MATHEW HARRELL D.O
NPI 1396156949
Pediatrics - Neonatal-Perinatal Medicine in Bethesda, MD
About Mathew Harrell D.o NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATHEW HARRELL D.O (NPI 1396156949) is an individual neonatal-perinatal medicine provider in Bethesda, Maryland, licensed in Maryland (H0097268) and active in the NPI registry since May 2014. He is enrolled in Medicare PECOS and maintains a secondary practice location in Frederick.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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)
Mathew Harrell D.o is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Mathew Harrell reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 1,417 clinicians in this Medicare group
Baltimore, MD 21287
- Reassigned Medicare billing, Maryland enrollment
- 16 clinicians in this Medicare group
Honolulu, HI 96826
- Reassigned Medicare billing, Hawaii enrollment
- 262 clinicians in this Medicare group
Honolulu, HI 96826
- Reassigned Medicare billing, Hawaii enrollment
- 370 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.
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.
BETHESDA, MD 20889
BETHESDA, MD 20889
BETHESDA, MD 20889
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 Mathew Harrell's NPI number?
The NPI number for Mathew Harrell is 1396156949. It was assigned to this individual provider in the NPPES registry on May 16, 2014.
Where is Mathew Harrell located?
Mathew Harrell practices at 8901 Wisconsin Ave Walter Reed National Military Medical Center, Bethesda, MD 20889. The listed phone number is (937) 371-9746.
What is Mathew Harrell's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.
Is Mathew Harrell enrolled in Medicare?
Yes. Mathew Harrell is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mathew Harrell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mathew Harrell reassigns Medicare benefits to 4 organizations: Children's Hospital (Washington, DC), Johns Hopkins University (Baltimore, MD), Kapiolani Medical Center For Women & Children (Honolulu, HI) and Kapiolani Medical Specialists (Honolulu, HI). 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 Mathew Harrell'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 Mathew Harrell was last updated on April 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.
# Mathew Harrell, D.O · NPI 1396156949
Neonatal-Perinatal Medicine physician in Bethesda, Maryland. Individual provider, active in the CMS NPPES registry since May 16, 2014.
## Identity
- **NPI:** 1396156949 (Entity type: Individual)
- **Enumerated:** May 16, 2014
- **Primary specialty:** Pediatrics - Neonatal-Perinatal Medicine · taxonomy 2080N0001X
- **State license:** H0097268 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 8901 WISCONSIN AVE, WALTER REED NATIONAL MILITARY MEDICAL CENTER, Bethesda, MD 20889-5600
- **Phone:** (937) 371-9746
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Children's Hospital (NPI 1780800128, Washington, DC); Johns Hopkins University (NPI 1629732805, Baltimore, MD); Kapiolani Medical Center For Women & Children (NPI 1548215692, Honolulu, HI); Kapiolani Medical Specialists (NPI 1124071014, Honolulu, HI) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 3, 2025
- **Other identifiers:** Medicaid H0097268 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1396156949) · Data from the CMS NPPES public registry.