Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Trudy Ruth Hall, M.D.
Specialist in Baltimore, MD · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1487632576
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Registry record
Entity type Individual (Type 1)
Name Dr. Trudy Ruth Hall
Credential M.D.
Sex Female
Practice address 2000 W Baltimore St, Baltimore, MD, 21223
Phone (410) 362-3000
Enumeration date Jan 9, 2006
Last updated in NPPES Oct 7, 2011
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD 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
What is the NPI number for Trudy Hall?
The National Provider Identifier (NPI) for Trudy Hall is 1487632576, a Type 1 (individual) record in the CMS NPPES registry.
Where does Trudy Hall practice?
The practice location on file with NPPES is in Baltimore, MD. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Grace Medical Center, Inc. General Acute Care Hospital · Baltimore, MD NPI 1962480772 Margarita Jovel Emergency Medicine Physician · Baltimore, MD NPI 1104804897 Usha Jain Specialist · Baltimore, MD NPI 1851379457 Alexius Boakye Specialist · Baltimore, MD NPI 1912985284 Edward Bolgiano Specialist · Baltimore, MD NPI 1356329882 Howard Reynolds Critical Care Medicine (Internal Medicine) Physician · Baltimore, MD NPI 1811975006 Darlene Robinson Specialist · Baltimore, MD NPI 1831177831 Pemy Chhim Specialist · Baltimore, MD NPI 1063491116
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-10-07.