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Provider profile

Katherine DuncanMD

Ophthalmology

3 locationsNPI 1407113566
8625 Pleasant Plains Rd, Towson, MD 21286410-828-5558

2027 Medicare Advantage

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Medicare Advantage plans for Baltimore County, MD and Allegheny County, PA.

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 23 plans so far

Some of Alterwood Advantage, Kaiser Permanente, CareFirst BlueCross BlueShield Advantage DualPrime, HealthSpring, Johns Hopkins Advantage MD, UnitedHealthcare, KeyCare Advantage, Aetna Medicare, Devoted, Geisinger Gold, Highmark Wholecare Medicare Assured, Humana, Jefferson Health Plans, Perennial Advantage, UPMC for Life, UPMC for Life Complete Care, VISTA Health Plan Inc. and Wellcare's 2027 plans in Baltimore County, MD and Allegheny County, PA haven't been checked yet.

The 115 Medicare Advantage plans we show for Baltimore County, MD and Allegheny County, PA in 2027

  • 23 list Katherine
  • 5 not listed
  • 87 not checked yet

Alterwood Advantage

5 plans list Katherine.

5plans

  • Alterwood Advantage Freedom (HMO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 8625 Pleasant Plains Rd, Towson, MD, 21286
    • 110 West Rd, Ste 229, Baltimore, MD, 21204
    • 6569 N Charles St, Ste 505, Baltimore, MD, 21204

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

    HMONo drug coverage3.5 starsH9306-003-000Medicare.gov
    $0a month

  • Alterwood Advantage Select (HMO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 8625 Pleasant Plains Rd, Towson, MD, 21286
    • 110 West Rd, Ste 229, Baltimore, MD, 21204
    • 6569 N Charles St, Ste 505, Baltimore, MD, 21204

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

    HMODrug coverage3.5 starsH9306-009-001Medicare.gov
    $0a month

  • Alterwood Advantage Choice (HMO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 8625 Pleasant Plains Rd, Towson, MD, 21286
    • 110 West Rd, Ste 229, Baltimore, MD, 21204
    • 6569 N Charles St, Ste 505, Baltimore, MD, 21204

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

    HMODrug coverage3.5 starsH9306-008-001Medicare.gov
    $35a month

  • Alterwood Advantage Dual Secure (HMO D-SNP)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 8625 Pleasant Plains Rd, Towson, MD, 21286
    • 110 West Rd, Ste 229, Baltimore, MD, 21204
    • 6569 N Charles St, Ste 505, Baltimore, MD, 21204

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

    HMOFor people with Medicare and MedicaidDrug coverage3.5 starsH9306-004-000Medicare.gov
    $0a month

Kaiser Permanente

5 plans list Katherine.

5plans

  • Kaiser Permanente Medicare Advantage Liberty (HMO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 8625 Pleasant Plains Rd, Ste 229, Towson, MD, 21286
    • 6569 N Charles St, Ste 505, Baltimore, MD, 21204

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

    HMONo drug coverage4.5 starsH2172-005-000Medicare.gov
    $0a month

  • Kaiser Permanente Medicare Advantage Standard 2 MD (HMO-POS)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 8625 Pleasant Plains Rd, Ste 229, Towson, MD, 21286
    • 6569 N Charles St, Ste 505, Baltimore, MD, 21204

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

    HMO-POSDrug coverage4.5 starsH2172-022-000Medicare.gov
    $38a month

  • Kaiser Permanente Medicare Advantage High MD (HMO-POS)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 8625 Pleasant Plains Rd, Ste 229, Towson, MD, 21286
    • 6569 N Charles St, Ste 505, Baltimore, MD, 21204

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

    HMO-POSDrug coverage4.5 starsH2172-002-000Medicare.gov
    $114a month

  • Kaiser Permanente Dual Complete Plan 2 MD (HMO D-SNP)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 8625 Pleasant Plains Rd, Ste 229, Towson, MD, 21286
    • 6569 N Charles St, Ste 505, Baltimore, MD, 21204

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

    HMOFor people with Medicare and MedicaidDrug coverage4.5 starsH2172-017-000Medicare.gov
    $0a month

CareFirst BlueCross BlueShield Advantage DualPrime · CareFirst BlueCross BlueShield Medicare Advantage · Highmark Blue Cross Blue Shield or Highmark Blue Shield

4 plans list Katherine.

