Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Marcia A Blotzer, RN
Registered Nurse in Dundalk, MD · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1871794297
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Registry record
Entity type Individual (Type 1)
Name Ms. Marcia A Blotzer
Credential RN
Sex Female
Practice address 7700 Dunmanway, Dundalk, MD, 21222
Phone (410) 887-7182
Enumeration date May 31, 2007
Last updated in NPPES Jul 10, 2007
Taxonomy & licenses
RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam.
About the RN 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
Where does Marcia Blotzer practice?
The practice location on file with NPPES is in Dundalk, MD. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Marcia Blotzer?
The National Provider Identifier (NPI) for Marcia Blotzer is 1871794297, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-10.