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Rachel Carmela Marrero, CRNP

Nurse Practitioner in Hummelstown, PA · enumerated 2021.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1043988900

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Registry record

Entity type Individual (Type 1)
Name Rachel Carmela Marrero
Credential CRNP
Sex Female
Practice address 8105 Adams Dr Ste B, Hummelstown, PA, 17036
Phone (717) 482-8115
Fax (717) 482-8364
Enumeration date Sep 3, 2021
Last updated in NPPES Jan 14, 2026

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License SP024010 (PA) 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.

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Frequently asked questions

What is the NPI number for Rachel Marrero?
The National Provider Identifier (NPI) for Rachel Marrero is 1043988900, a Type 1 (individual) record in the CMS NPPES registry.
Where does Rachel Marrero practice?
The practice location on file with NPPES is in Hummelstown, PA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-01-14.