Margaret AllisonMD, PHD
Internal Medicine, Critical Care Medicine
2027 Medicare Advantage
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Medicare Advantage plans for Suffolk County, MA.
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Directory results See what each insurance company reports
Listed on 16 plans so far
Some of Fallon Health, Mass General Brigham Health Plan, Tufts Health Plan, Aetna Medicare, Commonwealth Care Alliance Massachusetts, Commonwealth Care Alliance, Inc., Blue Cross Blue Shield of Massachusetts, eternalHealth, Humana, Molina Healthcare of Massachusetts and UnitedHealthcare's 2027 plans in Suffolk County, MA haven't been checked yet.
The 50 Medicare Advantage plans we show for Suffolk County, MA in 2027
- 16 list Margaret
- 31 not listed
- 3 not checked yet
Fallon Health
6 plans list Margaret.
Fallon Medicare Plus Orange (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 55 Fruit St, Boston, MA, 02114
- 330 Brookline Ave, # 7, Boston, MA, 02215
This result applies to these offices. Other locations are not confirmed.
$0a monthFallon Medicare Plus Saver No Rx (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 55 Fruit St, Boston, MA, 02114
- 330 Brookline Ave, # 7, Boston, MA, 02215
This result applies to these offices. Other locations are not confirmed.
$0a monthFallon Medicare Plus Green (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 55 Fruit St, Boston, MA, 02114
- 330 Brookline Ave, # 7, Boston, MA, 02215
This result applies to these offices. Other locations are not confirmed.
$83a monthFallon Medicare Plus Blue (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 55 Fruit St, Boston, MA, 02114
- 330 Brookline Ave, # 7, Boston, MA, 02215
This result applies to these offices. Other locations are not confirmed.
$185a month
Mass General Brigham Health Plan
5 plans list Margaret.
Mass General Brigham Advantage Core (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 55 Fruit St, Boston, MA, 02114
This result applies to these offices. Other locations are not confirmed.
$0a monthMass General Brigham Advantage Secure (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 55 Fruit St, Boston, MA, 02114
This result applies to these offices. Other locations are not confirmed.
$60a monthMass General Brigham Advantage Plus (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 55 Fruit St, Boston, MA, 02114
This result applies to these offices. Other locations are not confirmed.
$180a monthMass General Brigham SCO (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 55 Fruit St, Boston, MA, 02114
This result applies to these offices. Other locations are not confirmed.
$0a month
Tufts Health Plan
2 plans list Margaret; not listed on 11 other plans.
Tufts Health One Care (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 330 Brookline Ave, Boston, MA, 02215
This result applies to these offices. Other locations are not confirmed.
$18.50a monthTufts Health One Care CW (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 330 Brookline Ave, Boston, MA, 02215
This result applies to these offices. Other locations are not confirmed.
$25.30a month
Aetna Medicare
1 plan lists Margaret.
Aetna Medicare Signature (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 55 Fruit St, Boston, MA, 02114
This result applies to these offices. Other locations are not confirmed.
$0a month
Commonwealth Care Alliance Massachusetts
1 plan lists Margaret.
CCA Senior Care Options (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 55 Fruit St, Boston, MA, 02114
- 330 Brookline Ave, Boston, MA, 02215
This result applies to these offices. Other locations are not confirmed.
$33.80a month
Commonwealth Care Alliance, Inc.
1 plan lists Margaret.
CCA One Care (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 55 Fruit St, Boston, MA, 02114
- 330 Brookline Ave, Boston, MA, 02215
This result applies to these offices. Other locations are not confirmed.
$33.80a month
Blue Cross Blue Shield of Massachusetts
Not listed on its 7 plans here. That isn't proof they're out of network.
eternalHealth
Not checked yet.
Humana
Not listed on its 2 plans here. That isn't proof they're out of network.
Molina Healthcare of Massachusetts
Not listed on its 3 plans here. That isn't proof they're out of network.
UnitedHealthcare
Not listed on its 8 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 Margaret 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
- 2017
- Registry record updated
- Apr 10, 2023
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Margaret Allison?
In Suffolk County, MA, 16 Medicare Advantage plans for 2027 list Margaret in provider data from Medicare.gov or the carrier, including Fallon Medicare Plus Orange (HMO), Fallon Medicare Plus Saver No Rx (HMO) and Fallon Medicare Plus Green (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 Margaret Allison practice?
Massachusetts General Hospital, 55 Fruit St., Boston, MA 02114.
How do I confirm Margaret is in my plan's network?
Call the member services number on your plan card and give them the NPI 1114447398, 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 Suffolk County, MA. 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.