Marc SiegelbaumMD
Urology
2027 Medicare Advantage
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Medicare Advantage plans for Baltimore County, MD, Wicomico County, MD and Sussex County, DE.
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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, Aetna Medicare, AmeriHealth Caritas VIP Care (HMO-D-SNP), Humana, KeyCare Advantage and Wellcare's 2027 plans in Baltimore County, MD, Wicomico County, MD and Sussex County, DE haven't been checked yet.
The 62 Medicare Advantage plans we show for Baltimore County, MD, Wicomico County, MD and Sussex County, DE in 2027
- 23 list Marc
- 5 not listed
- 34 not checked yet
Alterwood Advantage
5 plans list Marc.
Alterwood Advantage Freedom (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 6535 N Charles St, Ste 500, Towson, MD, 21204
This result applies to these offices. Other locations are not confirmed.
$0a monthAlterwood Advantage Select (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 6535 N Charles St, Ste 500, Towson, MD, 21204
This result applies to these offices. Other locations are not confirmed.
$0a monthAlterwood Advantage Choice (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 6535 N Charles St, Ste 500, Towson, MD, 21204
This result applies to these offices. Other locations are not confirmed.
$35a monthAlterwood Advantage Dual Secure (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 6535 N Charles St, Ste 500, Towson, MD, 21204
This result applies to these offices. Other locations are not confirmed.
$0a month
Kaiser Permanente
5 plans list Marc.
Kaiser Permanente Medicare Advantage Liberty (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 6535 N Charles St, Baltimore, MD, 21204
- 1838 Greene Tree Rd, Ste 450, Baltimore, MD, 21208
This result applies to these offices. Other locations are not confirmed.
$0a monthKaiser Permanente Medicare Advantage Standard 2 MD (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 6535 N Charles St, Baltimore, MD, 21204
- 1838 Greene Tree Rd, Ste 450, Baltimore, MD, 21208
This result applies to these offices. Other locations are not confirmed.
$38a monthKaiser Permanente Medicare Advantage High MD (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 6535 N Charles St, Baltimore, MD, 21204
- 1838 Greene Tree Rd, Ste 450, Baltimore, MD, 21208
This result applies to these offices. Other locations are not confirmed.
$114a monthKaiser Permanente Dual Complete Plan 2 MD (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 6535 N Charles St, Baltimore, MD, 21204
- 1838 Greene Tree Rd, Ste 450, Baltimore, MD, 21208
This result applies to these offices. Other locations are not confirmed.
$0a month
CareFirst BlueCross BlueShield Advantage DualPrime · CareFirst BlueCross BlueShield Medicare Advantage · Highmark Blue Cross Blue Shield
4 plans list Marc.
CareFirst BlueCross BlueShield Advantage Salute (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 6535 N Charles St, Fl 5, Towson, MD, 21204
- 7505 Osler Dr, Ste 506, Towson, MD, 21204
- 6535 N Charles St, Ste 500, Towson, MD, 21204
- 8322 Bellona Ave, Ste 202, Towson, MD, 21204
- 1838 Greene Tree Rd, Ste 460, Baltimore, MD, 21208
This result applies to these offices. Other locations are not confirmed.
$0a monthCareFirst BlueCross BlueShield Advantage Complete (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 6535 N Charles St, Fl 5, Towson, MD, 21204
- 7505 Osler Dr, Ste 506, Towson, MD, 21204
- 6535 N Charles St, Ste 500, Towson, MD, 21204
- 8322 Bellona Ave, Ste 202, Towson, MD, 21204
- 1838 Greene Tree Rd, Ste 460, Baltimore, MD, 21208
This result applies to these offices. Other locations are not confirmed.
$45a monthCareFirst BlueCross BlueShield Advantage Signature (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 6535 N Charles St, Fl 5, Towson, MD, 21204
- 7505 Osler Dr, Ste 506, Towson, MD, 21204
- 6535 N Charles St, Ste 500, Towson, MD, 21204
- 8322 Bellona Ave, Ste 202, Towson, MD, 21204
- 1838 Greene Tree Rd, Ste 460, Baltimore, MD, 21208
This result applies to these offices. Other locations are not confirmed.
