Doctor profile · Federal record

Dr. David Chen, MD

Internal Medicine Physician · Hartford, WI

  • NPI 1124037254
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1640 E Sumner St
Hartford, WI 53027
(262) 670-4000
fax (262) 670-4451
Mailing address
3003 W Good Hope RD
Milwaukee, WI 532092042

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 13, 2022
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Wisconsin #33242
Medicaid
WI #31835500

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124037254. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
704
Distinct HCPCS
10
Medicare allowed
$58,928
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 223 129 $85
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 119 119 $122
G0008 Administration of influenza virus vaccine 60 58 $29
90662 Influenza vaccine split virus, preservative free 59 57 $72
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 57 26 $74
99214 Established patient office or other outpatient visit, 30-39 minutes 48 37 $120
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 46 44 $160
93793 Anticoagulant management of patient taking warfarin 31 15 $11
99238 Hospital discharge day management, 30 minutes or less 18 18 $76
83036 Hemoglobin a1c level 15 14 $10

In context: peer comparison

Among 1 peers in this city , average services per provider: 58. This provider delivers 12× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,900
Patients
806
Total drug cost
$40,143
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 312 88 $4,515
Lisinopril Generic 294 81 $1,997
Metoprolol Succinate Generic 237 61 $5,387
Amlodipine Besylate Generic 223 64 $1,418
Levothyroxine Sodium Generic 217 65 $3,701
Pantoprazole Sodium Generic 217 64 $3,988
Metformin Hcl Generic 191 54 $2,179
Losartan Potassium Generic 183 57 $2,844
Warfarin Sodium Generic 170 38 $3,325
Furosemide Generic 164 48 $1,209

Frequently asked questions

Auto-generated from federal data
What is Dr. David Chen's medical specialty?
Dr. David Chen practices Internal Medicine Physician in Hartford, WI.
Where does Dr. David Chen practice?
Dr. David Chen practices at 1640 E Sumner St, Hartford, WI 53027. Office phone: 2626704000.
What is Dr. David Chen's NPI?
Dr. David Chen's National Provider Identifier (NPI) is 1124037254, issued by NPPES.
What procedures does Dr. David 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); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.