Doctor profile · Federal record

Dr. Karen Walker, MD

Family Medicine Physician (CMS: Family Practice) · Oil City, LA

  • NPI 1588701288
  • Accepts Medicare
  • 27 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
103 South la Hwy. 1
Oil City, LA 71061
(318) 995-6504
fax (318) 995-6535
Mailing address
Po Box 396
Oil City, LA 710610396

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
January 3, 2008
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Louisiana #201244
Medicaid
LA #1458937

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588701288. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
666
Distinct HCPCS
9
Medicare allowed
$36,105
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 212 119 $7
99213 Established patient office or other outpatient visit, 20-29 minutes 203 120 $85
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 77 77 $123
96372 Injection of drug or substance under skin or into muscle 42 19 $13
90662 Influenza vaccine split virus, preservative free 30 29 $72
G0008 Administration of influenza virus vaccine 30 29 $29
99214 Established patient office or other outpatient visit, 30-39 minutes 26 24 $118
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg 26 12 $7
99212 Established patient office or other outpatient visit, 10-19 minutes 20 17 $53

In context: peer comparison

Among 1 peers in this city , average services per provider: 74. This provider delivers 9.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,440
Patients
553
Total drug cost
$19,476
Drug Type Claims Patients Total cost
Lisinopril Generic 280 68 $1,439
Amlodipine Besylate Generic 230 44 $898
Metoprolol Succinate Generic 192 41 $1,972
Levothyroxine Sodium Generic 183 41 $1,191
Hydrochlorothiazide Generic 182 34 $573
Meloxicam Generic 178 44 $619
Atorvastatin Calcium Generic 156 40 $1,039
Alprazolam Generic 154 23 $497
Omeprazole Generic 148 32 $1,065
Metformin Hcl Generic 137 38 $680

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Walker's medical specialty?
Dr. Karen Walker practices Family Medicine Physician in Oil City, LA.
Where does Dr. Karen Walker practice?
Dr. Karen Walker practices at 103 South la Hwy. 1, Oil City, LA 71061. Office phone: 3189956504.
What is Dr. Karen Walker's NPI?
Dr. Karen Walker's National Provider Identifier (NPI) is 1588701288, issued by NPPES.
Does Dr. Karen Walker accept Medicare assignment?
Yes. Dr. Karen Walker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Walker commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.