$47a monthCareFirst BlueCross BlueShield Advantage DualPrime (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 6535 N Charles St, Fl 5, Towson, MD, 21204
- 7505 Osler Dr, Ste 506, Towson, MD, 21204
- 6535 N Charles St, Ste 500, Towson, MD, 21204
- 8322 Bellona Ave, Ste 202, Towson, MD, 21204
- 1838 Greene Tree Rd, Ste 460, Baltimore, MD, 21208
This result applies to these offices. Other locations are not confirmed.
$5.70a month
5 more CareFirst BlueCross BlueShield Advantage DualPrime plans haven't been checked yet.
HealthSpring
4 plans list Marc.
HealthSpring Courage (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 6535 N Charles St, Fl 5, Towson, MD, 21204
- 6535 N Charles St, Ste 500, Towson, MD, 21204
This result applies to these offices. Other locations are not confirmed.
$0a monthHealthSpring Preferred Plus (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 6535 N Charles St, Fl 5, Towson, MD, 21204
- 6535 N Charles St, Ste 500, Towson, MD, 21204
This result applies to these offices. Other locations are not confirmed.
$38a monthHealthSpring TotalCare Plus (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 6535 N Charles St, Fl 5, Towson, MD, 21204
- 6535 N Charles St, Ste 500, Towson, MD, 21204
This result applies to these offices. Other locations are not confirmed.
$7.90a monthHealthSpring Achieve (HMO C-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 6535 N Charles St, Fl 5, Towson, MD, 21204
- 6535 N Charles St, Ste 500, Towson, MD, 21204
This result applies to these offices. Other locations are not confirmed.
$65a month
Johns Hopkins Advantage MD
3 plans list Marc; not listed on 2 other plans.
Johns Hopkins Advantage MD Tribute (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 7505 Osler Dr, Ste 506, Towson, MD, 21204
- 1838 Greene Tree Rd, Ste 460, Pikesville, MD, 21208
This result applies to these offices. Other locations are not confirmed.
$0a monthJohns Hopkins Advantage MD (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 7505 Osler Dr, Ste 506, Towson, MD, 21204
- 1838 Greene Tree Rd, Ste 460, Pikesville, MD, 21208
This result applies to these offices. Other locations are not confirmed.
$49a monthJohns Hopkins Advantage MD D-SNP (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 6535 N Charles St, Ste 500, Towson, MD, 21204
This result applies to these offices. Other locations are not confirmed.
$7.90a month
1 more Johns Hopkins Advantage MD plan hasn't been checked yet.
UnitedHealthcare
2 plans list Marc.
UHC Dual Complete MD-Q001 (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 6535 N Charles St, Fl 5, Towson, MD, 21204
This result applies to these offices. Other locations are not confirmed.
$0a monthUHC Dual Complete MD-S002 (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 6535 N Charles St, Fl 5, Towson, MD, 21204
This result applies to these offices. Other locations are not confirmed.
$0a month
8 more UnitedHealthcare plans haven't been checked yet.
Aetna Medicare
Not checked yet.
AmeriHealth Caritas VIP Care (HMO-D-SNP)
Not checked yet.
Humana
Not checked yet.
9 more Humana plans haven't been checked yet.
KeyCare Advantage
Not listed on its 1 plan here. That isn't proof they're out of network.
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
Where they practice
4 practice locations
- NPI issued
- 2005
- Registry record updated
- Jun 13, 2025
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Marc Siegelbaum?
In Baltimore County, MD, Wicomico County, MD and Sussex County, DE, 23 Medicare Advantage plans for 2027 list Marc 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 Marc Siegelbaum practice?
4 locations, including 7505 Osler Dr, Towson, MD. All of them are listed on this page.
How do I confirm Marc is in my plan's network?
Call the member services number on your plan card and give them the NPI 1578547287, or ask a Silverpath advisor to check for you. It's free.
For providers
Is this your practice?
Patients can use Silverpath to find practices and check plan networks in Baltimore County, MD, Wicomico County, MD and Sussex County, DE. 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.