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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

NAN CHENG MD A PROFESSIONAL MEDICAL CORPORATION
NPI 1871437988
Psychiatry & Neurology - Neurology in Costa Mesa, CA

Active since April 17, 2026
1640 NEWPORT BLVD STE 440, COSTA MESA, CA 92627(949) 431-6794(949) 539-8997 Get Directions Write a Review

NPPES record last updated: October 9, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Oct 9, 2026, Apr 17, 2026 (2 updates tracked since 2026).

About Nan Cheng Md A Professional Medical Corporation NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NAN CHENG MD A PROFESSIONAL MEDICAL CORPORATION (NPI 1871437988), doing business as Irvine Headache Care, is a healthcare organization registered as a neurology in Costa Mesa, California and active in the NPI registry since April 2026. The organization lists Nan Cheng, Ceo, as its authorized official.

NPPES Registry Identity

NPI1871437988
Entity TypeOrganization
Primary Taxonomy2084N0400X
Legal Business NameNAN CHENG MD A PROFESSIONAL MEDICAL CORPORATION
Location Address1640 NEWPORT BLVD STE 440Costa Mesa, CA 92627-3786
Mailing Address1640 Newport Blvd Ste 440Costa Mesa, CA 92627-3786 · (949) 431-6794 · Fax (949) 539-8997
Phone(949) 431-6794
Fax(949) 539-8997
Organization SubpartNo
Authorized OfficialNan ChengCeo · (949) 431-6794
Enumeration DateApril 17, 2026
Last NPPES UpdateOctober 9, 20262 updates tracked since enumeration
NPPES CertifiedOctober 9, 2026
✔ NPI 1871437988 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
1640 NEWPORT BLVD STE 440, Costa Mesa, CA 92627
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Other Names 1

Doing Business AsIrvine Headache Care

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NEWPORT SLEEP AND WELLNESS, INC.
Clinic/Center (Sleep Disorder Diagnostic)
1640 NEWPORT BLVD STE 440
COSTA MESA, CA 92627
Orange County (949) 554-0588
ROXANNE STALLWORTH M.D., M.P.H.
Internal Medicine
1640 NEWPORT BLVD STE 440
COSTA MESA, CA 92627
Orange County (949) 791-8888
TSAY MD INCORPORATED
Family Medicine
1640 NEWPORT BLVD STE 440
COSTA MESA, CA 92627
Orange County (949) 791-8888
CARLTON MEDICAL GROUP INC
Chiropractor (Internist)
1640 NEWPORT BLVD STE 440
COSTA MESA, CA 92627
Orange County (949) 287-6321
CINDY TAMMY YANG MD
Family Medicine
1640 NEWPORT BLVD STE 440
COSTA MESA, CA 92627
Orange County (949) 791-8888

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nan Cheng MD A Professional Medical Corporation's NPI number?

The NPI number for Nan Cheng MD A Professional Medical Corporation is 1871437988. It was assigned to this organization in the NPPES registry on April 17, 2026. The provider is doing business as Irvine Headache Care.

Where is Nan Cheng MD A Professional Medical Corporation located?

Nan Cheng MD A Professional Medical Corporation is located at 1640 Newport Blvd Ste 440, Costa Mesa, CA 92627. The listed phone number is (949) 431-6794.

What is Nan Cheng MD A Professional Medical Corporation's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

When was this NPI record last updated?

The NPPES record for Nan Cheng MD A Professional Medical Corporation was last updated on October 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.