Karen Sawayer, NP
NPI 1548221773 · Adult Health Nurse Practitioner · Braintree, MA
Karen Sawayer, NP is a Adult Health Nurse Practitioner provider in Braintree, MA (NPI 1548221773).
Provider details
- NPI number
- 1548221773
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 101156 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-29
- Last updated
- 2014-01-13
Frequently asked questions
- What is Karen Sawayer's NPI number?
- Karen Sawayer's National Provider Identifier (NPI) is 1548221773, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Sawayer's specialty?
- Karen Sawayer is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Sawayer located?
- Karen Sawayer's practice location on file with NPPES is 111 Grossman Dr, Braintree, MA 02184-4997.
- What is Karen Sawayer's phone number?
- The practice phone number listed in the NPPES registry for Karen Sawayer is (781) 849-1000.
- Is Karen Sawayer's NPI active?
- Yes — Karen Sawayer's NPI (1548221773) is active in the NPPES registry as of the last update on 2014-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.