4plans

  • CareFirst BlueCross BlueShield Advantage Salute (PPO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 8625 Pleasant Plains Rd, Ste 229, Towson, MD, 21286
    • 8625 Pleasant Plains Rd, Towson, MD, 21286
    • 110 West Rd, Ste 229, Baltimore, MD, 21204
    • 6569 N Charles St, Ste 505, Towson, MD, 21204
    • 6569 N Charles St, Ste 505, Baltimore, MD, 21204

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

    PPONo drug coverage2.5 starsH7379-003-000Medicare.gov
    $0a month

  • CareFirst BlueCross BlueShield Advantage Complete (PPO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 8625 Pleasant Plains Rd, Ste 229, Towson, MD, 21286
    • 8625 Pleasant Plains Rd, Towson, MD, 21286
    • 110 West Rd, Ste 229, Baltimore, MD, 21204
    • 6569 N Charles St, Ste 505, Towson, MD, 21204
    • 6569 N Charles St, Ste 505, Baltimore, MD, 21204

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

    PPODrug coverage2.5 starsH7379-002-000Medicare.gov
    $45a month

  • CareFirst BlueCross BlueShield Advantage Signature (PPO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 8625 Pleasant Plains Rd, Ste 229, Towson, MD, 21286
    • 8625 Pleasant Plains Rd, Towson, MD, 21286
    • 110 West Rd, Ste 229, Baltimore, MD, 21204
    • 6569 N Charles St, Ste 505, Towson, MD, 21204
    • 6569 N Charles St, Ste 505, Baltimore, MD, 21204

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

    PPODrug coverage2.5 starsH7379-004-001Medicare.gov
    $47a month

  • CareFirst BlueCross BlueShield Advantage DualPrime (HMO D-SNP)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 8625 Pleasant Plains Rd, Ste 229, Towson, MD, 21286
    • 8625 Pleasant Plains Rd, Towson, MD, 21286
    • 110 West Rd, Ste 229, Baltimore, MD, 21204
    • 6569 N Charles St, Ste 505, Baltimore, MD, 21204

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

    HMOFor people with Medicare and MedicaidDrug coverage3 starsH8854-002-000Medicare.gov
    $5.70a month

14 more CareFirst BlueCross BlueShield Advantage DualPrime plans haven't been checked yet.

HealthSpring

4 plans list Katherine.

4plans

  • HealthSpring Courage (HMO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 110 West Rd, Ste 229, Baltimore, MD, 21204
    • 6569 N Charles St, Ste 505, Baltimore, MD, 21204

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

    HMONo drug coverage3 starsH2108-045-000Medicare.gov
    $0a month

  • HealthSpring Preferred Plus (HMO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 110 West Rd, Ste 229, Baltimore, MD, 21204
    • 6569 N Charles St, Ste 505, Baltimore, MD, 21204

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

    HMODrug coverage3 starsH2108-022-000Medicare.gov
    $38a month

  • HealthSpring TotalCare Plus (HMO D-SNP)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 110 West Rd, Ste 229, Baltimore, MD, 21204
    • 6569 N Charles St, Ste 505, Baltimore, MD, 21204

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

    HMOFor people with Medicare and MedicaidDrug coverage3 starsH2108-041-000Medicare.gov
    $7.90a month

  • HealthSpring Achieve (HMO C-SNP)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 110 West Rd, Ste 229, Baltimore, MD, 21204
    • 6569 N Charles St, Ste 505, Baltimore, MD, 21204

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

    HMOFor people with certain chronic conditionsDrug coverage3 starsH2108-030-000Medicare.gov
    $65a month

4 more HealthSpring plans haven't been checked yet.

Johns Hopkins Advantage MD

2 plans list Katherine; not listed on 3 other plans.

2plans

  • Johns Hopkins Advantage MD (PPO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 8625 Pleasant Plains Rd, Ste 229, Towson, MD, 21286
    • 110 West Rd, Ste 229, Baltimore, MD, 21204
    • 6569 N Charles St, Ste 505, Towson, MD, 21204

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

    PPODrug coverage4 starsH3890-001-000Medicare.gov
    $95a month

  • Johns Hopkins Advantage MD Plus (PPO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 8625 Pleasant Plains Rd, Ste 229, Towson, MD, 21286
    • 110 West Rd, Ste 229, Baltimore, MD, 21204
    • 6569 N Charles St, Ste 505, Towson, MD, 21204

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

    PPODrug coverage4 starsH3890-002-000Medicare.gov
    $165a month

UnitedHealthcare

2 plans list Katherine.

