Doctor profile · Federal record

Dr. Xiaogang Zhang, MD

Internal Medicine Physician (CMS: Internal Medicine) · Kalamazoo, MI

  • NPI 1083678601
  • Accepts Medicare
  • 42 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
601 John St, Suite M-170
Kalamazoo, MI 490075341
(269) 381-5060
fax (269) 381-1655

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
November 27, 2023
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Wisconsin #40062-020
Medicaid
WI #32642900

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083678601. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
740
Distinct HCPCS
9
Medicare allowed
$53,744
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 249 145 $81
99213 Established patient office or other outpatient visit, 20-29 minutes 163 113 $63
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 139 139 $30
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 57 19 $78
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 56 23 $117
99239 Hospital discharge day management, more than 30 minutes 33 25 $112
99204 New patient office or other outpatient visit, 45-59 minutes 21 21 $131
99215 Established patient office or other outpatient visit, 40-54 minutes 11 11 $124
99423 Online digital evaluation and management service for an established patient for up to 7 days, total time 21 or more minutes 11 11 $35

In context: peer comparison

Among 57 peers in Kalamazoo Internal Medicine Physician, average services per provider: 93. This provider delivers 8.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$20
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 1 $20.05

By nature of payment

Food and Beverage
$20

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,125
Patients
1,200
Total drug cost
$240,736
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 724 203 $15,132
Omeprazole Generic 416 120 $8,082
Levothyroxine Sodium Generic 410 115 $8,309
Amlodipine Besylate Generic 395 117 $4,368
Rosuvastatin Calcium Generic 348 102 $11,996
Losartan Potassium Generic 252 83 $5,443
Lisinopril Generic 239 78 $2,608
Metoprolol Succinate Generic 230 71 $6,363
Gabapentin Generic 214 66 $6,046
Eliquis (Apixaban) Brand 167 37 $163,313

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Xiaogang Zhang's medical specialty?
Dr. Xiaogang Zhang practices Internal Medicine Physician in Kalamazoo, MI.
Where does Dr. Xiaogang Zhang practice?
Dr. Xiaogang Zhang practices at 601 John St, Kalamazoo, MI 490075341. Office phone: 2693815060.
What is Dr. Xiaogang Zhang's NPI?
Dr. Xiaogang Zhang's National Provider Identifier (NPI) is 1083678601, issued by NPPES.
Does Dr. Xiaogang Zhang accept Medicare assignment?
Yes. Dr. Xiaogang Zhang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Xiaogang Zhang 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); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.