Kara E. Stefaniak, PA
Physician Assistant · Boston, MA
Kara E. Stefaniak, PA is a physician assistant with a practice address in Boston, Massachusetts, and NPI 1801454996, issued on Jun 3, 2019. Check the license (Massachusetts PA100369, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kara E. Stefaniak
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- PA100369 MA
5860 CO
PA.0005860 CO
Self-reported in NPPES; status is on the state search - Practice location
- 300 Longwood Ave, Boston, MA 02115
- Phone
- (617) 355-6000
- Enumerated
- Jun 3, 2019
- Record last updated
- May 30, 2025
- Entity
- Type 1 · individual
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Verify Kara E. Stefaniak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license PA100369Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Kara E. Stefaniak among 4,713 physician assistant records in Massachusetts
Kara E. Stefaniak, PA is one of 4,713 physician assistant records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 50% of them.
- NPI issued2019 · 50% of these records are older, 44% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2025 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,660 physician assistant records list a practice address in Boston
They are 1,660 of the 41,865 NPPES records with a practice address in Boston, and 4,713 physician assistant records in Massachusetts.
All 4,713 in Massachusetts → Every provider in Boston → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Lara BenoBoston, MA 021151013982677
- Laura BondlowBoston, MA 021151003806571
- Kristin Boyt, PABoston, MA 021151225091358
- Jessica Britnell, MS, PA-CBoston, MA 021151255309183
- Kendra Church, MS PA CBoston, MA 021151043261381
- Michele Elms, PABoston, MA 021151821052671
- Andrea Gayle-Bennett, PABoston, MA 021151497728026
- Sherri Horonjeff, PABoston, MA 021151669444394
Common questions
What is Kara E. Stefaniak, PA's NPI number?
Kara E. Stefaniak, PA's National Provider Identifier (NPI) is 1801454996, issued on Jun 3, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Kara E. Stefaniak, PA located?
The NPPES record lists a practice address at 300 Longwood Ave, Boston, MA, 02115. Phone: (617) 355-6000. Providers update this record themselves, so call before visiting.
How can I verify Kara E. Stefaniak, PA's license?
NPPES lists Massachusetts license number PA100369, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
What is Kara E. Stefaniak, PA's MIPS final score?
The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.