Michael O'SullivanMD
Orthopaedic Surgery
2027 Medicare Advantage
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Medicare Advantage plans for Hampden County, MA.
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Directory results See what each insurance company reports
The 53 Medicare Advantage plans we show for Hampden County, MA in 2027
- 50 list Michael
- 3 not listed

Tufts Health Plan
10 plans list Michael.
Tufts Medicare Preferred HMO Smart Saver Rx (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 300 Birnie Ave, Ste 201, Springfield, MA, 01107
- 265 Benton Dr, Ste 101, East Longmeadow, MA, 01028
- 325B King St, Northampton, MA, 01060
This result applies to these offices. Other locations are not confirmed.
$0a monthTufts Medicare Preferred HMO Basic Rx (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 300 Birnie Ave, Ste 201, Springfield, MA, 01107
- 265 Benton Dr, Ste 101, East Longmeadow, MA, 01028
- 325B King St, Northampton, MA, 01060
This result applies to these offices. Other locations are not confirmed.
$65a monthTufts Medicare Preferred HMO Value Rx (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 300 Birnie Ave, Ste 201, Springfield, MA, 01107
- 265 Benton Dr, Ste 101, East Longmeadow, MA, 01028
- 325B King St, Northampton, MA, 01060
This result applies to these offices. Other locations are not confirmed.
$108a monthTufts Medicare Preferred HMO Prime Rx (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 300 Birnie Ave, Ste 201, Springfield, MA, 01107
- 265 Benton Dr, Ste 101, East Longmeadow, MA, 01028
- 325B King St, Northampton, MA, 01060
This result applies to these offices. Other locations are not confirmed.
$138a month

UnitedHealthcare
9 plans list Michael.
AARP Medicare Advantage from UHC MA-0003 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 301 Birnie Ave, Ste 201, Springfield, MA, 01107
This result applies to these offices. Other locations are not confirmed.
$0a monthAARP Medicare Advantage Patriot No Rx MA-MA01 (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 301 Birnie Ave, Ste 201, Springfield, MA, 01107
This result applies to these offices. Other locations are not confirmed.
$0a monthAARP Medicare Advantage Patriot No Rx MA-MA2 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 301 Birnie Ave, Ste 201, Springfield, MA, 01107
This result applies to these offices. Other locations are not confirmed.
$0a monthAARP Medicare Advantage from UHC MA-0006 (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 301 Birnie Ave, Ste 201, Springfield, MA, 01107
This result applies to these offices. Other locations are not confirmed.
$67a month

Blue Cross Blue Shield of Massachusetts
7 plans list Michael.
Medicare HMO Blue SaverRx (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 300 Birnie Ave, Ste 201, Springfield, MA, 01107
- 265 Benton Dr, Ste 101, East Longmeadow, MA, 01028
- 325B King St, Northampton, MA, 01060
This result applies to these offices. Other locations are not confirmed.
$0a monthMedicare HMO Blue ValueRx (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 300 Birnie Ave, Ste 201, Springfield, MA, 01107
- 265 Benton Dr, Ste 101, East Longmeadow, MA, 01028
- 325B King St, Northampton, MA, 01060
This result applies to these offices. Other locations are not confirmed.
$68a monthMedicare PPO Blue EssentialRx (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 300 Birnie Ave, Ste 201, Springfield, MA, 01107
- 265 Benton Dr, Ste 101, East Longmeadow, MA, 01028
- 325B King St, Northampton, MA, 01060
This result applies to these offices. Other locations are not confirmed.
$69a monthMedicare PPO Blue ValueRx (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 300 Birnie Ave, Ste 201, Springfield, MA, 01107
- 265 Benton Dr, Ste 101, East Longmeadow, MA, 01028
- 325B King St, Northampton, MA, 01060
This result applies to these offices. Other locations are not confirmed.
$108a month

