coverage4 starsH5521-378-000Medicare.gov
    $0a month

  • Aetna Medicare Value Care (PPO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 5495 Arapahoe Ave, Ste 100A, Boulder, CO, 80303
    • 4747 Arapahoe Ave, Boulder, CO, 80303

    This result applies to these offices. Other locations are not confirmed.

    PPODrug coverage4 starsH5521-443-000Medicare.gov
    $18.40a month

  • Aetna Medicare Chronic Care (HMO C-SNP)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 5495 Arapahoe Ave, Ste 100A, Boulder, CO, 80303
    • 4747 Arapahoe Ave, Boulder, CO, 80303

    This result applies to these offices. Other locations are not confirmed.

    HMOFor people with certain chronic conditionsDrug coverage4 starsH5593-004-000Medicare.gov
    $0a month

  • Aetna Medicare Dual Extra Care (HMO D-SNP)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 5495 Arapahoe Ave, Ste 100A, Boulder, CO, 80303
    • 4747 Arapahoe Ave, Boulder, CO, 80303

    This result applies to these offices. Other locations are not confirmed.

    HMOFor people with Medicare and MedicaidDrug coverage3.5 starsH3931-175-000Medicare.gov
    $0a month

Kaiser Permanente

6 plans list Carl.

6plans

  • Kaiser Permanente Senior Advantage Bronze DM (HMO-POS)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 5495 Arapahoe Ave, Ste 100, Boulder, CO, 80303

    This result applies to these offices. Other locations are not confirmed.

    HMO-POSDrug coverage4 starsH0630-025-000Medicare.gov
    $0a month

  • Kaiser Permanente Senior Advantage Core DM (HMO-POS)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 5495 Arapahoe Ave, Ste 100, Boulder, CO, 80303

    This result applies to these offices. Other locations are not confirmed.

    HMO-POSDrug coverage4 starsH0630-013-000Medicare.gov
    $0a month

  • Kaiser Permanente Senior Advantage Silver DM (HMO-POS)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 5495 Arapahoe Ave, Ste 100, Boulder, CO, 80303

    This result applies to these offices. Other locations are not confirmed.

    HMO-POSDrug coverage4 starsH0630-015-000Medicare.gov
    $48a month

  • Kaiser Permanente Senior Advantage Gold (HMO-POS)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 5495 Arapahoe Ave, Ste 100, Boulder, CO, 80303

    This result applies to these offices. Other locations are not confirmed.

    HMO-POSDrug coverage4 starsH0630-016-000Medicare.gov
    $194a month

HealthSpring

4 plans list Carl.

4plans

  • HealthSpring Preferred (HMO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 5495 Arapahoe Ave, Ste 100, Boulder, CO, 80303

    This result applies to these offices. Other locations are not confirmed.

    HMODrug coverageH2752-005-000Medicare.gov
    $0a month

  • HealthSpring True Choice (PPO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 5495 Arapahoe Ave, Ste 100, Boulder, CO, 80303

    This result applies to these offices. Other locations are not confirmed.

    PPODrug coverage3 starsH7849-147-000Medicare.gov
    $0a month

  • HealthSpring TotalCare (HMO D-SNP)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 5495 Arapahoe Ave, Ste 100, Boulder, CO, 80303

    This result applies to these offices. Other locations are not confirmed.

    HMOFor people with Medicare and MedicaidDrug coverageH2752-009-000Medicare.gov
    $18.40a month

  • HealthSpring TotalCare Plus (HMO D-SNP)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 5495 Arapahoe Ave, Ste 100, Boulder, CO, 80303

    This result applies to these offices. Other locations are not confirmed.

    HMOFor people with Medicare and MedicaidDrug coverageH2752-008-000Medicare.gov
    $18.40a month

Anthem Blue Cross and Blue Shield

2 plans list Carl.

2plans

  • Anthem Medicare Advantage (HMO-POS)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 5495 Arapahoe Ave, Boulder, CO, 80303
    • 1755 48th St, Boulder, CO, 80301
    • 6685 Gunpark Dr, Boulder, CO, 80301

    This result applies to these offices. Other locations are not confirmed.

