Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alyssa K. Larimore, M.S., C.R.N.P., R.N.

Obstetrics & Gynecology Nurse Practitioner in Frederick, MD · enumerated 2007.

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

National Provider Identifier

1841411345

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Registry record

Entity type Individual (Type 1)

Name Alyssa K. Larimore

Credential M.S., C.R.N.P., R.N.

Sex Female

Practice address 61 Thomas Johnson Dr, Frederick, MD, 21702

Phone (301) 663-6171

Fax (301) 695-4469

Enumeration date May 1, 2007

Last updated in NPPES Nov 2, 2023

Taxonomy & licenses

363LX0001X Obstetrics & Gynecology Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License R139855 (MD) Primary

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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Alyssa Larimore practice?

The practice location on file with NPPES is in Frederick, MD. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Alyssa Larimore?

The National Provider Identifier (NPI) for Alyssa Larimore is 1841411345, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-11-02.