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DR. ANDREW JOSEPH HERZIK M.D.
NPI 1659726784
Emergency Medicine in Los Angeles, CA

Active since April 26, 2016PECOS Enrolled
1225 WILSHIRE BLVD, LOS ANGELES, CA 90017(213) 977-2121 Get Directions Write a Review

NPPES record last updated: August 6, 2019. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Dr. Andrew Joseph Herzik M.d. NPPES

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

DR. ANDREW JOSEPH HERZIK M.D. (NPI 1659726784) is an individual emergency medicine provider in Los Angeles, California, licensed in California (A145801) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1659726784
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. ANDREW JOSEPH HERZIKCredential: M.D.
Location Address1225 WILSHIRE BLVDLos Angeles, CA 90017-1901
Mailing AddressPo Box 31309Los Angeles, CA 90031-0309 · (213) 977-2121
Phone(213) 977-2121
Sole ProprietorNo
Enumeration DateApril 26, 2016
Last NPPES UpdateAugust 6, 2019
✔ NPI 1659726784 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 · A145801
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.
1225 WILSHIRE BLVD, Los Angeles, CA 90017
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Andrew Joseph Herzik 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 Reassignment

Medicare enrollment records show Andrew Herzik reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Usc Care Medical Group, Inc
3.6 mi
General Practice
1520 SAN PABLO ST
Los Angeles, CA 90033
  • Reassigned Medicare billing, California enrollment
  • 2,445 clinicians in this Medicare group
NPI 1902846306 (323) 442-5955

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

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
256 services252 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
96 services93 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
89 services89 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
18 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90017 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

DR. TAYLOR WILSON BURKHOLDER MD
Emergency Medicine
1225 WILSHIRE BLVD
LOS ANGELES, CA 90017
Los Angeles County (213) 977-2121
MR. ALEXANDER SANGKYOO LEE MD
Emergency Medicine
1225 WILSHIRE BLVD
LOS ANGELES, CA 90017
Los Angeles County (213) 977-2121
OLUFEMI Y SALIU, M.D., APC
Anesthesiology
1225 WILSHIRE BLVD
LOS ANGELES, CA 90017
Los Angeles County (800) 883-7243
DR. JOYCE JA HYUN SHIN MD
Anesthesiology
1225 WILSHIRE BLVD
LOS ANGELES, CA 90017
Los Angeles County (213) 977-2121
DR. SONIA SANI
Internal Medicine
1225 WILSHIRE BLVD
LOS ANGELES, CA 90017
Los Angeles County (213) 977-2121
MARIANA ZELIA MARTINEZ MD
Emergency Medicine
1225 WILSHIRE BLVD
LOS ANGELES, CA 90017
Los Angeles County (213) 977-2121
DR. KUNAL DESAI M.D.
Anesthesiology
1225 WILSHIRE BLVD
LOS ANGELES, CA 90017
Los Angeles County (213) 977-2121
NEGIN TORFEH SOUFI SIAVASH PHARMD
Pharmacist
1225 WILSHIRE BLVD
LOS ANGELES, CA 90017
Los Angeles County (213) 977-2121

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 Andrew Herzik's NPI number?

The NPI number for Andrew Herzik is 1659726784. It was assigned to this individual provider in the NPPES registry on April 26, 2016.

Where is Andrew Herzik located?

Andrew Herzik practices at 1225 Wilshire Blvd, Los Angeles, CA 90017. The listed phone number is (213) 977-2121.

What is Andrew Herzik's specialty?

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

Is Andrew Herzik enrolled in Medicare?

Yes. Andrew Herzik is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Andrew Herzik's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Herzik reassigns Medicare benefits to Usc Care Medical Group, Inc (Los Angeles, CA). The 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 Andrew Herzik's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Andrew Herzik was last updated on August 6, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.