Justin P. Zachariah, M.D.
Pediatrics Physician · Boston, MA
Justin P. Zachariah, M.D. is a pediatrics physician with a practice address in Boston, Massachusetts, and NPI 1366602997, issued on Jun 17, 2008. Check the license (Massachusetts 229722, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Justin P. Zachariah
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 229722 MA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Longwood Ave, Boston, MA 02115
- Phone
- (617) 355-7893
- Enumerated
- Jun 17, 2008
- Record last updated
- Jun 17, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150902002270); accepts Medicare assignment
- Medical or professional school
- Baylor College Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 2,628 in Massachusetts → Look up another NPI →
Also registered at 300 Longwood Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Isabel Abbott, MDNeurology with Special Qualifications in Child Neurology Physician1033772579
- Kristin Abdelnour, PTPhysical Therapist1982821302
- Mohamed Abdelrahman, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1558050591
- Nadia Abdulrazak, N.P.Adult Health Nurse Practitioner1952616682
- Dhatri AbeyaratneStudent in an Organized Health Care Education/Training Program1437098233
Verify Justin P. Zachariah in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 229722Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Texas Childrens Physician GroupHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Justin P. Zachariah among 2,628 pediatrics physician records in Massachusetts
Justin P. Zachariah, M.D. is one of 2,628 pediatrics physician records with a practice address in Massachusetts. 25% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 62% of them.
- NPI issued2008 · 62% of these records are older, 34% newer
- In a Medicare fileYes · 25% of these records are
- In the CMS Doctors and Clinicians fileYes · 12% of these records are
- Graduated2003 · median 2010 among the 319 with a school on file
- Record last updated2008 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
822 pediatrics physician records list a practice address in Boston
They are 822 of the 41,865 NPPES records with a practice address in Boston, and 2,628 pediatrics physician records in Massachusetts.
All 2,628 in Massachusetts → Every provider in Boston → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Fowzan Alkuraya, MDBoston, MA 021151518946607
- Lori Aronson, MDBoston, MA 021151114918323
- Matthew Gillman, MDBoston, MA 021151912978461
- Laura Grubb, M.D.Boston, MA 021151245210780
- Jordan Kreidberg, M.D.Boston, MA 021151083685820
- Peter Lang, MDBoston, MA 021151063403780
- Kelly Macaulay, MDBoston, MA 021151326018144
- Simon Manning, MBBS MRCPBoston, MA 021151346222635
Common questions
What is Justin P. Zachariah, M.D.'s NPI number?
Justin P. Zachariah, M.D.'s National Provider Identifier (NPI) is 1366602997, issued on Jun 17, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Justin P. Zachariah, M.D. located?
The NPPES record lists a practice address at 300 Longwood Ave, Boston, MA, 02115. Phone: (617) 355-7893. Providers update this record themselves, so call before visiting.
How can I verify Justin P. Zachariah, M.D.'s license?
NPPES lists Massachusetts license number 229722, 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. 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.