DR. STEVEN DOUGLAS KASTER MD
NPI 1417950379
Internal Medicine - Gastroenterology in Columbia, MO
About Dr. Steven Douglas Kaster Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEVEN DOUGLAS KASTER MD (NPI 1417950379) is an individual gastroenterology provider in Columbia, Missouri, licensed in Missouri (108646) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS, is affiliated with Adventhealth Shawnee Mission, and maintains 5 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 5
Other Identifiers 1
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
Dr. Steven Douglas Kaster 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 Reassignments
8Medicare enrollment records show Steven Kaster reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Columbia, MO 65212
- Reassigned Medicare billing, Missouri enrollment
- 1,395 clinicians in this Medicare group
Carrollton, MO 64633
- Reassigned Medicare billing, Missouri enrollment
- 91 clinicians in this Medicare group
Windsor, MO 65360
- Reassigned Medicare billing, Missouri enrollment
- 220 clinicians in this Medicare group
Richmond, MO 64085
- Reassigned Medicare billing, Missouri enrollment
- 702 clinicians in this Medicare group
Cameron, MO 64429
- Reassigned Medicare billing, Missouri enrollment
- 116 clinicians in this Medicare group
Merriam, KS 66204
- Reassigned Medicare billing, Kansas enrollment
- 384 clinicians in this Medicare group
Charlottesville, VA 22911
- Reassigned Medicare billing, Virginia enrollment
- 307 clinicians in this Medicare group
Yakima, WA 98902
- Reassigned Medicare billing, Washington enrollment
- 565 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 2
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.
Adventhealth Shawnee Mission
Acute Care Hospitals · Shawnee Mission, KSCameron Regional Medical Center
Acute Care Hospitals · Cameron, MONorth Kansas City Hospital
Acute Care Hospitals · North Kansas City, MOGolden Valley Memorial Hospital
Acute Care Hospitals · Clinton, MOCarroll County Memorial Hospital
Critical Access Hospitals · Carrollton, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 65212 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
COLUMBIA, MO 65212
COLUMBIA, MO 65212
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 Steven Kaster's NPI number?
The NPI number for Steven Kaster is 1417950379. It was assigned to this individual provider in the NPPES registry on May 24, 2005.
Where is Steven Kaster located?
Steven Kaster practices at One Hospital Dr, Columbia, MO 65212. The listed phone number is (573) 884-8445.
What is Steven Kaster's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Steven Kaster enrolled in Medicare?
Yes. Steven Kaster 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 organizations bill Medicare for Steven Kaster's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Kaster reassigns Medicare benefits to 8 organizations: The Curators Of The University Of Missouri (Columbia, MO), Carroll County Memorial Hospital (Carrollton, MO), Golden Valley Memorial Hospital District (Windsor, MO), Meritas Health Corporation (Richmond, MO), Cameron Regional Medical Center Inc (Cameron, MO) and 3 more organizations, listed in the Medicare section above. Each 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 Steven Kaster's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Steven Kaster accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Ambetter of Oklahoma and Blue Cross and Blue Shield of Kansas City and 4 other insurers list Steven Kaster 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 Steven Kaster affiliated with any hospitals?
According to CMS data, Steven Kaster is affiliated with Adventhealth Shawnee Mission, Cameron Regional Medical Center, North Kansas City Hospital, Golden Valley Memorial Hospital and Carroll County Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Steven Kaster was last updated on May 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.