Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Thirza M. Day
Physician Assistant in Bowie, MD · enumerated 2014.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1881096345
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Registry record
Entity type Individual (Type 1)
Name Thirza M. Day
Sex Female
Practice address 15459 Annapolis Rd, Bowie, MD, 20715
Phone (240) 544-0676
Enumeration date Sep 16, 2014
Last updated in NPPES Mar 31, 2021
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License C0005536 (MD) Primary
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
Where does Thirza Day practice?
The practice location on file with NPPES is in Bowie, MD. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Thirza Day?
The National Provider Identifier (NPI) for Thirza Day is 1881096345, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Kim Bondurant Internal Medicine Physician · Bowie, MD NPI 1548251549 Konrad Jarrett Family Medicine Physician · Bowie, MD NPI 1497788210 Rachel Gaines-Mbachu Physician Assistant · Bowie, MD NPI 1497766133 Sonia Rhoden-Salmon Family Medicine Physician · Bowie, MD NPI 1164524922 Christan Battle Physician Assistant · Bowie, MD NPI 1104051150 Tramaine Davis Family Medicine Physician · Bowie, MD NPI 1730490186 Lori Rodey Physician Assistant · Bowie, MD NPI 1316253594 Wehti Blackledge Family Nurse Practitioner · Bowie, MD NPI 1760767735
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-03-31.