NPPES file of Aug 9, 2026

Mackenzie McGrath

Pediatric Anesthesiology Physician · Boston, MA

Mackenzie McGrath is a pediatric anesthesiology physician with a practice address in Boston, Massachusetts, and NPI 1659959625, issued on Mar 31, 2021. Check the license (Massachusetts 1022288, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1659959625
Name
Mackenzie McGrath
Primary taxonomy
Pediatric Anesthesiology Physician 207LP3000X
License number
1022288 MA
Self-reported in NPPES; status is on the state search
Practice location
300 Longwood Ave, Boston, MA 02115
Phone
(617) 355-6000
Enumerated
Mar 31, 2021
Record last updated
May 8, 2026
Medicare enrollment
Enrolled (PECOS I20260528003617); may accept Medicare assignment
Medical or professional school
Indiana University School Of Medicine, 2021
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 300 Longwood Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sylvia Abadir, MDPediatric Cardiology Physician1427366459
  2. Isabel Abbott, MDNeurology with Special Qualifications in Child Neurology Physician1033772579
  3. Kristin Abdelnour, PTPhysical Therapist1982821302
  4. Mohamed Abdelrahman, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1558050591
  5. Nadia Abdulrazak, N.P.Adult Health Nurse Practitioner1952616682
  6. Dhatri AbeyaratneStudent in an Organized Health Care Education/Training Program1437098233

Verify Mackenzie McGrath in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 1022288
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Mackenzie McGrath among 65 pediatric anesthesiology physician records in Massachusetts

Mackenzie McGrath is one of 65 pediatric anesthesiology physician records with a practice address in Massachusetts. 58% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2021, is newer than 88% of them.

  • NPI issued2021 · 88% of these records are older, 3% newer
  • In a Medicare fileNo · 58% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2021 · median 2007 among the 38 with a school on file
  • Record last updated2026 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LP3000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Anesthesiology Physician providers in Massachusetts

There are 65 pediatric anesthesiology physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 pediatric anesthesiology physician records with the nearest ZIP codes

  1. Douglas Atkinson, MDBoston, MA 021151821145772
  2. Elena Bafani, M.D.Boston, MA 021151528026036
  3. Choon Bong, MBCHB, FRCABoston, MA 021151891983698
  4. Dima Daaboul, M.D.Boston, MA 021151447492129
  5. Nina Deutsch, MDBoston, MA 021151851471569
  6. Chinyere Egbuta, M.D.Boston, MA 021151902077555
  7. John Fiadjoe, M.D.Boston, MA 021151881701464
  8. Julia Galvez Delgado, MD MBIBoston, MA 021151720226855

Common questions

What is Mackenzie McGrath's NPI number?

Mackenzie McGrath's National Provider Identifier (NPI) is 1659959625, issued on Mar 31, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Mackenzie McGrath 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 Mackenzie McGrath's license?

NPPES lists Massachusetts license number 1022288, 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. 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.