KEITH D TYER CRNA
NPI 1922105949
Nurse Anesthetist, Certified Registered in Bossier City, LA
About Keith D Tyer Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KEITH D TYER CRNA (NPI 1922105949) is an individual nurse anesthetist, certified registered in Bossier City, Louisiana, licensed in Louisiana (RN045473APO1843) and active in the NPI registry since September 2006. He is affiliated with Specialists Hospital Shreveport and is a graduate of Other (1986).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Keith D Tyer Crna 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
3Medicare enrollment records show Keith Tyer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Shreveport, LA 71101
- Reassigned Medicare billing, Louisiana enrollment
- 41 clinicians in this Medicare group
Shreveport, LA 71101
- Reassigned Medicare billing, Louisiana enrollment
- 78 clinicians in this Medicare group
Shreveport, LA 71103
- Reassigned Medicare billing, Louisiana enrollment
- 146 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 4
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Specialists Hospital Shreveport
Acute Care Hospitals · Shreveport, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 71111 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.
BOSSIER CITY, LA 71111
BOSSIER CITY, LA 71111
BOSSIER CITY, LA 71111
BOSSIER CITY, LA 71111
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 Tyer's NPI number?
The NPI number for Keith Tyer is 1922105949. It was assigned to this individual provider in the NPPES registry on September 20, 2006.
Where is Keith Tyer located?
Keith Tyer practices at 2400 Hospital Dr, Bossier City, LA 71111. The listed phone number is (318) 212-7000.
What is Keith Tyer's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Keith Tyer enrolled in Medicare?
Yes. Keith Tyer 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 Keith Tyer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Keith Tyer reassigns Medicare benefits to 3 organizations: Novus Louisiana Medical Professional Corporation (Shreveport, LA), Medical Center Anesthesiologists (Shreveport, LA) and Willis Knighton Medical Center Inc. Crna Group (Shreveport, LA). 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 Keith Tyer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Keith Tyer accept?
Health plans from HMO Louisiana list Keith Tyer 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 Keith Tyer affiliated with any hospitals?
According to CMS data, Keith Tyer is affiliated with Specialists Hospital Shreveport.
When was this NPI record last updated?
The NPPES record for Keith Tyer was last updated on August 5, 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.
# Keith D Tyer, CRNA · NPI 1922105949
Nurse Anesthetist, Certified Registered physician in Bossier City, Louisiana. Individual provider, active in the CMS NPPES registry since September 20, 2006.
## Identity
- **NPI:** 1922105949 (Entity type: Individual)
- **Enumerated:** September 20, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** RN045473APO1843 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 2400 HOSPITAL DR, Bossier City, LA 71111-2385
- **Phone:** (318) 212-7000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Novus Louisiana Medical Professional Corporation (NPI 1336926872, Shreveport, LA); Medical Center Anesthesiologists (NPI 1669469748, Shreveport, LA); Willis Knighton Medical Center Inc. Crna Group (NPI 1174546097, Shreveport, LA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1986
## Record status
- **NPPES last updated:** August 5, 2008
- **Other identifiers:** Medicaid 1533599 (LA); Medicare PIN S9637C734 (LA); Medicare PIN 430066477 (LA)
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Source: [NPI Profile](https://npiprofile.com/npi/1922105949) · Data from the CMS NPPES public registry.