MELISSA ANN CHISTON MD
NPI 1134440886
Internal Medicine - Rheumatology in Ames, IA
About Melissa Ann Chiston Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MELISSA ANN CHISTON MD (NPI 1134440886) is an individual rheumatology provider in Ames, Iowa, licensed in Iowa (48288) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS, is affiliated with Trinity Regional Medical Center, and is a graduate of University Of Kansas School Of Med (kc/wich/sal) (2010).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Melissa Ann Chiston 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.
Areas of Expertise CMS Part B claims 44
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Trinity Regional Medical Center
Acute Care Hospitals · Fort Dodge, IAMercyone North Iowa Medical Center
Acute Care Hospitals · Mason City, IAKossuth Regional Health Center
Critical Access Hospitals · Algona, IABoone County Hospital
Critical Access Hospitals · Boone, IAHansen Family Hospital
Critical Access Hospitals · Iowa Falls, IAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 50010 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
AMES, IA 50010
AMES, IA 50010
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 Melissa Chiston's NPI number?
The NPI number for Melissa Chiston is 1134440886. It was assigned to this individual provider in the NPPES registry on June 17, 2010. The provider is also known as Melissa Wells MD.
Where is Melissa Chiston located?
Melissa Chiston practices at 3500 University Blvd, Ames, IA 50010. The listed phone number is (515) 239-4775.
What is Melissa Chiston's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Melissa Chiston enrolled in Medicare?
Yes. Melissa Chiston 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.
What insurance does Melissa Chiston accept?
Health plans from Medica list Melissa Chiston 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 Melissa Chiston affiliated with any hospitals?
According to CMS data, Melissa Chiston is affiliated with Trinity Regional Medical Center, Mercyone North Iowa Medical Center, Kossuth Regional Health Center, Boone County Hospital and Hansen Family Hospital.
When was this NPI record last updated?
The NPPES record for Melissa Chiston was last updated on December 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.