Doctor profile · Federal record

Dr. Leslie Walker, MD

Hematology & Oncology Physician (CMS: Medical Oncology) · Tulsa, OK

  • NPI 1275576118
  • Accepts Medicare
  • MIPS 93.3 / 100 · 2023
  • 26 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1809 E 13Th St, Suite 402
Tulsa, OK 741044419
(918) 579-3850
fax (918) 579-3859
Mailing address
1245 S Utica Ave, Ste 100
Tulsa, OK 741044214

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
January 12, 2016
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Oklahoma #24934
Medicaid
OK #200089810A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275576118. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
763
Distinct HCPCS
5
Medicare allowed
$92,730
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 601 172 $119
99213 Established patient office or other outpatient visit, 20-29 minutes 70 64 $85
99215 Established patient office or other outpatient visit, 40-54 minutes 33 29 $165
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 31 31 $125
99205 New patient office or other outpatient visit, 60-74 minutes 28 28 $202

In context: peer comparison

Among 18 peers in this city , average services per provider: 1,283. This provider delivers 0.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$116
Transactions
6
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Ipsen Biopharmaceuticals, Inc 2 $32.46
Sumitomo Pharma America, Inc. 1 $23.93
ADC Therapeutics America, Inc. 1 $22.53
PFIZER INC. 1 $18.56
Merck Sharp & Dohme LLC 1 $18.09

By nature of payment

Education
$74
Food and Beverage
$41

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,184
Patients
328
Total drug cost
$1,277,665
Drug Type Claims Patients Total cost
Anastrozole Generic 295 74 $7,368
Alendronate Sodium Generic 128 39 $1,561
Famotidine Generic 125 38 $1,020
Gabapentin Generic 113 29 $2,288
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 66 28 $1,331
Ondansetron Hcl Generic 63 44 $903
Eliquis (Apixaban) Brand 57 12 $46,401
Escitalopram Oxalate Generic 48 11 $446
Prednisone Generic 46 19 $273
Prochlorperazine Maleate Generic 46 21 $795

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Leslie Walker's medical specialty?
Dr. Leslie Walker practices Hematology & Oncology Physician in Tulsa, OK.
Where does Dr. Leslie Walker practice?
Dr. Leslie Walker practices at 1809 E 13Th St, Tulsa, OK 741044419. Office phone: 9185793850.
What is Dr. Leslie Walker's NPI?
Dr. Leslie Walker's National Provider Identifier (NPI) is 1275576118, issued by NPPES.
Does Dr. Leslie Walker accept Medicare assignment?
Yes. Dr. Leslie Walker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leslie Walker commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.