Katharine BerthiaumeCNP
Nurse Practitioner, Primary Care
2027 Medicare Advantage
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Medicare Advantage plans for Norfolk County, MA.
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Directory results See what each insurance company reports
Listed on 16 plans so far
Some of Aetna Medicare, Mass General Brigham Health Plan, UnitedHealthcare, Commonwealth Care Alliance Massachusetts, Commonwealth Care Alliance, Inc., Blue Cross Blue Shield of Massachusetts, eternalHealth, Fallon Health, Molina Healthcare of Massachusetts and Tufts Health Plan's 2027 plans in Norfolk County, MA haven't been checked yet.
The 51 Medicare Advantage plans we show for Norfolk County, MA in 2027
- 16 list Katharine
- 32 not listed
- 3 not checked yet
Aetna Medicare
5 plans list Katharine.
Aetna Medicare Eagle Giveback (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 100 Brigham Way, Westwood, MA, 02090
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:
- 100 Brigham Way, Westwood, MA, 02090
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:
- 100 Brigham Way, Westwood, MA, 02090
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:
- 100 Brigham Way, Westwood, MA, 02090
This result applies to these offices. Other locations are not confirmed.
$0a month
Mass General Brigham Health Plan
5 plans list Katharine.
Mass General Brigham Advantage Core (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 100 Brigham Way, Westwood, MA, 02090
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:
- 100 Brigham Way, Westwood, MA, 02090
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:
- 100 Brigham Way, Westwood, MA, 02090
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:
- 100 Brigham Way, Westwood, MA, 02090
This result applies to these offices. Other locations are not confirmed.
$0a month
UnitedHealthcare
4 plans list Katharine; not listed on 4 other plans.
UHC One Care MA-YL (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 100 Brigham Way, Westwood, MA, 02090
This result applies to these offices. Other locations are not confirmed.
$0a monthUHC Senior Care Options MA-Y001 (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 100 Brigham Way, Westwood, MA, 02090
This result applies to these offices. Other locations are not confirmed.
$0a monthUHC Senior Care Options MA-YL (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 100 Brigham Way, Westwood, MA, 02090
This result applies to these offices. Other locations are not confirmed.
$17.20a monthUHC One Care MA-Y3 (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 100 Brigham Way, Westwood, MA, 02090
This result applies to these offices. Other locations are not confirmed.
$20.20a month
Commonwealth Care Alliance Massachusetts
1 plan lists Katharine.
CCA Senior Care Options (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 100 Brigham Way, Westwood, MA, 02090
- 399 Revolution Dr, Ste 458, Somerville, MA, 02145
This result applies to these offices. Other locations are not confirmed.
$33.80a month
Commonwealth Care Alliance, Inc.
1 plan lists Katharine.
CCA One Care (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 100 Brigham Way, Westwood, MA, 02090
- 399 Revolution Dr, Ste 458, Somerville, MA, 02145
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.
Fallon Health
Not listed on its 6 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.
Tufts Health Plan
Not listed on its 12 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 Katharine 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
- 2022
- Registry record updated
- Aug 2, 2022
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Katharine Berthiaume?
In Norfolk County, MA, 16 Medicare Advantage plans for 2027 list Katharine in provider data from Medicare.gov or the carrier, including Aetna Medicare Eagle Giveback (PPO), Aetna Medicare Elite (PPO) and Aetna Medicare Signature (HMO-POS). 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 Katharine Berthiaume practice?
100 Brigham Way, Westwood, MA 02090.
How do I confirm Katharine is in my plan's network?
Call the member services number on your plan card and give them the NPI 1518694355, 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 Norfolk 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.