Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Martha Reilley, NP
Nurse Practitioner in Baltimore, MD · enumerated 2018.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1003381997
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Registry record
Entity type Individual (Type 1)
Name Martha Reilley
Credential NP
Sex Female
Practice address 3500 Boston St, Baltimore, MD, 21224
Phone (443) 266-3943
Enumeration date Oct 8, 2018
Last updated in NPPES Oct 8, 2018
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License R224996 (MD) Primary
NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority.
About the NP credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Is NPI 1003381997 active?
Yes, as of the latest NPPES snapshot, NPI 1003381997 is active (record last updated 2018-10-08).
How do I verify Martha Reilley's NPI record?
Cross-check NPI 1003381997 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-10-08.