STEPHEN T KEITHAHN M.D.
NPI 1235157827
Hospitalist in Columbia, MO
About Stephen T Keithahn M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN T KEITHAHN M.D. (NPI 1235157827) is an individual hospitalist provider in Columbia, Missouri, licensed in Missouri (111583) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Columbia, and is a graduate of Duke University School Of Medicine (1989).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 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
Stephen T Keithahn M.d. 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 Stephen Keithahn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Waimanalo, HI 96795
- Reassigned Medicare billing, Hawaii enrollment
- 44 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.
Physician 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 14
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.
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 Stephen Keithahn's NPI number?
The NPI number for Stephen Keithahn is 1235157827. It was assigned to this individual provider in the NPPES registry on July 18, 2006.
Where is Stephen Keithahn located?
Stephen Keithahn practices at One Hospital Dr, Columbia, MO 65212. The listed phone number is (573) 884-9066.
What is Stephen Keithahn's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Stephen Keithahn enrolled in Medicare?
Yes. Stephen Keithahn 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 Stephen Keithahn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Keithahn reassigns Medicare benefits to Waimanalo Health Center (Waimanalo, HI). 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 Stephen Keithahn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephen Keithahn accept?
Health plans from HMSA list Stephen Keithahn 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.
When was this NPI record last updated?
The NPPES record for Stephen Keithahn was last updated on October 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.
# Stephen T Keithahn, M.D. · NPI 1235157827
Hospitalist physician in Columbia, Missouri. Individual provider, active in the CMS NPPES registry since July 18, 2006.
## Identity
- **NPI:** 1235157827 (Entity type: Individual)
- **Enumerated:** July 18, 2006
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 111583 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** ONE HOSPITAL DR, Columbia, MO 65212-0001
- **Phone:** (573) 884-9066 · **Fax:** (573) 884-3037
## 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:** Waimanalo Health Center (NPI 1780738005, Waimanalo, HI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Duke University School Of Medicine, class of 1989
## Record status
- **NPPES last updated:** October 20, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1235157827) · Data from the CMS NPPES public registry.