Health New England Medicare Advantage Plans
7 plans list Michael.
Health New England Medicare Basic No Rx (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 300 Birnie Ave, Ste 201, Springfield, MA, 01107
- 265 Benton Dr, Ste 101, East Longmeadow, MA, 01028
- 325B King St, Northampton, MA, 01060
This result applies to these offices. Other locations are not confirmed.
$0a monthHealth New England Medicare Premium No Rx (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 300 Birnie Ave, Ste 201, Springfield, MA, 01107
- 265 Benton Dr, Ste 101, East Longmeadow, MA, 01028
- 325B King St, Northampton, MA, 01060
This result applies to these offices. Other locations are not confirmed.
$0a monthHealth New England Medicare Value (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 300 Birnie Ave, Ste 201, Springfield, MA, 01107
- 265 Benton Dr, Ste 101, East Longmeadow, MA, 01028
- 325B King St, Northampton, MA, 01060
This result applies to these offices. Other locations are not confirmed.
$15a monthHealth New England Medicare Compass (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 300 Birnie Ave, Ste 201, Springfield, MA, 01107
- 265 Benton Dr, Ste 101, East Longmeadow, MA, 01028
- 325B King St, Northampton, MA, 01060
This result applies to these offices. Other locations are not confirmed.
$64a month

Fallon Health
6 plans list Michael.
Fallon Medicare Plus Orange (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 300 Birnie Ave, Ste 201, Springfield, MA, 01107
- 265 Benton Dr, Ste 101, East Longmeadow, MA, 01028
- 325B King St, Northampton, MA, 01060
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:
- 300 Birnie Ave, Ste 201, Springfield, MA, 01107
- 265 Benton Dr, Ste 101, East Longmeadow, MA, 01028
- 325B King St, Northampton, MA, 01060
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:
- 300 Birnie Ave, Ste 201, Springfield, MA, 01107
- 265 Benton Dr, Ste 101, East Longmeadow, MA, 01028
- 325B King St, Northampton, MA, 01060
This result applies to these offices. Other locations are not confirmed.
$72a monthFallon Medicare Plus Blue (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 300 Birnie Ave, Ste 201, Springfield, MA, 01107
- 265 Benton Dr, Ste 101, East Longmeadow, MA, 01028
- 325B King St, Northampton, MA, 01060
This result applies to these offices. Other locations are not confirmed.
$117a month

Aetna Medicare
5 plans list Michael.
Aetna Medicare Eagle Giveback (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 265 Benton Dr, Ste 101, East Longmeadow, MA, 01028
- 325B King St, Northampton, MA, 01060
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:
- 265 Benton Dr, Ste 101, East Longmeadow, MA, 01028
- 325B King St, Northampton, MA, 01060
This result applies to these offices. Other locations are not confirmed.
$0a monthAetna Medicare Signature (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 265 Benton Dr, Ste 101, East Longmeadow, MA, 01028
- 325B King St, Northampton, MA, 01060
This result applies to these offices. Other locations are not confirmed.
$0a monthAetna Medicare Signature Extra (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 265 Benton Dr, Ste 101, East Longmeadow, MA, 01028
- 325B King St, Northampton, MA, 01060
This result applies to these offices. Other locations are not confirmed.
$0a month

