DR. KEITH W. ELLIS MD
NPI 1033275896
Internal Medicine in Springfield, MO
About Dr. Keith W. Ellis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KEITH W. ELLIS MD (NPI 1033275896) is an individual internal medicine provider in Springfield, Missouri, licensed in Missouri (2000151548) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Lebanon, and is a graduate of Texas A & M University System, Hsc, College Of Medicine (1997).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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. Keith W. Ellis 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 Keith Ellis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Springfield, MO 65807
- Reassigned Medicare billing, Missouri enrollment
- 1,565 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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital Lebanon
Acute Care Hospitals · Lebanon, MOMercy Hospital Springfield
Acute Care Hospitals · Springfield, MOCitizens Memorial Hospital
Acute Care Hospitals · Bolivar, MOMercy Hospital Aurora
Critical Access Hospitals · Aurora, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 65804 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.
SPRINGFIELD, MO 65804
SPRINGFIELD, MO 65804
SPRINGFIELD, MO 65804
SPRINGFIELD, MO 65804
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 Keith Ellis's NPI number?
The NPI number for Keith Ellis is 1033275896. It was assigned to this individual provider in the NPPES registry on December 28, 2006.
Where is Keith Ellis located?
Keith Ellis practices at 2115 S Fremont Ave Suite 2300, Springfield, MO 65804. The listed phone number is (417) 820-5600.
What is Keith Ellis's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Keith Ellis enrolled in Medicare?
Yes. Keith Ellis 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 Keith Ellis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Keith Ellis reassigns Medicare benefits to Mercy Clinic Springfield Communities (Springfield, MO). 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 Keith Ellis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Keith Ellis affiliated with any hospitals?
According to CMS data, Keith Ellis is affiliated with Mercy Hospital Lebanon, Mercy Hospital Springfield, Citizens Memorial Hospital and Mercy Hospital Aurora.
When was this NPI record last updated?
The NPPES record for Keith Ellis was last updated on July 14, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.
# Dr. Keith W. Ellis, MD · NPI 1033275896
Internal Medicine physician in Springfield, Missouri. Individual provider, active in the CMS NPPES registry since December 28, 2006.
## Identity
- **NPI:** 1033275896 (Entity type: Individual)
- **Enumerated:** December 28, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 2000151548 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 2115 S FREMONT AVE, SUITE 2300, Springfield, MO 65804-2239
- **Phone:** (417) 820-5600 · **Fax:** (417) 820-5606
## 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:** Mercy Clinic Springfield Communities (NPI 1245277631, Springfield, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Texas A & M University System, Hsc, College Of Medicine, class of 1997
## Record status
- **NPPES last updated:** July 14, 2008
- **Other identifiers:** Medicaid 204963003 (MO); Medicare UPIN H13869 (MO); Medicare ID-Type Unspecified 263013268 (MO); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1033275896) · Data from the CMS NPPES public registry.