Jonathan O'BrienMD
Obstetrics & Gynecology, Maternal & Fetal Medicine
2027 Medicare Advantage
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Medicare Advantage plans for Essex County, NJ.
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 13 Medicare Advantage plans for 2027
Carrier directories and Medicare.gov provider data list Jonathan on these plans. Review each plan's covered offices before enrolling. One directory didn't answer this time; we'll try it again.
The 45 Medicare Advantage plans we show for Essex County, NJ in 2027
- 13 list Jonathan
- 31 not listed
- 1 not checked yet

Aetna Medicare
6 plans list Jonathan; not listed on 1 other plan.
Aetna Medicare Eagle Giveback (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 94 Old Short Hills Rd, Ste 402, Livingston, NJ, 07039
- 560 Springfield Ave, Ste 102, Westfield, NJ, 07090
- 1 Clara Maass Dr, Belleville, NJ, 07109
- 718 Teaneck Rd, Fl 3, Teaneck, NJ, 07666
This result applies to these offices. Other locations are not confirmed.
$0a monthAetna Medicare Eagle Giveback (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 94 Old Short Hills Rd, Ste 402, Livingston, NJ, 07039
- 560 Springfield Ave, Ste 102, Westfield, NJ, 07090
- 1 Clara Maass Dr, Belleville, NJ, 07109
- 718 Teaneck Rd, Fl 3, Teaneck, NJ, 07666
This result applies to these offices. Other locations are not confirmed.
$0a monthAetna Medicare Elite (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 94 Old Short Hills Rd, Ste 402, Livingston, NJ, 07039
- 560 Springfield Ave, Ste 102, Westfield, NJ, 07090
- 1 Clara Maass Dr, Belleville, NJ, 07109
- 718 Teaneck Rd, Fl 3, Teaneck, NJ, 07666
This result applies to these offices. Other locations are not confirmed.
$25a monthAetna Medicare Enhanced Extra (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 94 Old Short Hills Rd, Ste 402, Livingston, NJ, 07039
- 560 Springfield Ave, Ste 102, Westfield, NJ, 07090
- 1 Clara Maass Dr, Belleville, NJ, 07109
- 718 Teaneck Rd, Fl 3, Teaneck, NJ, 07666
This result applies to these offices. Other locations are not confirmed.
$99a month

Wellcare
3 plans list Jonathan.
Wellcare Assist (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 94 Old Short Hills Rd, Ste 402, Livingston, NJ, 07039
This result applies to these offices. Other locations are not confirmed.
$0a monthWellcare Low Premium (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 94 Old Short Hills Rd, Ste 402, Livingston, NJ, 07039
This result applies to these offices. Other locations are not confirmed.
$35a monthWellcare Fidelis Dual Align (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 94 Old Short Hills Rd, Ste 402, Livingston, NJ, 07039
This result applies to these offices. Other locations are not confirmed.
$28.40a month

Wellpoint
3 plans list Jonathan.
Wellpoint Extra Help (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 560 Springfield Ave, Westfield, NJ, 07090
- 718 Teaneck Rd, Teaneck, NJ, 07666
This result applies to these offices. Other locations are not confirmed.
$0a monthWellpoint Kidney Care (HMO-POS C-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 560 Springfield Ave, Westfield, NJ, 07090
- 718 Teaneck Rd, Teaneck, NJ, 07666
This result applies to these offices. Other locations are not confirmed.
$0a monthWellpoint Full Dual Advantage (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 560 Springfield Ave, Westfield, NJ, 07090
- 718 Teaneck Rd, Teaneck, NJ, 07666
This result applies to these offices. Other locations are not confirmed.
$30.70a month

Horizon Blue Cross Blue Shield of New Jersey
1 plan lists Jonathan.
Horizon NJ TotalCare (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 560 Springfield Ave, Ste 102, Westfield, NJ, 07090
- 8 Mountain Blvd, Ste A, Warren, NJ, 07059
- 718 Teaneck Rd, Fl 3, Teaneck, NJ, 07666
This result applies to these offices. Other locations are not confirmed.
$36.30a month
1 more Horizon Blue Cross Blue Shield of New Jersey plan hasn't been checked yet.

Clover Health
Not listed on its 6 plans here. That isn't proof they're out of network.

Devoted
Not listed on its 6 plans here. That isn't proof they're out of network.

Humana
Not listed on its 7 plans 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 Jonathan 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
- 2009
- Registry record updated
- Nov 12, 2015
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Jonathan O'Brien?
In Essex County, NJ, 13 Medicare Advantage plans for 2027 list Jonathan in provider data from Medicare.gov or the carrier, including Aetna Medicare Eagle Giveback (HMO), Aetna Medicare Eagle Giveback (PPO) and Aetna Medicare Elite (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 Jonathan O'Brien take Aetna Medicare Medicare Advantage plans?
Medicare.gov provider data lists Jonathan on 6 Medicare Advantage plans for 2027 in Essex County, NJ, including Aetna Medicare Eagle Giveback (HMO) and Aetna Medicare Eagle Giveback (PPO). 1 other plan did not return a listing in the search area. CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or Aetna Medicare before you enroll.
Does Jonathan O'Brien take Wellcare Medicare Advantage plans?
Medicare.gov provider data lists Jonathan on 3 Medicare Advantage plans for 2027 in Essex County, NJ, including Wellcare Assist (HMO-POS) and Wellcare Low Premium (HMO-POS). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or Wellcare before you enroll.
Does Jonathan O'Brien take Wellpoint Medicare Advantage plans?
Medicare.gov provider data lists Jonathan on 3 Medicare Advantage plans for 2027 in Essex County, NJ, including Wellpoint Extra Help (HMO) and Wellpoint Kidney Care (HMO-POS C-SNP). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or Wellpoint before you enroll.
Where does Jonathan O'Brien practice?
94 Old Short Hills Rd, Livingston, NJ 07039.
How do I confirm Jonathan is in my plan's network?
Call the member services number on your plan card and give them the NPI 1922233824, 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 Jonathan O'Brien on 30 plans from Clover Health, Devoted, Humana and UnitedHealthcare in Essex County, NJ. 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.