KRISTEN MCCARTHY D.O.
NPI 1457588162
Family Medicine in Westford, MA
About Kristen Mccarthy D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KRISTEN MCCARTHY D.O. (NPI 1457588162) is an individual family medicine provider in Westford, Massachusetts, licensed in Massachusetts (241703) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS, is affiliated with Emerson Hospital -, and is a graduate of Lake Erie College Of Osteopathic Medicine, Erie (2009).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Kristen Mccarthy D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Kristen Mccarthy reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Westford, MA 01886
- Reassigned Medicare billing, Massachusetts enrollment
- 16 clinicians in this Medicare group
Newton, MA 02462
- Reassigned Medicare billing, Massachusetts enrollment
- 992 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 8
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Emerson Hospital -
Acute Care Hospitals · W Concord, MALahey Hospital & Medical Center, Burlington
Acute Care Hospitals · Burlington, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01886 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WESTFORD, MA 01886
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Kristen Mccarthy's NPI number?
The NPI number for Kristen Mccarthy is 1457588162. It was assigned to this individual provider in the NPPES registry on June 20, 2009. The provider is also known as Kristen Kavulich D.O..
Where is Kristen Mccarthy located?
Kristen Mccarthy practices at 133 Littleton Rd Suite 202, Westford, MA 01886. The listed phone number is (978) 577-1946.
What is Kristen Mccarthy's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Kristen Mccarthy enrolled in Medicare?
Yes. Kristen Mccarthy is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Kristen Mccarthy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kristen Mccarthy reassigns Medicare benefits to 2 organizations: Mass General Brigham Community Physicians Inc. (Westford, MA) and Mass General Brigham Medical Group Suburban Massachusetts Inc (Newton, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kristen Mccarthy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kristen Mccarthy accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Kristen Mccarthy as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Kristen Mccarthy affiliated with any hospitals?
According to CMS data, Kristen Mccarthy is affiliated with Emerson Hospital - and Lahey Hospital & Medical Center, Burlington.
When was this NPI record last updated?
The NPPES record for Kristen Mccarthy was last updated on February 3, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Kristen Mccarthy, D.O. · NPI 1457588162
Family Medicine physician in Westford, Massachusetts. Individual provider, active in the CMS NPPES registry since June 20, 2009.
## Identity
- **NPI:** 1457588162 (Entity type: Individual)
- **Enumerated:** June 20, 2009
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 241703 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 133 LITTLETON RD, SUITE 202, Westford, MA 01886-3098
- **Phone:** (978) 577-1946 · **Fax:** (978) 692-4716
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Mass General Brigham Community Physicians Inc. (NPI 1497216279, Westford, MA); Mass General Brigham Medical Group Suburban Massachusetts Inc (NPI 1538191218, Newton, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Lake Erie College Of Osteopathic Medicine, Erie, class of 2009
## Record status
- **NPPES last updated:** February 3, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1457588162) · Data from the CMS NPPES public registry.