1. Home
  2. Directory
  3. California
  4. Torrance
  5. Psychiatry Neurology
  6. NPI Profile

DR. MATTHEW LOT KAI WONG M.D.
NPI 1851465686
Psychiatry & Neurology - Psychiatry in Torrance, CA

Active since November 20, 2006PECOS EnrolledAccepts Medicare Assignment
23700 CAMINO DEL SOL, TORRANCE, CA 90505(424) 400-7748(424) 400-7749 Get Directions Write a Review

NPPES record last updated: June 16, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 16, 2025, Apr 23, 2021 (2 updates tracked since 2021).

About Dr. Matthew Lot Kai Wong M.d. NPPES

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

DR. MATTHEW LOT KAI WONG M.D. (NPI 1851465686) is an individual psychiatry provider in Torrance, California, licensed in California (A84553) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2000).

NPPES Registry Identity

NPI1851465686
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. MATTHEW LOT KAI WONGCredential: M.D.
Location Address23700 CAMINO DEL SOLTorrance, CA 90505-5017
Mailing AddressPo Box 3003South Pasadena, CA 91031-6003 · (424) 400-7748
Phone(424) 400-7748
Fax(424) 400-7749
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateNovember 20, 2006
Last NPPES UpdateJune 16, 20252 updates tracked since enumeration
NPPES CertifiedJune 16, 2025
✔ NPI 1851465686 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · A84553
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
23700 CAMINO DEL SOL, Torrance, CA 90505
Open in Google Maps ↗

Secondary Practice Locations 2

Location 17133 E Cornell AveFresno, CA 93737-0048 · Phone (951) 907-6820
Location 22747 N Redda RdFresno, CA 93737-9619 · Phone (951) 907-6820

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. Matthew Lot Kai Wong M.d. 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 ID8426056425
PECOS Enrollment IDI20061130000226
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 Matthew Wong reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Matthew Wong MD, Inc
Same address
Psychiatry
23700 CAMINO DEL SOL
Torrance, CA 90505
  • Reassigned Medicare billing, California enrollment
  • 7 clinicians in this Medicare group
NPI 1851524433 (310) 530-1151
Special Service For Groups, Inc.
4.9 mi
Mental Health (Including Community Mental Health Center)
879 W 190TH ST, SUITES 320 350 360 380 390
Gardena, CA 90248
  • Reassigned Medicare billing, California enrollment
  • 131 clinicians in this Medicare group
NPI 1669503629 (310) 323-6887

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 3

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.

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.
121 services118 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
90 services89 patients
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.
27 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90505 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
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
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.

KEVIN STEPHANOFF, M.D., INC.
Psychiatry & Neurology (Psychiatry)
23700 CAMINO DEL SOL
TORRANCE, CA 90505
Los Angeles County (310) 308-9014
DR. LLOYD MYUNG LEE D.O.
Psychiatry & Neurology (Psychiatry)
23700 CAMINO DEL SOL
TORRANCE, CA 90505
Los Angeles County (310) 530-1151
ADDIS MEDICAL GROUP A MEDICAL CORPORATION
Psychiatry & Neurology (Psychiatry)
23700 CAMINO DEL SOL
TORRANCE, CA 90505
Los Angeles County (310) 530-1151
VALENTINA PARK MD
Psychiatry & Neurology (Psychiatry)
23700 CAMINO DEL SOL
TORRANCE, CA 90505
Los Angeles County (310) 530-1151
MR. RYAN RENDON RN
Registered Nurse
23700 CAMINO DEL SOL
TORRANCE, CA 90505
Los Angeles County (310) 530-1151
SARAH GRAGG
Social Worker
23700 CAMINO DEL SOL
TORRANCE, CA 90505
Los Angeles County (310) 784-2200
AMAKA IHEAKA RN
Nurse Practitioner (Psychiatric/Mental Health)
23700 CAMINO DEL SOL
TORRANCE, CA 90505
Los Angeles County (310) 530-1151
ESTHER U OKAFOR FNP/PMHNP/DNP
Nurse Practitioner (Psychiatric/Mental Health)
23700 CAMINO DEL SOL
TORRANCE, CA 90505
Los Angeles County (310) 530-1151

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 Matthew Wong's NPI number?

The NPI number for Matthew Wong is 1851465686. It was assigned to this individual provider in the NPPES registry on November 20, 2006.

Where is Matthew Wong located?

Matthew Wong practices at 23700 Camino Del Sol, Torrance, CA 90505. The listed phone number is (424) 400-7748.

What is Matthew Wong's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Matthew Wong enrolled in Medicare?

Yes. Matthew Wong 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 Matthew Wong's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Wong reassigns Medicare benefits to 2 organizations: Matthew Wong MD, Inc (Torrance, CA) and Special Service For Groups, Inc. (Gardena, CA). 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 Matthew Wong'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 Matthew Wong was last updated on June 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.