Doctor profile · Federal record

Dr. Weijing Sun, MD

Medical Oncology Physician (CMS: Medical Oncology) · Medical Oncology Physician · Westwood, KS

  • NPI 1811925316
  • Accepts Medicare
  • MIPS 87.6 / 100 · 2023
  • 44 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2650 Shawnee Mission Pkwy
Westwood, KS 662052003
(913) 588-1227
Mailing address
2330 Shawnee Mission Pkwy
Westwood, KS 662052005

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
September 18, 2023
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State licenses (2)
Kansas #04-40176 · Missouri #2017033854
Medicaid
PA #0018307410001

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811925316. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
458
Distinct HCPCS
7
Medicare allowed
$59,645
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 301 104 $133
99214 Established patient office or other outpatient visit, 30-39 minutes 40 33 $93
99205 New patient office or other outpatient visit, 60-74 minutes 37 37 $172
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 29 28 $166
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 23 23 $124
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 16 14 $30
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 12 11 $114

In context: peer comparison

Among 3 peers in this city , average services per provider: 100. This provider delivers 4.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$37,295
Transactions
31
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Ipsen Biopharmaceuticals, Inc 16 $22,528.26
Astellas Pharma US Inc 11 $13,832.00
AstraZeneca Pharmaceuticals LP 2 $660.00
BeiGene USA, Inc. 2 $274.26

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$30,195
Travel and Lodging
$4,796
Food and Beverage
$1,779
Consulting Fee
$525

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
161
Patients
34
Total drug cost
$41,030
Drug Type Claims Patients Total cost
Dexamethasone Generic 23 16 $393
Levothyroxine Sodium Generic 20 0 $115
Ondansetron Hcl Generic 20 18 $318
Gabapentin Generic 19 0 $467
Potassium Chloride Generic 15 0 $242
Creon (Lipase/Protease/Amylase) Brand 14 0 $32,130
Prochlorperazine Maleate Generic 14 0 $233
Olanzapine Generic 13 0 $254
Methylprednisolone Generic 12 0 $123
Eliquis (Apixaban) Brand 11 0 $6,754

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Weijing Sun's medical specialty?
Dr. Weijing Sun practices Medical Oncology Physician in Westwood, KS.
Where does Dr. Weijing Sun practice?
Dr. Weijing Sun practices at 2650 Shawnee Mission Pkwy, Westwood, KS 662052003. Office phone: 9135881227.
What is Dr. Weijing Sun's NPI?
Dr. Weijing Sun's National Provider Identifier (NPI) is 1811925316, issued by NPPES.
Does Dr. Weijing Sun accept Medicare assignment?
Yes. Dr. Weijing Sun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Weijing Sun commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.