KAREN M SHERRITT M.D.
NPI 1437191079
Internal Medicine in Chestnut Hill, MA
About Karen M Sherritt M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN M SHERRITT M.D. (NPI 1437191079) is an individual internal medicine provider in Chestnut Hill, Massachusetts, licensed in Massachusetts (151591) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Perelman School Of Med At The University Of Pennsylvania (1994).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 7
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
Karen M Sherritt M.d. 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 Reassignment
Medicare enrollment records show Karen Sherritt reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 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 2
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.
Massachusetts General Hospital
Acute Care Hospitals · Boston, MABrigham And Women's Hospital
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02467 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.
CHESTNUT HILL, MA 02467
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 Karen Sherritt's NPI number?
The NPI number for Karen Sherritt is 1437191079. It was assigned to this individual provider in the NPPES registry on June 11, 2006.
Where is Karen Sherritt located?
Karen Sherritt practices at 291 Independence Dr, Chestnut Hill, MA 02467. The listed phone number is (617) 541-6515.
What is Karen Sherritt's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Karen Sherritt enrolled in Medicare?
Yes. Karen Sherritt 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 organization bills Medicare for Karen Sherritt's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Sherritt reassigns Medicare benefits to Brigham & Womens Physicians Organization Inc (Boston, MA). The 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 Karen Sherritt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Sherritt accept?
Health plans from Taro Health list Karen Sherritt 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 Karen Sherritt affiliated with any hospitals?
According to CMS data, Karen Sherritt is affiliated with Massachusetts General Hospital and Brigham And Women's Hospital.
When was this NPI record last updated?
The NPPES record for Karen Sherritt was last updated on June 27, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Karen M Sherritt, M.D. · NPI 1437191079
Internal Medicine physician in Chestnut Hill, Massachusetts. Individual provider, active in the CMS NPPES registry since June 11, 2006.
## Identity
- **NPI:** 1437191079 (Entity type: Individual)
- **Enumerated:** June 11, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 151591 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 291 INDEPENDENCE DR, Chestnut Hill, MA 02467-3628
- **Phone:** (617) 541-6515 · **Fax:** (617) 541-6444
## 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:** Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Perelman School Of Med At The University Of Pennsylvania, class of 1994
## Record status
- **NPPES last updated:** June 27, 2011
- **Other identifiers:** Other 151591 (MA); Medicare UPIN G50633 (MA); Medicare PIN A22753 (MA); and 4 more
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Source: [NPI Profile](https://npiprofile.com/npi/1437191079) · Data from the CMS NPPES public registry.