MS. KRISTI E CHANG MD
NPI 1639160781
Otolaryngology in Iowa City, IA
About Ms. Kristi E Chang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. KRISTI E CHANG MD (NPI 1639160781) is an individual otolaryngology provider in Iowa City, Iowa, licensed in Iowa (34538) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS, is affiliated with University Of Iowa Health Care Medical Center Down, and maintains a secondary practice location in Iowa City.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ms. Kristi E Chang Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Kristi Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Iowa City, IA 52242
- Reassigned Medicare billing, Iowa enrollment
- 2,190 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Iowa Health Care Medical Center Down
Acute Care Hospitals · Iowa City, IAUniversity Of Iowa Hospital & Clinics
Acute Care Hospitals · Iowa City, IAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 52242 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 5
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
IOWA CITY, IA 52242
IOWA CITY, IA 52242
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Kristi Chang's NPI number?
The NPI number for Kristi Chang is 1639160781. It was assigned to this individual provider in the NPPES registry on October 28, 2005.
Where is Kristi Chang located?
Kristi Chang practices at 200 Hawkins Dr, Iowa City, IA 52242. The listed phone number is (319) 384-6657.
What is Kristi Chang's specialty?
The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.
Is Kristi Chang enrolled in Medicare?
Yes. Kristi Chang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Kristi Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kristi Chang reassigns Medicare benefits to State University Of Iowa (Iowa City, IA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kristi Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kristi Chang accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Oscar Insurance Company and 2 other insurers list Kristi Chang as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Kristi Chang affiliated with any hospitals?
According to CMS data, Kristi Chang is affiliated with University Of Iowa Health Care Medical Center Down and University Of Iowa Hospital & Clinics.
When was this NPI record last updated?
The NPPES record for Kristi Chang was last updated on October 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ms. Kristi E Chang, MD · NPI 1639160781
Otolaryngology physician in Iowa City, Iowa. Individual provider, active in the CMS NPPES registry since October 28, 2005.
## Identity
- **NPI:** 1639160781 (Entity type: Individual)
- **Enumerated:** October 28, 2005
- **Primary specialty:** Otolaryngology · taxonomy 207Y00000X
- **State license:** 34538 (Iowa)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 HAWKINS DR, Iowa City, IA 52242-1009
- **Phone:** (319) 384-6657 · **Fax:** (319) 356-4547
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** State University Of Iowa (NPI 1114905387, Iowa City, IA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** October 13, 2026
- **Other identifiers:** Other 46384 (IA); Medicaid 0262014 (IA)
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Source: [NPI Profile](https://npiprofile.com/npi/1639160781) · Data from the CMS NPPES public registry.