Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Haley Morgan Roberson Issichopoulos, MSM, PA-C

Medical Physician Assistant in Portola Valley, CA · enumerated 2017.

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

National Provider Identifier

1699288027

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Registry record

Entity type Individual (Type 1)

Name Haley Morgan Roberson Issichopoulos

Credential MSM, PA-C

Sex Female

Practice address 844 Portola Rd, Portola Valley, CA, 94028

Phone (650) 494-1000

Enumeration date Nov 7, 2017

Last updated in NPPES May 10, 2021

Taxonomy & licenses

207YX0901X Otology & Neurotology Physician Allopathic & Osteopathic Physicians · License 54940 (CA) Secondary

363AS0400X Surgical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 54950 (CA) Secondary

363AM0700X Medical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 54940 (CA) Primary

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 Haley Issichopoulos practice?

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

What is the NPI number for Haley Issichopoulos?

The National Provider Identifier (NPI) for Haley Issichopoulos is 1699288027, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-05-10.