DR. ANDREW NGUYEN
NPI 1437464997
Surgery - Surgical Critical Care in Torrance, CA

Active since August 09, 2010PECOS EnrolledAccepts Medicare Assignment
85.18/100
CMS Quality Rating
1000 W CARSON ST # 461, TORRANCE, CA 90502(310) 222-2700(310) 533-1841 Get Directions Write a Review

NPPES record last updated: September 24, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Andrew Nguyen NPPES

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

DR. ANDREW NGUYEN (NPI 1437464997) is an individual surgical critical care provider in Torrance, California, licensed in California (A120107) and active in the NPI registry since August 2010. He is enrolled in Medicare PECOS, maintains a secondary practice location in Moreno Valley, and is a graduate of University Of California, Geffen School Of Medicine (2010).

NPPES Registry Identity

NPI1437464997
Entity TypeIndividualMale
Primary Taxonomy2086S0102X
Provider Legal NameDR. ANDREW NGUYEN
Location Address1000 W CARSON ST # 461Torrance, CA 90502-2004
Mailing Address1000 W Carson St # 461Torrance, CA 90502-2004 · (310) 222-2700 · Fax (310) 533-1841
Fax(310) 533-1841
Sole ProprietorNo
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 2010
Enumeration DateAugust 9, 2010
Last NPPES UpdateSeptember 24, 2018
✔ NPI 1437464997 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgery · Surgical Critical CareAllopathic & Osteopathic Physicians
Taxonomy Code2086S0102X
License✔ Licensed in CA · A120107
Definition
A surgeon with expertise in the management of the critically ill and postoperative patient, particularly the trauma victim, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedSurgeryTaxonomy 208600000X · License A120107 (CA)
1000 W CARSON ST # 461, Torrance, CA 90502

Secondary Practice Location 1

Location 126520 Cactus AveMoreno Valley, CA 92555-3927 · Phone (909) 486-4460

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Andrew Nguyen is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6507153855
PECOS Enrollment IDI20180829003029
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

2

Medicare enrollment records show Andrew Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Transplant Surgery
1505 WILSON TERRACE, SUITE 155
Glendale, CA 91206
  • Reassigned Medicare billing, California enrollment
  • 2,584 clinicians in this Medicare group
Emergency Care
22 S GREENE ST
Baltimore, MD 21201
  • Reassigned Medicare billing, Maryland enrollment
  • Medicare enrollment name: Shock Trauma Associates PA
  • 541 clinicians in this Medicare group

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 6

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
151 services75 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
67 services64 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.
33 services19 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
28 services28 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
17 services12 patients
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.
17 services17 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

85.18/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality71.81
Promoting Interoperability82
Improvement Activities40
Cost64.54

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.

Student in an Organized Health Care Education/Training Program
1000 W CARSON ST # 461
TORRANCE, CA 90502
Student in an Organized Health Care Education/Training Program
1000 W CARSON ST # 461
TORRANCE, CA 90502
Student in an Organized Health Care Education/Training Program
1000 W CARSON ST # 461
TORRANCE, CA 90502
Student in an Organized Health Care Education/Training Program
1000 W CARSON ST # 461
TORRANCE, CA 90502
Student in an Organized Health Care Education/Training Program
1000 W CARSON ST # 461
TORRANCE, CA 90502
Student in an Organized Health Care Education/Training Program
1000 W CARSON ST # 461
TORRANCE, CA 90502
Student in an Organized Health Care Education/Training Program
1000 W CARSON ST # 461
TORRANCE, CA 90502
Student in an Organized Health Care Education/Training Program
1000 W CARSON ST # 461, HARBOR-UCLA MEDICAL CENTER
TORRANCE, CA 90502

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 Nguyen's NPI number?

The NPI number for Andrew Nguyen is 1437464997. It was assigned to this individual provider in the NPPES registry on August 9, 2010.

Where is Andrew Nguyen located?

Andrew Nguyen practices at 1000 W Carson St # 461, Torrance, CA 90502. The listed phone number is (310) 222-2700.

What is Andrew Nguyen's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Surgical Critical Care, with taxonomy code 2086S0102X.

Is Andrew Nguyen enrolled in Medicare?

Yes. Andrew Nguyen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Andrew Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Nguyen reassigns Medicare benefits to 2 organizations: Faculty Physicians And Surgeons Of Llusm (Glendale, CA) and Shock Trauma Associates, P.A. (Baltimore, MD). 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 Andrew Nguyen'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 Nguyen was last updated on September 24, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.