Doctor profile · Federal record

Dr. Thomas Chen, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Las Vegas, NV

  • NPI 1992875538
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
653N Town Center Dr 404
Las Vegas, NV 891440518
(702) 454-0014
fax (702) 454-0018
Mailing address
Po Box 370908
Las Vegas, NV 891370908

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
October 9, 2015
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Nevada #8155

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1992875538. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
639
Distinct HCPCS
9
Medicare allowed
$52,252
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 293 182 $90
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 76 76 $128
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free 57 56 $33
G0008 Administration of influenza virus vaccine 57 56 $31
99497 Advance care planning, first 30 minutes 56 56 $82
G0442 Annual alcohol misuse screening, 5 to 15 minutes 27 27 $18
G0444 Annual depression screening, 5 to 15 minutes 27 27 $18
G0009 Administration of pneumococcal vaccine 24 24 $31
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 22 22 $283

In context: peer comparison

Among 194 peers in Las Vegas Internal Medicine Physician, average services per provider: 170. This provider delivers 3.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$364
Transactions
17
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 6 $100.55
Pfizer INC. 4 $100.22
Amgen INC. 2 $53.93
Merck Sharp & Dohme LLC 2 $49.16
GlaxoSmithKline, LLC. 2 $41.26
Boehringer Ingelheim Pharmaceuticals, INC. 1 $18.39

By nature of payment

Food and Beverage
$364

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,867
Patients
1,381
Total drug cost
$44,569
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 672 188 $3,237
Rosuvastatin Calcium Generic 632 173 $7,059
Atorvastatin Calcium Generic 585 177 $5,327
Losartan Potassium Generic 526 150 $5,329
Lisinopril Generic 404 107 $2,098
Levothyroxine Sodium Generic 338 96 $4,493
Metformin Hcl ER (Metformin Hcl) Brand 287 81 $2,430
Pravastatin Sodium Generic 260 81 $3,179
Tamsulosin Hcl Generic 209 56 $2,390
Simvastatin Generic 194 50 $1,223

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Chen's medical specialty?
Dr. Thomas Chen practices Internal Medicine Physician in Las Vegas, NV.
Where does Dr. Thomas Chen practice?
Dr. Thomas Chen practices at 653N Town Center Dr 404, Las Vegas, NV 891440518. Office phone: 7024540014.
What is Dr. Thomas Chen's NPI?
Dr. Thomas Chen's National Provider Identifier (NPI) is 1992875538, issued by NPPES.
Does Dr. Thomas Chen accept Medicare assignment?
Yes. Dr. Thomas Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Chen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free (HCPCS 90674). Source: CMS Medicare Physician & Other Practitioners file.