Doctor profile · Federal record

Dr. Andrew Chen, MD

Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Kalamazoo, MI

  • NPI 1457855546
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
601 John St Ste M-170
Kalamazoo, MI 490075366
(269) 381-5060
Additional location
The Ohio State University Wexner Medical Center, 395 W 12Th Avenue, Third Floor
Columbus, OH 43210
(614) 293-3989
fax (614) 293-9789
Mailing address
The Ohio State University Wexner Medical Center, 395 W 12Th Avenue, Third Floor
Columbus, OH 43210

Credentials & registration

NPPES · NUCC
NPI registered
March 2018 — 8 yrs on file
Profile last updated
July 6, 2021
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Michigan #4301504850

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457855546. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
580
Distinct HCPCS
5
Medicare allowed
$37,505
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 354 189 $72
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 123 123 $22
99215 Established patient office or other outpatient visit, 40-54 minutes 45 38 $97
99213 Established patient office or other outpatient visit, 20-29 minutes 36 30 $59
99204 New patient office or other outpatient visit, 45-59 minutes 22 22 $122

In context: peer comparison

Among 57 peers in this city , average services per provider: 93. This provider delivers 6.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$182
Transactions
10
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Chiesi USA, Inc. 4 $73.83
Novo Nordisk Inc 3 $56.44
Abbott Laboratories 1 $24.25
Amgen Inc. 1 $14.61
Lilly USA, LLC 1 $13.22

By nature of payment

Food and Beverage
$182

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,780
Patients
1,095
Total drug cost
$76,858
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 667 187 $13,715
Levothyroxine Sodium Generic 516 132 $9,803
Amlodipine Besylate Generic 388 112 $4,751
Losartan Potassium Generic 253 80 $4,931
Metoprolol Succinate Generic 233 67 $5,578
Omeprazole Generic 209 70 $4,203
Gabapentin Generic 204 50 $4,446
Pantoprazole Sodium Generic 194 54 $4,520
Lisinopril Generic 189 55 $1,988
Rosuvastatin Calcium Generic 185 66 $6,755

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrew Chen's medical specialty?
Dr. Andrew Chen practices Internal Medicine Physician in Kalamazoo, MI.
Where does Dr. Andrew Chen practice?
Dr. Andrew Chen practices at 601 John St Ste M-170, Kalamazoo, MI 490075366. Office phone: 2693815060.
What is Dr. Andrew Chen's NPI?
Dr. Andrew Chen's National Provider Identifier (NPI) is 1457855546, issued by NPPES.
Does Dr. Andrew Chen accept Medicare assignment?
Yes. Dr. Andrew Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Chen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.