Katherine Eileen Mason, M.D.
Anesthesiology Physician · Newton, MA
Katherine Eileen Mason, M.D. is an anesthesiology physician with a practice address in Newton, Massachusetts, and NPI 1194819516, issued on Oct 2, 2006. Check the license (Massachusetts 282163, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Katherine Eileen Mason
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 282163 MA
Self-reported in NPPES; status is on the state search - Practice location
- 2014 Washington St, Newton, MA 02462
- Phone
- (617) 243-6298
- Enumerated
- Oct 2, 2006
- Record last updated
- Mar 2, 2022
- Medicaid ID
- 110164856A MA
- Medicare enrollment
- Enrolled (PECOS I20110404000196); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 2,089 in Massachusetts → Look up another NPI →
Also registered at 2014 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Tatiana Abrantes, MDStudent in an Organized Health Care Education/Training Program1962107250
- Maura Adrian, LICSWSocial Worker1083106918
- Davies Agyekum, M.D., PHDAnesthesiology Physician1134651425
- Tarik Alkasab, M.D., PH.D.Diagnostic Radiology Physician1154305803
Verify Katherine Eileen Mason in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 282163Check 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 practice group's MIPS final score for 2023 (Medicare payment program): 91.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Milford Anesthesia Consultants PCMilford, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Eileen Mason among 2,089 anesthesiology physician records in Massachusetts
Katherine Eileen Mason, M.D. is one of 2,089 anesthesiology physician records with a practice address in Massachusetts. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 18% of them.
- NPI issued2006 · 18% of these records are older, 59% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2016 · median 2008 among the 1,472 with a school on file
- Record last updated2022 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
47 anesthesiology physician records list a practice address in Newton
They are 47 of the 2,975 NPPES records with a practice address in Newton, and 2,089 anesthesiology physician records in Massachusetts.
All 2,089 in Massachusetts → Every provider in Newton → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Kimball Atwood, MDNewton, MA 024621861423345
- Margery Brenner, MDNewton, MA 024621548291388
- Kyle Byrne, MDNewton, MA 024621518998954
- Dana Gvildys, MDNewton, MA 024621588695068
- Martha Hauch, MDNewton, MA 024621629015565
- Mark Hershey, MDNewton, MA 024621396776878
- Jacob Joffe, MDNewton, MA 024621235160631
- Kenneth Leng, M.D.Newton, MA 024621700823440
Common questions
What is Katherine Eileen Mason, M.D.'s NPI number?
Katherine Eileen Mason, M.D.'s National Provider Identifier (NPI) is 1194819516, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Eileen Mason, M.D. located?
The NPPES record lists a practice address at 2014 Washington St, Newton, MA, 02462. Phone: (617) 243-6298. Providers update this record themselves, so call before visiting.
How can I verify Katherine Eileen Mason, M.D.'s license?
NPPES lists Massachusetts license number 282163, 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.
What is Katherine Eileen Mason, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.1 of 100, reported for the practice group. 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.