Doctor profile · Federal record

Dr. Grant Chu, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Torrance, CA

  • NPI 1376793901
  • Accepts Medicare
  • 20 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
3500 Lomita Blvd, Suite 302
Torrance, CA 905055021
(310) 257-0129
fax (310) 257-0130
Additional location
2336 Santa Monica Blvd Ste 301
Santa Monica, CA 904042067
(310) 998-9118
fax (310) 829-9318
Additional location
501 Deep Valley Dr Ste 100
Rolling Hills Estates, CA 902747606
(310) 303-3953
fax (310) 303-7903
Mailing address
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631

Credentials & registration

NPPES · NUCC
NPI registered
September 2008 — 18 yrs on file
Profile last updated
August 27, 2019
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A101606

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376793901. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,968
Distinct HCPCS
10
Medicare allowed
$152,682
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 732 204 $99
97810 Acupuncture, initial 15 minutes 385 116 $42
20550 Injection into tendon or ligament 343 102 $64
97140 Therapy procedure using manual technique, each 15 minutes 243 74 $30
99214 Established patient office or other outpatient visit, 30-39 minutes 117 87 $139
99204 New patient office or other outpatient visit, 45-59 minutes 50 50 $183
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 39 17 $85
99203 New patient office or other outpatient visit, 30-44 minutes 27 27 $124
81002 Urinalysis, manual test 17 17 $3
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 15 15 $139

In context: peer comparison

Among 52 peers in Torrance Internal Medicine Physician, average services per provider: 143. This provider delivers 14× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
28
Patients
27
Total drug cost
$164
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 16 16 $119
Azithromycin Generic 12 11 $45

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Grant Chu's medical specialty?
Dr. Grant Chu practices Internal Medicine Physician in Torrance, CA.
Where does Dr. Grant Chu practice?
Dr. Grant Chu practices at 3500 Lomita Blvd, Torrance, CA 905055021. Office phone: 3102570129.
What is Dr. Grant Chu's NPI?
Dr. Grant Chu's National Provider Identifier (NPI) is 1376793901, issued by NPPES.
Does Dr. Grant Chu accept Medicare assignment?
Yes. Dr. Grant Chu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Grant Chu commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Acupuncture (HCPCS 97810); Injection into tendon or ligament (HCPCS 20550). Source: CMS Medicare Physician & Other Practitioners file.