DR. JUSTIN P ZACHARIAH M.D.
NPI 1366602997
Pediatrics in Boston, MA
About Dr. Justin P Zachariah M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JUSTIN P ZACHARIAH M.D. (NPI 1366602997) is an individual pediatrics provider in Boston, Massachusetts, licensed in Massachusetts (229722) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS and is a graduate of Baylor College Of Medicine (2003).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Justin P Zachariah M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Justin Zachariah reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 2,296 clinicians in this Medicare group
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Texas Childrens Physician Group
- 2,498 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02115 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Justin Zachariah's NPI number?
The NPI number for Justin Zachariah is 1366602997. It was assigned to this individual provider in the NPPES registry on June 17, 2008.
Where is Justin Zachariah located?
Justin Zachariah practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-7893.
What is Justin Zachariah's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Justin Zachariah enrolled in Medicare?
Yes. Justin Zachariah is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Justin Zachariah's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Justin Zachariah reassigns Medicare benefits to 2 organizations: Baylor College Of Medicine (Houston, TX) and Texas Children's Physician Group (Houston, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Justin Zachariah's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Justin Zachariah accept?
Health plans from Antidote Health of TX, Harbor Health and Moda Health Plan, Inc. list Justin Zachariah as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Justin Zachariah was last updated on June 17, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Justin P Zachariah, M.D. · NPI 1366602997
Pediatrics physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since June 17, 2008.
## Identity
- **NPI:** 1366602997 (Entity type: Individual)
- **Enumerated:** June 17, 2008
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** 229722 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 LONGWOOD AVE, Boston, MA 02115-5724
- **Phone:** (617) 355-7893
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Baylor College Of Medicine (NPI 1053352914, Houston, TX); Texas Children's Physician Group (NPI 1861675506, Houston, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Baylor College Of Medicine, class of 2003
## Record status
- **NPPES last updated:** June 17, 2008
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Source: [NPI Profile](https://npiprofile.com/npi/1366602997) · Data from the CMS NPPES public registry.