DR. KAREN FIONA WATTERS MD, MPH
NPI 1609001114
Otolaryngology - Pediatric Otolaryngology in Boston, MA
About Dr. Karen Fiona Watters Md, Mph NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KAREN FIONA WATTERS MD, MPH (NPI 1609001114) is an individual pediatric otolaryngology provider in Boston, Massachusetts, licensed in Massachusetts (249354) and active in the NPI registry since May 2009. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Karen Fiona Watters Md, Mph is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Karen Watters 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
- 79 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.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02215
BOSTON, MA 02215
BOSTON, MA 02215
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 Watters's NPI number?
The NPI number for Karen Watters is 1609001114. It was assigned to this individual provider in the NPPES registry on May 28, 2009.
Where is Karen Watters located?
Karen Watters practices at 300 Longwood Avenue Department Of Otolaryngology, Childrens Hospital Boston, Boston, MA 02215. The listed phone number is (617) 355-7793.
What is Karen Watters's specialty?
The primary specialty registered for this NPI is Otolaryngology, specializing in Pediatric Otolaryngology, with taxonomy code 207YP0228X.
Is Karen Watters enrolled in Medicare?
Yes. Karen Watters is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Karen Watters's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Watters reassigns Medicare benefits to Chmc Otolaryngologic Foundation, 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 Watters's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Watters accept?
Health plans from Anthem Blue Cross and Blue Shield list Karen Watters 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.
When was this NPI record last updated?
The NPPES record for Karen Watters was last updated on December 13, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Dr. Karen Fiona Watters, MD, MPH · NPI 1609001114
Pediatric Otolaryngology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since May 28, 2009.
## Identity
- **NPI:** 1609001114 (Entity type: Individual)
- **Enumerated:** May 28, 2009
- **Primary specialty:** Otolaryngology - Pediatric Otolaryngology · taxonomy 207YP0228X
- **State license:** 249354 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 LONGWOOD AVENUE, DEPARTMENT OF OTOLARYNGOLOGY, CHILDRENS HOSPITAL BOSTON, Boston, MA 02215
- **Phone:** (617) 355-7793
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Chmc Otolaryngologic Foundation, Inc (NPI 1124118229, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 13, 2011
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Source: [NPI Profile](https://npiprofile.com/npi/1609001114) · Data from the CMS NPPES public registry.