Humana
4 plans list Michael.
Humana USAA Honor Giveback (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 325B King St, Northampton, MA, 01060
- 300 Birnie Ave, Ste 201, Springfield, MA, 01107
- 265 Benton Dr, Ste 101, East Longmeadow, MA, 01028
- 265 Benton Dr, Ste 104, East Longmeadow, MA, 01028
This result applies to these offices. Other locations are not confirmed.
$0a monthHumanaChoice Giveback H5216-138 (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 325B King St, Northampton, MA, 01060
- 300 Birnie Ave, Ste 201, Springfield, MA, 01107
- 265 Benton Dr, Ste 101, East Longmeadow, MA, 01028
- 265 Benton Dr, Ste 104, East Longmeadow, MA, 01028
This result applies to these offices. Other locations are not confirmed.
$0a monthHumanaChoice Giveback H5216-477 (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 325B King St, Northampton, MA, 01060
- 300 Birnie Ave, Ste 201, Springfield, MA, 01107
- 265 Benton Dr, Ste 101, East Longmeadow, MA, 01028
- 265 Benton Dr, Ste 104, East Longmeadow, MA, 01028
This result applies to these offices. Other locations are not confirmed.
$0a monthHumanaChoice H5216-249 (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 325B King St, Northampton, MA, 01060
- 300 Birnie Ave, Ste 201, Springfield, MA, 01107
- 265 Benton Dr, Ste 101, East Longmeadow, MA, 01028
- 265 Benton Dr, Ste 104, East Longmeadow, MA, 01028
This result applies to these offices. Other locations are not confirmed.
$0a month

Commonwealth Care Alliance Massachusetts
1 plan lists Michael.
CCA Senior Care Options (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 300 Birnie Ave, Ste 201, Springfield, MA, 01107
- 50 Wason Ave, Fl 2, Springfield, MA, 01107
- 265 Benton Dr, East Longmeadow, MA, 01028
- 265 Benton Dr, Ste 101, East Longmeadow, MA, 01028
- 325B King St, Northampton, MA, 01060
This result applies to these offices. Other locations are not confirmed.
$33.80a month

Commonwealth Care Alliance, Inc.
1 plan lists Michael.
CCA One Care (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 300 Birnie Ave, Ste 201, Springfield, MA, 01107
- 50 Wason Ave, Fl 2, Springfield, MA, 01107
- 265 Benton Dr, East Longmeadow, MA, 01028
- 265 Benton Dr, Ste 101, East Longmeadow, MA, 01028
- 325B King St, Northampton, MA, 01060
This result applies to these offices. Other locations are not confirmed.
$33.80a month

Molina Healthcare of Massachusetts
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 Michael 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 23, 2026
Where they practice
Practice location
- NPI issued
- 2013
- Registry record updated
- Mar 12, 2024
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Michael O'Sullivan?
In Hampden County, MA, 50 Medicare Advantage plans for 2027 list Michael in provider data from Medicare.gov or the carrier, including Tufts Medicare Preferred HMO Smart Saver Rx (HMO), Tufts Medicare Preferred HMO Basic Rx (HMO) and Tufts Medicare Preferred HMO Value Rx (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 Michael O'Sullivan take Tufts Health Plan Medicare Advantage plans?
Medicare.gov provider data lists Michael on 10 Medicare Advantage plans for 2027 in Hampden County, MA, including Tufts Medicare Preferred HMO Smart Saver Rx (HMO) and Tufts Medicare Preferred HMO Basic Rx (HMO). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or Tufts Health Plan before you enroll.
Does Michael O'Sullivan take UnitedHealthcare Medicare Advantage plans?
Medicare.gov provider data lists Michael on 9 Medicare Advantage plans for 2027 in Hampden County, MA, including AARP Medicare Advantage from UHC MA-0003 (HMO-POS) and AARP Medicare Advantage Patriot No Rx MA-MA01 (PPO). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or UnitedHealthcare before you enroll.
Does Michael O'Sullivan take Blue Cross Blue Shield of Massachusetts Medicare Advantage plans?
Medicare.gov provider data lists Michael on 7 Medicare Advantage plans for 2027 in Hampden County, MA, including Medicare HMO Blue SaverRx (HMO-POS) and Medicare HMO Blue ValueRx (HMO). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or Blue Cross Blue Shield of Massachusetts before you enroll.
Where does Michael O'Sullivan practice?
300 Birnie Ave Ste 201, Springfield, MA 01107.
How do I confirm Michael is in my plan's network?
Call the member services number on your plan card and give them the NPI 1376981266, 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 Michael O'Sullivan on 3 plans from Molina Healthcare of Massachusetts in Hampden County, MA. 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.