Karen Fiona Watters, MD, MPH
Pediatric Otolaryngology Physician · Boston, MA
Karen Fiona Watters, MD, MPH is a pediatric otolaryngology physician with a practice address in Boston, Massachusetts, and NPI 1609001114, issued on May 28, 2009. Check the license (Massachusetts 249354, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Karen Fiona Watters
- Credential
- MD, MPH
- Primary taxonomy
- Pediatric Otolaryngology Physician 207YP0228X
- License number
- 249354 MA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Longwood Avenue, Boston, MA 02215
- Phone
- (617) 355-7793
- Enumerated
- May 28, 2009
- Record last updated
- Dec 13, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090813000558); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 300 Longwood Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marc Ackerman, D.M.D.Orthodontics and Dentofacial Orthopedics Dentistry1790982593
- Osama Aglan, M.DStudent in an Organized Health Care Education/Training Program1275190548
- Omotola Ajayi, M.D.Student in an Organized Health Care Education/Training Program1619600400
- Reem Alahmadi, MBBSStudent in an Organized Health Care Education/Training Program1598578080
- Nadine AprahamianPediatrics Physician1033324207
- Rose Ashraf, PHDPsychologist1629676960
Verify Karen Fiona Watters in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 249354Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Chmc Otolaryngologic Foundation, IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pediatric Otolaryngology Physician providers in Massachusetts
There are 27 pediatric otolaryngology physician records in Massachusetts.
Other pediatric otolaryngology physician records in Massachusetts
- Jacob Brodsky, M.D.Boston, MA1487819785
- Jennifer Brooks, MD, MPHBoston, MA1730509316
- Philip Ryan Camilon, M.D.Danvers, MA1285049510
- Michael Cohen, M.D.Boston, MA1649435561
- Michael Cunningham, M.D.Boston, MA1811988181
- Gillian Diercks, M.D.Boston, MA1255573515
- Gabrielle French, MDBoston, MA1427783794
- Christopher Hartnick, MDBoston, MA1972593242
- Fergal Kavanagh, MB, BCH, BAOBoston, MA1043840432
- Donald Keamy, M.D.,M.P.H.Boston, MA1568453660
Common questions
What is Karen Fiona Watters, MD, MPH's NPI number?
Karen Fiona Watters, MD, MPH's National Provider Identifier (NPI) is 1609001114, issued on May 28, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Karen Fiona Watters, MD, MPH located?
The NPPES record lists a practice address at 300 Longwood Avenue, Boston, MA, 02215. Phone: (617) 355-7793. Providers update this record themselves, so call before visiting.
How can I verify Karen Fiona Watters, MD, MPH's license?
NPPES lists Massachusetts license number 249354, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.