NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Carolyn Ruth Brown, OB GYN NP

Obstetrics & Gynecology Nurse Practitioner in Tucson, AZ · enumerated 2006 · practices at Planned Parenthood Arizona.

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

National Provider Identifier

1417975954

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Carolyn Ruth Brown
Credential OB GYN NP
Sex Female
Practice address 2255 N Wyatt Dr, Tucson, AZ, 85712
Phone (520) 784-5808
Enumeration date Jul 17, 2006
Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

363LX0001X Obstetrics & Gynecology Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License RN033331 (AZ) Primary

Other identifiers

Identifier Type State Issuer
322389 Medicaid AZ -

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 Carolyn Brown?
The National Provider Identifier (NPI) for Carolyn Brown is 1417975954, a Type 1 (individual) record in the CMS NPPES registry.
Where does Carolyn Brown practice?
The practice location on file with NPPES is in Tucson, AZ. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

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