Karen Strait Walker, MD
Family Medicine Physician · Oil City, LA
Karen Strait Walker, MD is a family medicine physician with a practice address in Oil City, Louisiana, and NPI 1588701288, issued on Jan 31, 2007. Check the license (Louisiana 201244, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Karen Strait Walker
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 201244 LA
Self-reported in NPPES; status is on the state search - Practice location
- 103 South LA Hwy. 1, Oil City, LA 71061
- Phone
- (318) 995-6504
- Enumerated
- Jan 31, 2007
- Record last updated
- Jan 3, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (318) 995-6535
- Medicaid ID
- 1458937 LA
- Medicare enrollment
- Enrolled (PECOS I20070618000045); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In Shreveport, 1999
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,728 in Louisiana → Look up another NPI →
Verify Karen Strait Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 201244Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% more Medicare Part D claims than the average family medicine physician in 2024
4,340 Medicare Part D claims for 285 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 38 claims were for opioids.
Most prescribed
- Lisinopril236 claims
- Amlodipine Besylate178 claims
- Meloxicam161 claims
- Metoprolol Succinate133 claims
- Omeprazole126 claims
- Hydrochlorothiazide125 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- WK Academic Medicine ClinicShreveport, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Strait Walker among 1,728 family medicine physician records in Louisiana
Karen Strait Walker, MD is one of 1,728 family medicine physician records with a practice address in Louisiana. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 45% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1999 · median 2006 among the 1,201 with a school on file
- Record last updated2008 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in Louisiana
There are 1,728 family medicine physician records in Louisiana.
All 1,728 in Louisiana → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Nicole McCommon, MDPlain Dealing, LA 710641750592440
- Michael Chanler, MDMinden, LA 710551336136407
- Christopher Earnhardt, MDMinden, LA 710551699762948
- John Fleming, M.D.Minden, LA 710551124094909
- Lauren Guin, FNP-CMinden, LA 710551073447033
- Carl Hines, M.D.Minden, LA 710551740258102
- Kathryn Irizarry, M.D.Minden, LA 710551184763906
- Carlos Irizarry, MDMinden, LA 710551104971126
Common questions
What is Karen Strait Walker, MD's NPI number?
Karen Strait Walker, MD's National Provider Identifier (NPI) is 1588701288, issued on Jan 31, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Karen Strait Walker, MD located?
The NPPES record lists a practice address at 103 South LA Hwy. 1, Oil City, LA, 71061. Phone: (318) 995-6504. Providers update this record themselves, so call before visiting.
How can I verify Karen Strait Walker, MD's license?
NPPES lists Louisiana license number 201244, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karen Strait Walker, MD prescribe under Medicare Part D?
In 2024, Karen Strait Walker, MD had 4,340 Medicare Part D claims for 285 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.