DR. WILLIAM D. CHRISTIANSEN M.D.
NPI 1831107952
Emergency Medicine in San Diego, CA

Active since August 04, 2006
10243 GENETIC CENTER DR, SAN DIEGO, CA 92121(858) 526-6100(858) 526-6134 Get Directions Write a Review

NPPES record last updated: June 18, 2013. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. William D. Christiansen M.d. NPPES

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

DR. WILLIAM D. CHRISTIANSEN M.D. (NPI 1831107952) is an individual emergency medicine provider in San Diego, California, licensed in California (G50367) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1831107952
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. WILLIAM D. CHRISTIANSENCredential: M.D.
Location Address10243 GENETIC CENTER DRSan Diego, CA 92121-6310
Mailing Address10243 Genetic Center DrSan Diego, CA 92121-6310 · (858) 526-6100 · Fax (858) 526-6134
Fax(858) 526-6134
Sole ProprietorNo
Enumeration DateAugust 4, 2006
Last NPPES UpdateJune 18, 2013
NPI 1831107952 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in CA · G50367
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
10243 GENETIC CENTER DR, San Diego, CA 92121

Other Identifiers 3

Medicare ID-Type UnspecifiedWG50367ACA
Medicaid00G503670CA
Medicare UPINA51656CA

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.

Psychiatry & Neurology (Neurology)
10243 GENETIC CENTER DR
SAN DIEGO, CA 92121
Pharmacist
10243 GENETIC CENTER DR
SAN DIEGO, CA 92121
Otolaryngology
10243 GENETIC CENTER DR
SAN DIEGO, CA 92121
Physician Assistant (Medical)
10243 GENETIC CENTER DR
SAN DIEGO, CA 92121
Family Medicine
10243 GENETIC CENTER DR
SAN DIEGO, CA 92121
Physical Therapist
10243 GENETIC CENTER DR
SAN DIEGO, CA 92121
Ophthalmology
10243 GENETIC CENTER DR
SAN DIEGO, CA 92121
Emergency Medicine
10243 GENETIC CENTER DR, SHARP REES-STEALY URGENT CARE SORRENTO MESA
SAN DIEGO, CA 92121

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 William Christiansen's NPI number?

The NPI number for William Christiansen is 1831107952. It was assigned to this individual provider in the NPPES registry on August 4, 2006.

Where is William Christiansen located?

William Christiansen practices at 10243 Genetic Center Dr, San Diego, CA 92121. The listed phone number is (858) 526-6100.

What is William Christiansen's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

When was this NPI record last updated?

The NPPES record for William Christiansen was last updated on June 18, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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.