Marianne MonahanMD
Internal Medicine, Nephrology
2027 Medicare Advantage
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Medicare Advantage plans for Westchester County, NY.
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 31 Medicare Advantage plans for 2027
Carrier directories and Medicare.gov provider data list Marianne on these plans. Review each plan's covered offices before enrolling. One directory didn't answer this time; we'll try it again.
The 59 Medicare Advantage plans we show for Westchester County, NY in 2027
- 31 list Marianne
- 26 not listed
- 2 not checked yet
Healthfirst Medicare Plan
7 plans list Marianne.
Healthfirst 65 Plus Plan (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3030 Westchester Ave, Purchase, NY, 10577
- 1 Theall Rd, Rye, NY, 10580
- 644 W Putnam Ave, Greenwich, CT, 06830
This result applies to these offices. Other locations are not confirmed.
$0a monthHealthfirst Increased Benefits Plan (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3030 Westchester Ave, Purchase, NY, 10577
- 1 Theall Rd, Rye, NY, 10580
- 644 W Putnam Ave, Greenwich, CT, 06830
This result applies to these offices. Other locations are not confirmed.
$17.10a monthHealthfirst Signature (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3030 Westchester Ave, Purchase, NY, 10577
- 1 Theall Rd, Rye, NY, 10580
- 644 W Putnam Ave, Greenwich, CT, 06830
This result applies to these offices. Other locations are not confirmed.
$92a monthHealthfirst Signature (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3030 Westchester Ave, Purchase, NY, 10577
- 1 Theall Rd, Rye, NY, 10580
- 644 W Putnam Ave, Greenwich, CT, 06830
This result applies to these offices. Other locations are not confirmed.
$155a month
Wellcare
6 plans list Marianne; not listed on 1 other plan.
Wellcare Fidelis Assist (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3030 Westchester Ave, Purchase, NY, 10577
- 1 Theall Rd, Rye, NY, 10580
This result applies to these offices. Other locations are not confirmed.
$0a monthWellcare Fidelis Patriot Simple (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3030 Westchester Ave, Purchase, NY, 10577
- 1 Theall Rd, Rye, NY, 10580
This result applies to these offices. Other locations are not confirmed.
$0a monthWellcare Fidelis Simple (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3030 Westchester Ave, Purchase, NY, 10577
- 1 Theall Rd, Rye, NY, 10580
This result applies to these offices. Other locations are not confirmed.
$0a monthWellcare Fidelis Dual Access (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3030 Westchester Ave, Purchase, NY, 10577
- 1 Theall Rd, Rye, NY, 10580
This result applies to these offices. Other locations are not confirmed.
$0a month
Aetna Medicare
5 plans list Marianne; not listed on 3 other plans.
Aetna Medicare Eagle Giveback (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3030 Westchester Ave, Purchase, NY, 10577
- 1 Theall Rd, Rye, NY, 10580
This result applies to these offices. Other locations are not confirmed.
$0a monthAetna Medicare Elite (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3030 Westchester Ave, Purchase, NY, 10577
- 1 Theall Rd, Rye, NY, 10580
This result applies to these offices. Other locations are not confirmed.
$0a monthAetna Medicare Elite Extra (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3030 Westchester Ave, Purchase, NY, 10577
- 1 Theall Rd, Rye, NY, 10580
This result applies to these offices. Other locations are not confirmed.
$59a monthAetna Medicare Enhanced (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3030 Westchester Ave, Purchase, NY, 10577
- 1 Theall Rd, Rye, NY, 10580
This result applies to these offices. Other locations are not confirmed.
$69a month
Anthem Blue Cross and Blue Shield HP
5 plans list Marianne.
Anthem Veteran 2 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3030 Westchester Ave, Purchase, NY, 10577
- 1 Theall Rd, Rye, NY, 10580
- 644 W Putnam Ave, Greenwich, CT, 06830
- 5 Perryridge Rd, Greenwich, CT, 06830
This result applies to these offices. Other locations are not confirmed.
$0a monthAnthem Medicare Advantage 2 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3030 Westchester Ave, Purchase, NY, 10577
- 1 Theall Rd, Rye, NY, 10580
- 644 W Putnam Ave, Greenwich, CT, 06830
- 5 Perryridge Rd, Greenwich, CT, 06830
This result applies to these offices. Other locations are not confirmed.
$29a monthAnthem Medicare Advantage (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3030 Westchester Ave, Purchase, NY, 10577
- 1 Theall Rd, Rye, NY, 10580
- 644 W Putnam Ave, Greenwich, CT, 06830
- 5 Perryridge Rd, Greenwich, CT, 06830
This result applies to these offices. Other locations are not confirmed.
$59a monthAnthem HealthPlus Full Dual Advantage (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3030 Westchester Ave, Purchase, NY, 10577
- 1 Theall Rd, Rye, NY, 10580
- 644 W Putnam Ave, Greenwich, CT, 06830
- 5 Perryridge Rd, Greenwich, CT, 06830
This result applies to these offices. Other locations are not confirmed.