2plans

  • UHC Dual Complete MD-Q001 (HMO D-SNP)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 8625 Pleasant Plains Rd, Ste 229, Towson, MD, 21286
    • 8625 Pleasant Plains Rd, Towson, MD, 21286
    • 110 West Rd, Ste 229, Towson, MD, 21204
    • 6569 N Charles St, Ste 505, Towson, MD, 21204

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

    HMOFor people with Medicare and MedicaidDrug coverage3 starsH7464-012-000Medicare.gov
    $0a month

  • UHC Dual Complete MD-S002 (HMO D-SNP)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 8625 Pleasant Plains Rd, Ste 229, Towson, MD, 21286
    • 8625 Pleasant Plains Rd, Towson, MD, 21286
    • 110 West Rd, Ste 229, Towson, MD, 21204
    • 6569 N Charles St, Ste 505, Towson, MD, 21204

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

    HMOFor people with Medicare and MedicaidDrug coverage3 starsH7464-008-002Medicare.gov
    $0a month

12 more UnitedHealthcare plans haven't been checked yet.

KeyCare Advantage

1 plan lists Katherine.

1plan

  • KeyCare Advantage Plus (HMO C-SNP)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 8625 Pleasant Plains Rd, Baltimore, MD, 21286
    • 8625 Pleasant Plains Rd, Ste 229, Towson, MD, 21286
    • 8625 Pleasant Plains Rd, Towson, MD, 21286
    • 110 West Rd, Ste 229, Towson, MD, 21204
    • 110 West Rd, Ste 229, Baltimore, MD, 21204
    • 6569 N Charles St, Ste 505, Baltimore, MD, 21204

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

    HMOFor people with certain chronic conditionsDrug coverageH6959-002-000Medicare.gov
    $0a month

Aetna Medicare

Not checked yet.

Devoted

Not checked yet.

Geisinger Gold

Not checked yet.

Highmark Wholecare Medicare Assured

Not checked yet.

Humana

Not checked yet.

12 more Humana plans haven't been checked yet.

Jefferson Health Plans

Not checked yet.

Perennial Advantage

Not checked yet.

UPMC for Life

Not checked yet.

UPMC for Life Complete Care

Not checked yet.

VISTA Health Plan Inc.

Not checked yet.

Wellcare

Not checked yet.

Premiums are each plan's own monthly premium, as filed with Medicare. You keep paying your Medicare Part B premium.

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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

3 practice locations

8625 Pleasant Plains Rd
Towson, MD 21286

410-828-5558Directions
NPI Registry

203 Lothrop St, 7th Floor, Eeins
Pittsburgh, PA 15213

412-647-2214Directions
NPI Registry

6569 N Charles St Ste 505
Baltimore, MD 21204

443-849-3167Directions
NPI Registry
NPI issued
2012
Registry record updated
Jul 21, 2022

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

Questions

Common questions

Which 2027 Medicare Advantage plans list Katherine Duncan?

In Baltimore County, MD and Allegheny County, PA, 23 Medicare Advantage plans for 2027 list Katherine in provider data from Medicare.gov or the carrier, including Alterwood Advantage Freedom (HMO), Alterwood Advantage Select (HMO) and Alterwood Advantage Choice (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.

Where does Katherine Duncan practice?

3 locations, including 8625 Pleasant Plains Rd, Towson, MD. All of them are listed on this page.

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

Call the member services number on your plan card and give them the NPI 1407113566, or ask a Silverpath advisor to check for you. It's free.

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A Silverpath advisor can confirm Katherine's networks with the carrier and help you compare plans that include them.

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Patients can use Silverpath to find practices and check plan networks in Baltimore County, MD and Allegheny County, PA. 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.

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Nearby

Jana FriedmanTowson, MD · Listed on 26 plansGeorge DuncanTowson, MD · Listed on 19 plansSanjay GoelTowson, MD · Listed on 13 plansSudeep PramanikTowson, MD · Listed on 7 plansAnthony KameenTowson, MDDarab HormoziTowson, MDGary EhrlichTowson, MDKapil SampatTowson, MD

See all ophthalmology providers in MD

Sources. Name, specialty and locations: the CMS NPI Registry (record updated 2022-07-21). Plan networks: carrier provider directories and Medicare.gov provider data, checked Oct 14, 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 Katherine Duncan 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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