DR. MATTHEW JOHN GRANT M.D.
NPI 1437544277
Pediatrics in Baltimore, MD
About Dr. Matthew John Grant M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MATTHEW JOHN GRANT M.D. (NPI 1437544277) is an individual pediatrics provider in Baltimore, Maryland, licensed in Maryland (D84875) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS and maintains a secondary practice location in Baltimore.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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 John Grant M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Matthew Grant reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: University Of Maryland Pediatric Associates, PA
- 172 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 21201 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.
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
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 Grant's NPI number?
The NPI number for Matthew Grant is 1437544277. It was assigned to this individual provider in the NPPES registry on March 30, 2015.
Where is Matthew Grant located?
Matthew Grant practices at 22 S Greene St, Baltimore, MD 21201. The listed phone number is (410) 328-6749.
What is Matthew Grant's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Matthew Grant enrolled in Medicare?
Yes. Matthew Grant is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Matthew Grant's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Grant reassigns Medicare benefits to University Of Maryland Pediatric Assoc PA (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 Grant'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 Grant was last updated on May 4, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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 John Grant, M.D. · NPI 1437544277
Pediatrics physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since March 30, 2015.
## Identity
- **NPI:** 1437544277 (Entity type: Individual)
- **Enumerated:** March 30, 2015
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** D84875 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 22 S GREENE ST, Baltimore, MD 21201-1544
- **Phone:** (410) 328-6749 · **Fax:** (410) 328-7305
## 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:** University Of Maryland Pediatric Assoc PA (NPI 1174628580, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 4, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1437544277) · Data from the CMS NPPES public registry.