$40.50a month
UnitedHealthcare
4 plans list Marianne; not listed on 4 other plans.
AARP Medicare Advantage Patriot No Rx NY-MA3 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3030 Westchester Ave, Purchase, NY, 10577
- 1 Theall Rd, Rye, NY, 10580
- 644 W Putnam Ave, Greenwich, CT, 06830
This result applies to these offices. Other locations are not confirmed.
$0a monthAARP Medicare Advantage from UHC NY-34 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3030 Westchester Ave, Purchase, NY, 10577
- 1 Theall Rd, Rye, NY, 10580
- 644 W Putnam Ave, Greenwich, CT, 06830
This result applies to these offices. Other locations are not confirmed.
$39a monthAARP Medicare Advantage from UHC NY-0013 (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3030 Westchester Ave, Purchase, NY, 10577
- 1 Theall Rd, Rye, NY, 10580
- 644 W Putnam Ave, Greenwich, CT, 06830
This result applies to these offices. Other locations are not confirmed.
$49a monthUHC Complete Care NY-35 (HMO-POS C-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3030 Westchester Ave, Purchase, NY, 10577
- 1 Theall Rd, Rye, NY, 10580
- 644 W Putnam Ave, Greenwich, CT, 06830
This result applies to these offices. Other locations are not confirmed.
$29a month
EmblemHealth
2 plans list Marianne.
EmblemHealth VIP Gold (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3030 Westchester Ave, Purchase, NY, 10577
- 1 Theall Rd, Rye, NY, 10580
- 644 W Putnam Ave, Greenwich, CT, 06830
This result applies to these offices. Other locations are not confirmed.
$166a monthEmblemHealth VIP Gold Plus (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3030 Westchester Ave, Purchase, NY, 10577
- 1 Theall Rd, Rye, NY, 10580
- 644 W Putnam Ave, Greenwich, CT, 06830
This result applies to these offices. Other locations are not confirmed.
$216a month
2 more EmblemHealth plans haven't been checked yet.
Humana
2 plans list Marianne.
Humana USAA Honor Giveback (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 3030 Westchester Ave, Purchase, NY, 10577
This result applies to these offices. Other locations are not confirmed.
$0a monthHumanaChoice H5970-029 (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 3030 Westchester Ave, Purchase, NY, 10577
This result applies to these offices. Other locations are not confirmed.
$65a month
Elderplan
Not listed on its 2 plans here. That isn't proof they're out of network.
ElderServe Health
Not listed on its 1 plan here. That isn't proof they're out of network.
Hamaspik, Inc.
Not listed on its 2 plans here. That isn't proof they're out of network.
MVP HEALTH CARE
Not listed on its 5 plans here. That isn't proof they're out of network.
Senior Whole Health of New York
Not listed on its 2 plans here. That isn't proof they're out of network.
VillageCareMAX
Not listed on its 3 plans here. That isn't proof they're out of network.
VNS Health Medicare
Not listed on its 3 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 Marianne 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
- 2006
- Registry record updated
- Oct 16, 2013
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Marianne Monahan?
In Westchester County, NY, 31 Medicare Advantage plans for 2027 list Marianne in provider data from Medicare.gov or the carrier, including Healthfirst 65 Plus Plan (HMO), Healthfirst Increased Benefits Plan (HMO) and Healthfirst Signature (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 Marianne Monahan take Healthfirst Medicare Plan Medicare Advantage plans?
Medicare.gov provider data lists Marianne on 7 Medicare Advantage plans for 2027 in Westchester County, NY, including Healthfirst 65 Plus Plan (HMO) and Healthfirst Increased Benefits Plan (HMO). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or Healthfirst Medicare Plan before you enroll.
Does Marianne Monahan take Wellcare Medicare Advantage plans?
Medicare.gov provider data lists Marianne on 6 Medicare Advantage plans for 2027 in Westchester County, NY, including Wellcare Fidelis Assist (HMO-POS) and Wellcare Fidelis Patriot Simple (HMO-POS). 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 Wellcare before you enroll.
Does Marianne Monahan take Aetna Medicare Medicare Advantage plans?
Medicare.gov provider data lists Marianne on 5 Medicare Advantage plans for 2027 in Westchester County, NY, including Aetna Medicare Eagle Giveback (PPO) and Aetna Medicare Elite (PPO). 3 other plans 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.
Where does Marianne Monahan practice?
222 Westchester Ave, White Plains, NY 10604.
How do I confirm Marianne is in my plan's network?
Call the member services number on your plan card and give them the NPI 1376577858, 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 Marianne Monahan on 18 plans from Elderplan, ElderServe Health, Hamaspik, Inc., MVP HEALTH CARE, Senior Whole Health of New York, VillageCareMAX and VNS Health Medicare in Westchester County, NY. 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.