Doctor profile · Federal record

Dr. Chang Xun, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Pittsburg, KS

  • NPI 1992983498
  • Accepts Medicare
  • MIPS 77.4 / 100 · 2023
  • 43 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Mt. Carmel Way
Pittsburg, KS 66762
(620) 231-6100
fax (620) 231-0081
Mailing address
1 Mt Carmel Way
Pittsburg, KS 667627587

Credentials & registration

NPPES · NUCC
NPI registered
February 2008 — 18 yrs on file
Profile last updated
December 1, 2016
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Kansas #04-33466
Medicaid
KS #200587101A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1992983498. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
555
Distinct HCPCS
2
Medicare allowed
$51,083
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 536 145 $91
99215 Established patient office or other outpatient visit, 40-54 minutes 19 11 $116

In context: peer comparison

Among 1 peers in this city , average services per provider: 277. This provider delivers 2.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$4,563
Transactions
21
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
TAIHO ONCOLOGY, INC. 2 $2,115.87
AstraZeneca Pharmaceuticals LP 3 $2,098.55
Takeda Pharmaceuticals U.S.A., Inc. 2 $55.50
Eisai Inc. 2 $37.60
GlaxoSmithKline, LLC. 2 $35.63
Legend Biotech USA Inc. 1 $26.96
GENZYME CORPORATION 1 $26.82
ABBVIE INC. 1 $25.72
PharmaEssentia USA Corporation 1 $20.69
SOBI, INC 1 $20.09
Daiichi Sankyo Inc. 1 $18.69
Novartis Pharmaceuticals Corporation 1 $17.49
Gilead Sciences, Inc. 1 $17.30
Ipsen Biopharmaceuticals, Inc 1 $16.24
Stemline Therapeutics Inc. 1 $15.06

By nature of payment

Consulting Fee
$4,148
Food and Beverage
$389
Education
$26

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
418
Patients
48
Total drug cost
$1,068,845
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 84 23 $908
Anastrozole Generic 49 14 $1,130
Tamoxifen Citrate Generic 43 11 $2,171
Hydroxyurea Generic 32 0 $1,579
Levothyroxine Sodium Generic 29 0 $649
Imbruvica (Ibrutinib) Brand 27 0 $380,877
Alprazolam Generic 26 0 $253
Calquence (Acalabrutinib Maleate) Brand 19 0 $300,353
Lenalidomide Generic 18 0 $311,814
Morphine Sulfate Er (Morphine Sulfate) Brand 17 0 $660

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Chang Xun's medical specialty?
Dr. Chang Xun practices Hematology & Oncology Physician in Pittsburg, KS.
Where does Dr. Chang Xun practice?
Dr. Chang Xun practices at 1 Mt. Carmel Way, Pittsburg, KS 66762. Office phone: 6202316100.
What is Dr. Chang Xun's NPI?
Dr. Chang Xun's National Provider Identifier (NPI) is 1992983498, issued by NPPES.
Does Dr. Chang Xun accept Medicare assignment?
Yes. Dr. Chang Xun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chang Xun 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 99215). Source: CMS Medicare Physician & Other Practitioners file.