John HerzenbergMD
Orthopaedic Surgery
2027 Medicare Advantage
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Medicare Advantage plans for Baltimore city County, MD.
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Directory results See what each insurance company reports
The 22 Medicare Advantage plans we show for Baltimore city County, MD in 2027
- 10 list John
- 12 not listed

Alterwood Advantage
5 plans list John.
Alterwood Advantage Freedom (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 2401 W Belvedere Ave, Baltimore, MD, 21215
- 10084 Reisterstown Rd, Ste 300A, Owings Mills, MD, 21117
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:
- 2401 W Belvedere Ave, Baltimore, MD, 21215
- 10084 Reisterstown Rd, Ste 300A, Owings Mills, MD, 21117
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:
- 2401 W Belvedere Ave, Baltimore, MD, 21215
- 10084 Reisterstown Rd, Ste 300A, Owings Mills, MD, 21117
This result applies to these offices. Other locations are not confirmed.
$45a monthAlterwood Advantage Dual Secure (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 2401 W Belvedere Ave, Baltimore, MD, 21215
- 10084 Reisterstown Rd, Ste 300A, Owings Mills, MD, 21117
This result applies to these offices. Other locations are not confirmed.
$0a month

CareFirst BlueCross BlueShield Advantage DualPrime · CareFirst BlueCross BlueShield Medicare Advantage
4 plans list John.
CareFirst BlueCross BlueShield Advantage Salute (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 2401 W Belvedere Ave, Fl 2, Baltimore, MD, 21215
- 2401 W Belvedere Ave, Baltimore, MD, 21215
- 10084 Reisterstown Rd, Ste 300A, Owings Mills, MD, 21117
- 2850 North Ridge Rd, Ellicott City, MD, 21043
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:
- 2401 W Belvedere Ave, Fl 2, Baltimore, MD, 21215
- 2401 W Belvedere Ave, Baltimore, MD, 21215
- 10084 Reisterstown Rd, Ste 300A, Owings Mills, MD, 21117
- 2850 North Ridge Rd, Ellicott City, MD, 21043
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:
- 2401 W Belvedere Ave, Fl 2, Baltimore, MD, 21215
- 2401 W Belvedere Ave, Baltimore, MD, 21215
- 10084 Reisterstown Rd, Ste 300A, Owings Mills, MD, 21117
- 2850 North Ridge Rd, Ellicott City, MD, 21043
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:
- 2401 W Belvedere Ave, Fl 2, Baltimore, MD, 21215
- 2401 W Belvedere Ave, Baltimore, MD, 21215
- 10084 Reisterstown Rd, Ste 300A, Owings Mills, MD, 21117
- 2850 North Ridge Rd, Ellicott City, MD, 21043
This result applies to these offices. Other locations are not confirmed.
$5.70a month

KeyCare Advantage
1 plan lists John.
KeyCare Advantage Plus (HMO C-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 2401 W Belvedere Ave, Baltimore, MD, 21215
- 10084 Reisterstown Rd, Ste 300A, Owings Mills, MD, 21117
This result applies to these offices. Other locations are not confirmed.
$0a month

HealthSpring
Not listed on its 4 plans here. That isn't proof they're out of network.

Johns Hopkins Advantage MD
Not listed on its 1 plan here. That isn't proof they're out of network.

Kaiser Permanente
Not listed on its 5 plans here. That isn't proof they're out of network.

UnitedHealthcare
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 John 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
2401 W Belvedere Avenue, Rubin Institute for Advanced Orthopedics
Baltimore, MD 21215
- NPI issued
- 2006
- Registry record updated
- Nov 29, 2007
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list John Herzenberg?
In Baltimore city County, MD, 10 Medicare Advantage plans for 2027 list John 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.
Does John Herzenberg take Alterwood Advantage Medicare Advantage plans?
Medicare.gov provider data lists John on 5 Medicare Advantage plans for 2027 in Baltimore city County, MD, including Alterwood Advantage Freedom (HMO) and Alterwood Advantage Select (HMO). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or Alterwood Advantage before you enroll.
Does John Herzenberg take CareFirst BlueCross BlueShield Advantage DualPrime Medicare Advantage plans?
Medicare.gov provider data lists John on 4 Medicare Advantage plans for 2027 in Baltimore city County, MD, including CareFirst BlueCross BlueShield Advantage Salute (PPO) and CareFirst BlueCross BlueShield Advantage Complete (PPO). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or CareFirst BlueCross BlueShield Advantage DualPrime before you enroll.
Does John Herzenberg take KeyCare Advantage Medicare Advantage plans?
Medicare.gov provider data lists John on one Medicare Advantage plan for 2027 in Baltimore city County, MD: KeyCare Advantage Plus (HMO C-SNP). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or KeyCare Advantage before you enroll.
Where does John Herzenberg practice?
2401 W Belvedere Avenue, Rubin Institute for Advanced Orthopedics, Baltimore, MD 21215.
How do I confirm John is in my plan's network?
Call the member services number on your plan card and give them the NPI 1922041557, 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 John Herzenberg on 12 plans from HealthSpring, Johns Hopkins Advantage MD, Kaiser Permanente and UnitedHealthcare in Baltimore city County, MD. 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.