Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Michael John Kimball, NP

Adult Health Nurse Practitioner in Costa Mesa, CA · enumerated 2006 · practices at State of California - Department of Developmental Services.

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

National Provider Identifier

1700838646

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Registry record

Entity type Individual (Type 1)

Name Mr. Michael John Kimball

Credential NP

Sex Male

Practice address 2501 Harbor Blvd, Costa Mesa, CA, 92626

Phone (714) 957-5000

Enumeration date May 17, 2006

Last updated in NPPES Mar 7, 2023

Taxonomy & licenses

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 523970 (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.

Read the full guide → Validate an NPI →

Frequently asked questions

How do I verify Michael Kimball's NPI record?

Cross-check NPI 1700838646 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1700838646 active?

Yes, as of the latest NPPES snapshot, NPI 1700838646 is active (record last updated 2023-03-07).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-03-07.