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DR. BRENT CHRISTOPHER LORENZEN M.D.
NPI 1013176551
Emergency Medicine in San Diego, CA

Active since June 09, 2008PECOS Enrolled
4647 ZION AVE, SAN DIEGO, CA 92120(619) 323-4276 Get Directions Write a Review

NPPES record last updated: September 8, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 8, 2021, Aug 27, 2021, Aug 31, 2016 and 1 more (4 updates tracked since 2016).

About Dr. Brent Christopher Lorenzen M.d. NPPES

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

DR. BRENT CHRISTOPHER LORENZEN M.D. (NPI 1013176551) is an individual emergency medicine provider in San Diego, California, licensed in California (C142802) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1013176551
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. BRENT CHRISTOPHER LORENZENCredential: M.D.
Location Address4647 ZION AVESan Diego, CA 92120-2507
Mailing Address4647 Zion AveSan Diego, CA 92120-2507 · (619) 323-4276
Phone(619) 323-4276
Sole ProprietorNo
Enumeration DateJune 9, 2008
Last NPPES UpdateSeptember 8, 20214 updates tracked since enumeration
NPPES CertifiedSeptember 8, 2021
✔ NPI 1013176551 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in CA · C142802✔ Licensed in NC · 148679✔ Licensed in AZ · 44699
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.
4647 ZION AVE, San Diego, CA 92120
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Brent Christopher Lorenzen M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Brent Lorenzen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Southern California Permanente Medical Group
Same address
Health Maintenance Organization
4647 ZION AVE
San Diego, CA 92120
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1225060742 (619) 528-5000
Emergency Professional Services PC
284 mi
Emergency Medicine
9201 W THOMAS RD
Phoenix, AZ 85037
  • Reassigned Medicare billing, Arizona enrollment
  • 199 clinicians in this Medicare group
NPI 1225055924 (954) 939-5000
Bisbee Hospital Association
421 mi
Rural Health
10524 E HIGHWAY 92
Hereford, AZ 85615
  • Reassigned Medicare billing, Arizona enrollment
  • 128 clinicians in this Medicare group
NPI 1225438104 (520) 366-0300

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92120 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.87 typical visit price
range $62.10 – $184.71
Typical copayment $23.71 (range $15.52 – $46.17)
Most-billed visit code 99203
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

ANN MARIE PENA MD
Obstetrics & Gynecology
4647 ZION AVE
SAN DIEGO, CA 92120
San Diego County (619) 528-5000
DR. SHWETA WARNER M.D.
Internal Medicine (Infectious Disease)
4647 ZION AVE
SAN DIEGO, CA 92120
San Diego County (619) 221-6258
DR. MATTHEW JAMES ROOSEVELT M.D.
Internal Medicine
4647 ZION AVE, DEPARTMENT OF HOSPITAL MEDICINE
SAN DIEGO, CA 92120
San Diego County (619) 952-5091
RICHARD FUNG
Pharmacist
4647 ZION AVE
SAN DIEGO, CA 92120
San Diego County (626) 278-2749
ARDIS L TASCHNER CRNA
Nurse Anesthetist, Certified Registered
4647 ZION AVE
SAN DIEGO, CA 92120
San Diego County (619) 528-5000
JEANNE HAGER DONAHUE LCSW
Social Worker (Clinical)
4647 ZION AVE
SAN DIEGO, CA 92120
San Diego County (619) 528-5323
DAVID M. LEVINE MD
Internal Medicine (Pulmonary Disease)
4647 ZION AVE
SAN DIEGO, CA 92120
San Diego County (619) 528-5000
DALE K. LIEU MD
Internal Medicine (Infectious Disease)
4647 ZION AVE
SAN DIEGO, CA 92120
San Diego County (619) 528-5000

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 Brent Lorenzen's NPI number?

The NPI number for Brent Lorenzen is 1013176551. It was assigned to this individual provider in the NPPES registry on June 9, 2008.

Where is Brent Lorenzen located?

Brent Lorenzen practices at 4647 Zion Ave, San Diego, CA 92120. The listed phone number is (619) 323-4276.

What is Brent Lorenzen's specialty?

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

Is Brent Lorenzen enrolled in Medicare?

Yes. Brent Lorenzen is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Brent Lorenzen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Brent Lorenzen reassigns Medicare benefits to 3 organizations: Southern California Permanente Medical Group (San Diego, CA), Emergency Professional Services PC (Phoenix, AZ) and Bisbee Hospital Association (Hereford, AZ). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Brent Lorenzen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Brent Lorenzen accept?

Health plans from Blue Cross Blue Shield of Arizona list Brent Lorenzen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Brent Lorenzen was last updated on September 8, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.