Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Holly E Brown, RN, NPP, CS

Q: What is the NPI number for Holly Brown?

The National Provider Identifier (NPI) for Holly Brown is 1255545588, a Type 1 (individual) record in the CMS NPPES registry.

Psychiatric/Mental Health Nurse Practitioner in Rochester, NY · enumerated 2007.

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

National Provider Identifier

1255545588

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Registry record

Entity type Individual (Type 1)

Name Ms. Holly E Brown

Credential RN, NPP, CS

Sex Female

Practice address 1183 Monroe Ave, Rochester, NY, 14620

Phone (585) 281-0934

Enumeration date May 9, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License F400425 (NY) 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

What is the NPI number for Holly Brown?

The National Provider Identifier (NPI) for Holly Brown is 1255545588, a Type 1 (individual) record in the CMS NPPES registry.

Where does Holly Brown practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.