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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.

DR. JAMES HOMER FERGUSON DO
NPI 1689625212
Family Medicine in Costa Mesa, CA

Active since May 16, 2006
2501 HARBOR BLVD, COSTA MESA, CA 92626(714) 957-5000 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 13, 2026, Mar 7, 2023 (2 updates tracked since 2023).

About Dr. James Homer Ferguson Do NPPES

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

DR. JAMES HOMER FERGUSON DO (NPI 1689625212) is an individual family medicine provider in Costa Mesa, California, licensed in California (20A7415) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1689625212
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. JAMES HOMER FERGUSONCredential: DO
Location Address2501 HARBOR BLVDCosta Mesa, CA 92626-6143
Mailing Address1600 9th Street, Room 205 Mailstop 2-3Sacramento, CA 95814-6414 · (916) 654-2431 · Fax (916) 654-3186
Phone(714) 957-5000
Sole ProprietorNo
Enumeration DateMay 16, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1689625212 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · 20A7415
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
2501 HARBOR BLVD, Costa Mesa, CA 92626
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Other Identifiers 1

Other020A74150Pin

Other Providers at the Same Location NPPES 20

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

DR. LILIA SANTOS TAN FIGUEROA MD
Physical Medicine & Rehabilitation
2501 HARBOR BLVD
COSTA MESA, CA 92626
Orange County (714) 957-5000
DR. RONALD YUSI BANGSIL MD
Family Medicine
2501 HARBOR BLVD
COSTA MESA, CA 92626
Orange County (714) 327-6806
DILIP R PATEL MD
Internal Medicine
2501 HARBOR BLVD
COSTA MESA, CA 92626
Orange County (714) 957-5000
DR. HUNG VAN LE MD
Family Medicine
2501 HARBOR BLVD
COSTA MESA, CA 92626
Orange County (714) 957-5000
DR. WENDY PANG PHARMD
Pharmacist
2501 HARBOR BLVD
COSTA MESA, CA 92626
Orange County (714) 957-5464
DR. LUAN CANH LE MD
Family Medicine
2501 HARBOR BLVD
COSTA MESA, CA 92626
Orange County (714) 957-5000
MRS. JENNIFER DIEM TRUONG RNP
Nurse Practitioner
2501 HARBOR BLVD
COSTA MESA, CA 92626
Orange County (714) 957-5000
STATE OF CALIFORNIA - DEPARTMENT OF DEVELOPMENTAL SERVICES
General Acute Care Hospital
2501 HARBOR BLVD
COSTA MESA, CA 92626
Orange County (714) 957-5000

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 James Ferguson's NPI number?

The NPI number for James Ferguson is 1689625212. It was assigned to this individual provider in the NPPES registry on May 16, 2006.

Where is James Ferguson located?

James Ferguson practices at 2501 Harbor Blvd, Costa Mesa, CA 92626. The listed phone number is (714) 957-5000.

What is James Ferguson's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

When was this NPI record last updated?

The NPPES record for James Ferguson was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 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.