Leslie K. Walker, MD
Hematology & Oncology Physician · Tulsa, OK
Leslie K. Walker, MD is a hematology & oncology physician with a practice address in Tulsa, Oklahoma, and NPI 1275576118, issued on Jun 14, 2006. Check the license (Oklahoma 24934, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Leslie K. Walker
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 24934 OK
Self-reported in NPPES; status is on the state search - Practice location
- 1809 E 13TH St, Tulsa, OK 74104
- Phone
- (918) 579-3850
- Enumerated
- Jun 14, 2006
- Record last updated
- Jan 12, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (918) 579-3859
- Medicaid ID
- 200089810A OK
- Medicare enrollment
- Enrolled (PECOS I20061018000028); accepts Medicare assignment
- Medical or professional school
- University Of Oklahoma College Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 128 in Oklahoma → Look up another NPI →
Also registered at 1809 E 13TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Laura Brett, MDHematology & Oncology Physician1235398066
- Shirley Brister, PTPhysical Therapist1760443485
- Weera Chainakul, M.D.Surgery Physician1932142866
- Shannon Delloiacono, PA-CPhysician Assistant1689943870
- Eugene Dickens, M.D.Surgery Physician1306801675
- Michael Freter, S.T.Surgical Technologist1093833220
Verify Leslie K. Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 24934Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average hematology & oncology physician in 2024
2,000 Medicare Part D claims for 280 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 157 claims were for opioids.
Most prescribed
- Anastrozole214 claims
- Gabapentin136 claims
- Alendronate Sodium134 claims
- Prednisone128 claims
- Famotidine110 claims
- Abiraterone Acetate89 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.
The MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $115.57
6 payments; by number, the most common kind was education; the largest payer was Ipsen Biopharmaceuticals, Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Leslie K. Walker among 128 hematology & oncology physician records in Oklahoma
Leslie K. Walker, MD is one of 128 hematology & oncology physician records with a practice address in Oklahoma. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 52% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2000 · median 2004 among the 97 with a school on file
- Record last updated2016 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Oklahoma
There are 128 hematology & oncology physician records in Oklahoma.
All 128 in Oklahoma → Every provider in Tulsa → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Laura Brett, MDTulsa, OK 741041235398066
- Keerthi Gullapalli, MDTulsa, OK 741041689290801
- Supriya Koya, MDTulsa, OK 741041770790289
- Edwin McCreary, M.D.Tulsa, OK 741041609820034
- Amara Nandikolla, MDTulsa, OK 741041669745667
- Chelsea Thomas, DOTulsa, OK 741041336406685
- Christopher Puckett, M.D.Stillwater, OK 740741831130806
- Lehi Vang, PA-CTulsa, OK 741371548075492
Common questions
What is Leslie K. Walker, MD's NPI number?
Leslie K. Walker, MD's National Provider Identifier (NPI) is 1275576118, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leslie K. Walker, MD located?
The NPPES record lists a practice address at 1809 E 13TH St, Tulsa, OK, 74104. Phone: (918) 579-3850. Providers update this record themselves, so call before visiting.
How can I verify Leslie K. Walker, MD's license?
NPPES lists Oklahoma license number 24934, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Leslie K. Walker, MD prescribe under Medicare Part D?
In 2024, Leslie K. Walker, MD had 2,000 Medicare Part D claims for 280 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Leslie K. Walker, MD's MIPS final score?
The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.