Karen J. Sawayer, NP
Adult Health Nurse Practitioner · Braintree, MA
Karen J. Sawayer, NP is an adult health nurse practitioner with a practice address in Braintree, Massachusetts, and NPI 1548221773, issued on Mar 29, 2006. Check the license (Massachusetts 101156, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Karen J. Sawayer
- Credential
- NP
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- 101156 MA
Self-reported in NPPES; status is on the state search - Practice location
- 111 Grossman Dr, Braintree, MA 02184
- Phone
- (781) 849-1000
- Enumerated
- Mar 29, 2006
- Record last updated
- Jan 13, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicaid ID
- 0359530 MA
- Entity
- Type 1 · individual
Also registered at 111 Grossman Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Deborah Antos, PAMedical Physician Assistant1295798437
- Peter Barrant, M.D.Pediatrics Physician1215913835
- Caitlin Bast, DNPAdult Health Nurse Practitioner1558945071
- Gail Bean, NPNurse Practitioner1992774137
- Vicki Beggs, PHDPsychologist1104877539
- Elvira Belenky, PAMedical Physician Assistant1316901507
Verify Karen J. Sawayer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 101156Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15 adult health nurse practitioner records list a practice address in Braintree
They are 15 of the 991 NPPES records with a practice address in Braintree, and 1,465 adult health nurse practitioner records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 15 in Braintree → All 1,465 in Massachusetts → Every provider in Braintree →
Other adult health nurse practitioner records in Massachusetts
- Christine Abbott, NPBoston, MA1851471940
- Maureen Abbott, NPBoston, MA1457591638
- Bethany Abde, AGNP - BCWareham, MA1215331566
- Nadia Abdulrazak, N.P.Boston, MA1952616682
- June Abraham, NPBoston, MA1306916440
- Van Abreu, N.P.Reading, MA1174867055
- Margaret Ackerman, DNPSalem, MA1962482281
- Rebecca Acome, N.P.Jamaica Plain, MA1205088531
- Annette Adams, CNPNantucket, MA1164877635
- Mervin AdamsHyde Park, MA1174849467
Common questions
What is Karen J. Sawayer, NP's NPI number?
Karen J. Sawayer, NP's National Provider Identifier (NPI) is 1548221773, issued on Mar 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen J. Sawayer, NP located?
The NPPES record lists a practice address at 111 Grossman Dr, Braintree, MA, 02184. Phone: (781) 849-1000. Providers update this record themselves, so call before visiting.
How can I verify Karen J. Sawayer, NP's license?
NPPES lists Massachusetts license number 101156, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.