Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mariana Forni, NP
Nurse Practitioner in Larkspur, CA · enumerated 2023.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1699548420
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Registry record
Entity type Individual (Type 1)
Name Mariana Forni
Credential NP
Sex Female
Practice address 2 Bon Air Road Ste 100, Larkspur, CA, 94939
Phone (415) 927-0666
Enumeration date Nov 2, 2023
Last updated in NPPES Nov 2, 2023
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 95027221 (CA) Primary
NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority.
About the NP 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.
Frequently asked questions
What is the NPI number for Mariana Forni?
The National Provider Identifier (NPI) for Mariana Forni is 1699548420, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mariana Forni practice?
The practice location on file with NPPES is in Larkspur, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-11-02.