DR. MATTHEW DOUGLAS MERGUERIAN M.D., PH.D.
NPI 1386055804
Pediatrics - Pediatric Hematology-Oncology in Baltimore, MD
About Dr. Matthew Douglas Merguerian M.d., Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MATTHEW DOUGLAS MERGUERIAN M.D., PH.D. (NPI 1386055804) is an individual pediatric hematology-oncology provider in Baltimore, Maryland, licensed in Maryland (D83441) and active in the NPI registry since May 2014. He is enrolled in Medicare PECOS and is a graduate of Columbia University College Of Physicians And Surgeons (2014).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Matthew Douglas Merguerian M.d., Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Matthew Merguerian reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21287
- Reassigned Medicare billing, Maryland enrollment
- 4,483 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
BALTIMORE, MD 21287
BALTIMORE, MD 21287
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 Matthew Merguerian's NPI number?
The NPI number for Matthew Merguerian is 1386055804. It was assigned to this individual provider in the NPPES registry on May 19, 2014.
Where is Matthew Merguerian located?
Matthew Merguerian practices at 200 N Wolfe St, Baltimore, MD 21287. The listed phone number is (410) 955-6132.
What is Matthew Merguerian's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.
Is Matthew Merguerian enrolled in Medicare?
Yes. Matthew Merguerian is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Matthew Merguerian's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Merguerian reassigns Medicare benefits to Johns Hopkins University (Baltimore, MD). The 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 Matthew Merguerian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Matthew Merguerian was last updated on December 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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. Matthew Douglas Merguerian, M.D., PH.D. · NPI 1386055804
Pediatric Hematology-Oncology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since May 19, 2014.
## Identity
- **NPI:** 1386055804 (Entity type: Individual)
- **Enumerated:** May 19, 2014
- **Primary specialty:** Pediatrics - Pediatric Hematology-Oncology · taxonomy 2080P0207X
- **State license:** D83441 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 N WOLFE ST, Baltimore, MD 21287-0011
- **Phone:** (410) 955-6132 · **Fax:** (410) 955-8208
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Johns Hopkins University (NPI 1881694453, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Columbia University College Of Physicians And Surgeons, class of 2014
## Record status
- **NPPES last updated:** December 16, 2021
- **Other identifiers:** Other D83441 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1386055804) · Data from the CMS NPPES public registry.