KAREN STRAIT WALKER MD
NPI 1588701288
Family Medicine in Oil City, LA
About Karen Strait Walker Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN STRAIT WALKER MD (NPI 1588701288) is an individual family medicine provider in Oil City, Louisiana, licensed in Louisiana (201244) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS, is affiliated with Willis Knighton Medical Center, and is a graduate of Louisiana State University School Of Medicine In Shreveport (1999).
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
Karen Strait Walker 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 Karen Walker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Shreveport, LA 71103
- Reassigned Medicare billing, Louisiana enrollment
- 6 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 5
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.
Willis Knighton Medical Center
Acute Care Hospitals · Shreveport, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 71061 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 9
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Karen Walker's NPI number?
The NPI number for Karen Walker is 1588701288. It was assigned to this individual provider in the NPPES registry on January 31, 2007.
Where is Karen Walker located?
Karen Walker practices at 103 South La Hwy. 1, Oil City, LA 71061. The listed phone number is (318) 995-6504.
What is Karen Walker's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Karen Walker enrolled in Medicare?
Yes. Karen Walker 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 Karen Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Walker reassigns Medicare benefits to Wk Academic Medicine Clinic (Shreveport, LA). 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 Karen Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Walker accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Blue Cross and Blue Shield of Louisiana and 2 other insurers list Karen Walker 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 Karen Walker affiliated with any hospitals?
According to CMS data, Karen Walker is affiliated with Willis Knighton Medical Center.
When was this NPI record last updated?
The NPPES record for Karen Walker was last updated on January 3, 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.
# Karen Strait Walker, MD · NPI 1588701288
Family Medicine physician in Oil City, Louisiana. Individual provider, active in the CMS NPPES registry since January 31, 2007.
## Identity
- **NPI:** 1588701288 (Entity type: Individual)
- **Enumerated:** January 31, 2007
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 201244 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 103 SOUTH LA HWY. 1, Oil City, LA 71061
- **Phone:** (318) 995-6504 · **Fax:** (318) 995-6535
## 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:** Wk Academic Medicine Clinic (NPI 1992375844, Shreveport, LA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Louisiana State University School Of Medicine In Shreveport, class of 1999
## Record status
- **NPPES last updated:** January 3, 2008
- **Other identifiers:** Medicaid 1458937 (LA); Medicare PIN 4K512F952 (LA); Medicare PIN 4K512CY16 (LA)
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Source: [NPI Profile](https://npiprofile.com/npi/1588701288) · Data from the CMS NPPES public registry.