Doctor profile · Federal record

Dr. Shaw Chen, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Los Angeles, CA

  • NPI 1043233281
  • Accepts Medicare
  • MIPS 92.1 / 100 · 2023
  • 41 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1701 E Cesar E Chavez Ave, Suite #100
Los Angeles, CA 900332464
(323) 987-1362
fax (323) 987-1366
Mailing address
Po Box 51741
Los Angeles, CA 900516041

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 9, 2007
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #G072500
Medicaid
CA #00G725000

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043233281. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
251
Distinct HCPCS
5
Medicare allowed
$28,519
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 132 82 $140
99213 Established patient office or other outpatient visit, 20-29 minutes 75 53 $100
G0008 Administration of influenza virus vaccine 20 20 $32
90686 Influenza vaccine, quadrivalent, preservative free, 0.5 ml dosage 13 13 $20
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 11 11 $144

In context: peer comparison

Among 262 peers in Los Angeles Internal Medicine Physician, average services per provider: 160. This provider delivers 1.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$511
Transactions
23
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Bayer Healthcare Pharmaceuticals INC. 7 $159.21
Lilly USA, LLC 6 $115.21
Recordati_Rare_Diseases_INC. 4 $96.90
Abbvie INC. 3 $73.39
Boehringer Ingelheim Pharmaceuticals, INC. 2 $47.39
Insulet Corporation 1 $18.56

By nature of payment

Food and Beverage
$511

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,775
Patients
592
Total drug cost
$44,157
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 323 108 $6,316
Losartan Potassium Generic 191 64 $3,215
Metformin Hcl Generic 164 54 $2,602
Amlodipine Besylate Generic 153 51 $1,899
Lisinopril Generic 149 47 $1,892
Omeprazole Generic 141 47 $2,523
Gabapentin Generic 110 37 $2,467
Tamsulosin Hcl Generic 92 30 $1,950
Metoprolol Succinate Generic 85 24 $1,814
Metoprolol Tartrate Generic 74 19 $1,057

Frequently asked questions

Auto-generated from federal data
What is Dr. Shaw Chen's medical specialty?
Dr. Shaw Chen practices Internal Medicine Physician in Los Angeles, CA.
Where does Dr. Shaw Chen practice?
Dr. Shaw Chen practices at 1701 E Cesar E Chavez Ave, Los Angeles, CA 900332464. Office phone: 3239871362.
What is Dr. Shaw Chen's NPI?
Dr. Shaw Chen's National Provider Identifier (NPI) is 1043233281, issued by NPPES.
Does Dr. Shaw Chen accept Medicare assignment?
Yes. Dr. Shaw Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Shaw Chen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.