    HMO-POSDrug coverage3.5 starsH4346-012-000Medicare.gov
    $0a month

  • Anthem Dual Advantage (HMO D-SNP)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 5495 Arapahoe Ave, Boulder, CO, 80303
    • 1755 48th St, Boulder, CO, 80301
    • 6685 Gunpark Dr, Boulder, CO, 80301

    This result applies to these offices. Other locations are not confirmed.

    HMOFor people with Medicare and MedicaidDrug coverage3.5 starsH4346-014-000Medicare.gov
    $18.40a month

Select Health

2 plans list Carl.

2plans

  • Select Health Medicare Essential (HMO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 5495 Arapahoe Ave, Ste 100, Boulder, CO, 80303
    • 1755 48th St, Ste 200, Boulder, CO, 80301
    • 1645 Broadway, Boulder, CO, 80302
    • 6685 Gunpark Dr, Ste 110, Boulder, CO, 80301
    • 101 Erie Pkwy, Ste 201C, Erie, CO, 80516

    This result applies to these offices. Other locations are not confirmed.

    HMODrug coverage4 starsH1994-045-000Medicare.gov
    $0a month

  • Select Health Medicare Veterans (HMO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 5495 Arapahoe Ave, Ste 100, Boulder, CO, 80303
    • 1755 48th St, Ste 200, Boulder, CO, 80301
    • 1645 Broadway, Boulder, CO, 80302
    • 6685 Gunpark Dr, Ste 110, Boulder, CO, 80301
    • 101 Erie Pkwy, Ste 201C, Erie, CO, 80516

    This result applies to these offices. Other locations are not confirmed.

    HMONo drug coverage4 starsH1994-033-000Medicare.gov
    $0a month

Humana

Not checked yet.

Perennial Advantage

Not listed on its 1 plan 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 Carl 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

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Where they practice

Practice location

4747 Arapahoe Ave
Boulder, CO 80303

303-415-7000Directions
NPI Registry
NPI issued
2020
Registry record updated
Sep 12, 2023

Medicare's clinician details aren't available on this page yet.

Questions

Common questions

Which 2027 Medicare Advantage plans list Carl Aldin?

In Boulder County, CO, 40 Medicare Advantage plans for 2027 list Carl in provider data from Medicare.gov or the carrier, including DEVOTED CHOICE 002 CO (PPO), DEVOTED CHOICE GIVEBACK 003 CO (PPO) and DEVOTED CHOICE MA ONLY 004 CO (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.

Where does Carl Aldin practice?

4747 Arapahoe Ave, Boulder, CO 80303.

How do I confirm Carl is in my plan's network?

Call the member services number on your plan card and give them the NPI 1932728565, or ask a Silverpath advisor to check for you. It's free.

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Nearby

Kimberly BrandstetterBoulder, CO · Listed on 38 plansCoco DughiBoulder, CO · Listed on 22 plansJennifer ChristensenBoulder, CO · Listed on 22 plansJose DelgadoBoulder, CO · Listed on 22 plansLaura ErbenBoulder, CO · Listed on 22 plansAmy CampbellBoulder, CO · Listed on 16 plansBradley FanestilBoulder, CO · Listed on 10 plansJeffrey CarterBoulder, CO · Listed on 7 plans

See all internal medicine providers in CO

Sources. Name, specialty and locations: the CMS NPI Registry (record updated 2023-09-12). Plan networks: carrier provider directories and Medicare.gov provider data, checked Oct 13, 2026. CMS matches apply to the covered offices shown with each plan. Plans: CMS 2027 Medicare Advantage landscape.

Networks change during the year, and a directory can be out of date. Confirm with the provider's office and the plan before you enroll or schedule care.

Silverpath is a licensed insurance agency. This page isn't affiliated with or endorsed by Carl Aldin or their practice. Not connected with or endorsed by the U.S. government or the federal Medicare program.

We do not offer every plan available in your area. Please contact Medicare.gov or 1-800-MEDICARE to get information on all of your options.

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