Doctor profile · Federal record

Dr. Chia-Wai Chang, MD

Otolaryngology Physician (CMS: Otolaryngology) · Plastic Surgery Within the Head & Neck (Otolaryngology) Physician · Columbia, MO

  • NPI 1013975986
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 27 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
812 N Keene St
Columbia, MO 652016633
(573) 817-3000
fax (573) 876-6950
Mailing address
Po Box 7687
Columbia, MO 652057687

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
October 5, 2022
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207Y00000X — NUCC code
State license (1)
Missouri #2005023723

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013975986. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
935
Distinct HCPCS
9
Medicare allowed
$29,715
HCPCS Description Services Patients Avg allowed
95165 Professional service for preparation and provision of 1 or more antigens 545 33 $13
95117 Professional service for multiple injections of allergen 69 18 $10
95115 Professional service for single injection of allergen 61 14 $9
31231 Diagnostic exam of nasal passages using an endoscope 58 37 $62
99214 Established patient office or other outpatient visit, 30-39 minutes 52 43 $93
99203 New patient office or other outpatient visit, 30-44 minutes 50 50 $79
99213 Established patient office or other outpatient visit, 20-29 minutes 41 38 $63
99204 New patient office or other outpatient visit, 45-59 minutes 39 39 $127
31575 Diagnostic exam of voice box using a flexible endoscope 20 19 $64

In context: peer comparison

Among 9 peers in this city , average services per provider: 69. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$258
Transactions
9
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Inspire Medical Systems, Inc. 2 $112.48
Takeda Pharmaceuticals U.S.A., Inc. 3 $65.52
Regeneron Healthcare Solutions, Inc. 1 $27.05
BioCryst US Sales Co., LLC 1 $23.20
Pharming Healthcare, Inc. 1 $15.77
Grifols USA, LLC 1 $14.13

By nature of payment

Food and Beverage
$258

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
160
Patients
41
Total drug cost
$3,276
Drug Type Claims Patients Total cost
Fluticasone Propionate Generic 93 29 $1,219
Ipratropium Bromide Generic 29 12 $1,331
Doxycycline Hyclate Generic 19 0 $579
Mupirocin Generic 19 0 $146

Frequently asked questions

Auto-generated from federal data
What is Dr. Chia-Wai Chang's medical specialty?
Dr. Chia-Wai Chang practices Otolaryngology Physician in Columbia, MO.
Where does Dr. Chia-Wai Chang practice?
Dr. Chia-Wai Chang practices at 812 N Keene St, Columbia, MO 652016633. Office phone: 5738173000.
What is Dr. Chia-Wai Chang's NPI?
Dr. Chia-Wai Chang's National Provider Identifier (NPI) is 1013975986, issued by NPPES.
Does Dr. Chia-Wai Chang accept Medicare assignment?
Yes. Dr. Chia-Wai Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chia-Wai Chang commonly perform?
Top Medicare-reported procedures in 2023: Professional service for preparation and provision of 1 or more antigens (HCPCS 95165); Professional service for multiple injections of allergen (HCPCS 95117); Professional service for single injection of allergen (HCPCS 95115). Source: CMS Medicare Physician & Other Practitioners file.