Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Parissa Jannati Hagh, MD

Neurology Physician in Irvine, CA · enumerated 2006.

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

National Provider Identifier

1922175835

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Registry record

Entity type Individual (Type 1)

Name Parissa Jannati Hagh

Credential MD

Sex Female

Practice address 6650 Alton Pkwy, Medical Office, Building 2, Irvine, CA, 92618

Phone (888) 988-2800

Enumeration date Nov 29, 2006

Last updated in NPPES Nov 29, 2021

Taxonomy & licenses

2084N0400X Neurology Physician Allopathic & Osteopathic Physicians · License A60353 (CA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD 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

Is NPI 1922175835 active?

Yes, as of the latest NPPES snapshot, NPI 1922175835 is active (record last updated 2021-11-29).

How do I verify Parissa Hagh's NPI record?

Cross-check NPI 1922175835 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-11-29.