Doctor profile · Federal record

Dr. Kristi Chang, MD

Otolaryngology Physician (CMS: Otolaryngology) · Iowa City, IA

  • NPI 1639160781
  • Accepts Medicare
  • 29 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 Hawkins Dr
Iowa City, IA 522421009
(319) 384-6657
fax (319) 356-4547

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
November 2, 2012
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207Y00000X — NUCC code
State license (1)
Iowa #34538
Medicaid
IA #0262014

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639160781. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
378
Distinct HCPCS
5
Medicare allowed
$27,663
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 135 99 $62
31575 Diagnostic exam of voice box using a flexible endoscope 108 79 $61
99214 Established patient office or other outpatient visit, 30-39 minutes 82 61 $91
99204 New patient office or other outpatient visit, 45-59 minutes 35 35 $124
15275 Application of skin substitute graft to wound of face, scalp, eyelids, mouth, neck, ears, around eyes, genitals, hands, feet, fingers, or toes, 25.0 sq cm or less of wound 100.0 sq cm or less 18 15 $53

In context: peer comparison

Among 8 peers in this city , average services per provider: 149. This provider delivers 2.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
59
Patients
16
Total drug cost
$471
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 26 0 $263
Chlorhexidine Gluconate Generic 22 16 $90
Nystatin Generic 11 0 $118

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kristi Chang's medical specialty?
Dr. Kristi Chang practices Otolaryngology Physician in Iowa City, IA.
Where does Dr. Kristi Chang practice?
Dr. Kristi Chang practices at 200 Hawkins Dr, Iowa City, IA 522421009. Office phone: 3193846657.
What is Dr. Kristi Chang's NPI?
Dr. Kristi Chang's National Provider Identifier (NPI) is 1639160781, issued by NPPES.
Does Dr. Kristi Chang accept Medicare assignment?
Yes. Dr. Kristi Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kristi Chang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Diagnostic exam of voice box using a flexible endoscope (HCPCS 31575); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.