Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Joanna Randolph, RN, MS, ANP

Adult Health Nurse Practitioner in Castro Valley, CA · enumerated 2010.

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

National Provider Identifier

1750681714

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Registry record

Entity type Individual (Type 1)

Name Joanna Randolph

Credential RN, MS, ANP

Sex Female

Practice address 20055 Lake Chabot Rd, Suite 230, Castro Valley, CA, 94546

Phone (510) 881-1490

Fax (510) 889-5806

Enumeration date Oct 25, 2010

Last updated in NPPES Mar 5, 2020

Taxonomy & licenses

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 2010009027 (CA) 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 Joanna Randolph?

The National Provider Identifier (NPI) for Joanna Randolph is 1750681714, a Type 1 (individual) record in the CMS NPPES registry.

Where does Joanna Randolph practice?

The practice location on file with NPPES is in Castro Valley, CA. 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 2020-03-05.