Dr. Leslie K. Walker, MD
- Medicare services, 2024
- 759
- Medicare patients, 2024
- 284
- Part D claims, 2024
- 2,000
- Hospital affiliations
- 5
- Industry payments
- $1,754
- Practice address
- 1120 South Utica Avenue, Tulsa, OK 74104
- Practice phone
- Call (918) 579-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Walker's professional email, personal email and mobile number
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Dr. Leslie K. Walker is a hematologist and oncologist in Tulsa, Oklahoma
Dr. Walker practices at Hillcrest Medical Center in Tulsa, Oklahoma, part of Ardent Health.
Dr. Walker's NPI, 1275576118, was assigned on June 14, 2006. Dr. Walker graduated from University of Oklahoma College of Medicine in 2000. Dr. Walker holds Oklahoma license 24934.
- NPI
- 1275576118NPI Registry (opens in a new tab)
- NPI enumeration date
- June 14, 2006
- NPI status
- Active
- Practice phone
- (918) 579-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Leslie K. Walker practices at Hillcrest Medical Center in Tulsa, Oklahoma
Dr. Walker's primary practice is Hillcrest Medical Center, at 1120 South Utica Avenue, Tulsa, OK 74104 in Tulsa County. The practice phone is (918) 579-1000.
- Hillcrest Medical Center1120 South Utica Avenue, Tulsa, OK 74104 · Tulsa CountyPhone(918) 579-1000
Source: Dmand AI Affiliation Data
Dr. Leslie K. Walker is affiliated with 6 sites of care and 1 medical group
Dr. Walker's primary practice is Hillcrest Medical Center in Tulsa, Oklahoma, part of Ardent Health. Dr. Walker is also affiliated with Hillcrest Hospital South. The medical group on file is OU Health. Dmand AI also links Dr. Walker to 3 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Leslie K. Walker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walker practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hillcrest Medical Center | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Leslie K. Walker is one of 134 hematologists and oncologists in Oklahoma
Hematology and oncology is Dr. Walker's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Walker is licensed in Oklahoma.
Specialties and state licenses
- Hematology and oncology, OklahomaPrimary
Hematologists and oncologists near Dr. Walker
Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Leslie K. Walker billed Medicare for 759 services in 2024
CMS data shows 759 Medicare services from Dr. Walker across 6 procedure codes in 2024, for 284 Medicare patients. Medicare paid $66,149 for them.
Dr. Walker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7632024: 7591%
Where Dr. Walker's Medicare services took place, 2024
- In an office70192%
- In a facility588%
Dr. Walker compared with the Oklahoma median for hematologists and oncologists, 2024
- Dr. Walker
- Oklahoma median
- Medicare services
- 759vs 1,21838% below
- Medicare patients
- 284vs 35420% below
- Part D claims
- 1,759vs 8272.1 times
Medians across 124 hematologists and oncologists in Oklahoma with Dmand AI profiles that report each measure.
Dr. Walker's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Walker and other hematologists and oncologists in Oklahoma.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Leslie K. Walker treated 284 Medicare patients in 2024, average age 73
CMS counts 284 Medicare patients who saw Dr. Walker in 2024. The largest group is 65 to 74, with 142 patients. 75% of them have high blood pressure, and 71% have cancer. 10% are also on Medicaid. Their average risk score is 2.03, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Walker's median patient age at 72, with 42% women.
Dr. Walker's Medicare patients by age, 2024
Dr. Walker's Medicare patients by sex, 2024
- Women15053%
- Men13447%
Chronic conditions among Dr. Walker's Medicare patients, 2024
- High blood pressure75%
- Cancer71%
- High cholesterol71%
- Arthritis44%
- Ischemic heart disease36%
- Diabetes35%
- Chronic kidney disease30%
- Mood disorders30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Walker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women42%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Leslie K. Walker wrote 2,000 Medicare Part D claims in 2024
In 2024, Dr. Walker wrote 2,000 Medicare Part D claims for 280 patients. 84% of them were for generic drugs. CMS names the drug for 1,759 of them, across 37 drugs with 11 or more claims each, at $2,278,080 in total drug cost. In 2023, CMS named 1,590 claims across 38 drugs.
Dr. Walker's Part D claims by kind of drug, 2024
- Generic1,685 claims84%
- Brand-name and other315 claims16%
Dr. Walker's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Walker's Part D claims, 2024
- Opioids8%157 of 2,000 claims
- Antibiotics2%34 of 2,000 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,5902024: 1,75911%
Drugs named by CMS: 37 in 2024, 38 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Leslie K. Walker received $1,754 in industry payments from 2016 to 2025
CMS Open Payments shows 64 general payments to Dr. Walker from 25 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 67% of the total. Pfizer Inc. paid the most, $378.
General payments to Dr. Walker by program year, 2016 to 2025
General payments to Dr. Walker by kind, 2016 to 2025
- Food and beverage$1,18167%
- Education$57333%
Companies that paid Dr. Walker the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Leslie K. Walker graduated from University of Oklahoma College of Medicine
Dr. Walker graduated from University of Oklahoma College of Medicine in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Leslie K. Walker's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Leslie K. Walker
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Leslie K. Walker's NPI number?
Dr. Leslie K. Walker's NPI number is 1275576118. It was assigned on June 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Leslie K. Walker?
Dr. Leslie K. Walker is a hematologist and oncologist in Tulsa, Oklahoma. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Leslie K. Walker practice?
Dr. Walker practices at 1120 South Utica Avenue, Tulsa, OK 74104. Dr. Walker's primary practice is Hillcrest Medical Center in Tulsa, Oklahoma, part of Ardent Health. Dmand AI also links Dr. Walker to 3 hospitals and 1 group practice or clinic.
What is Dr. Leslie K. Walker's office phone number?
The practice phone on file for Dr. Walker is (918) 579-1000.
What is Dr. Leslie K. Walker's medical license number?
Dr. Walker holds Oklahoma license 24934.
Which hospitals is Dr. Leslie K. Walker affiliated with?
Dr. Walker practices at Hillcrest Medical Center in Tulsa, Oklahoma. Dr. Walker is also affiliated with Hillcrest Hospital South. Dmand AI links Dr. Walker to 3 more hospitals.
What medical group is Dr. Leslie K. Walker part of?
Dr. Walker is linked to OU Health.
Does Dr. Leslie K. Walker accept Medicare?
Yes. CMS data shows Dr. Walker billed Medicare for 759 services in 2024.
How many Medicare patients does Dr. Leslie K. Walker see?
CMS counts 284 Medicare patients who saw Dr. Walker in 2024, with an average age of 73.
What services does Dr. Leslie K. Walker bill to Medicare?
In 2024, Dr. Walker's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, new patient (99205).
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Where did Dr. Leslie K. Walker go to medical school?
Dr. Walker graduated from University of Oklahoma College of Medicine in 2000.
What drugs does Dr. Leslie K. Walker prescribe most?
In 2024 Medicare Part D data, Dr. Walker's most prescribed drugs by claims were Anastrozole, Gabapentin and Alendronate Sodium.
Has Dr. Leslie K. Walker received payments from drug or device companies?
CMS Open Payments shows $1,754 in general payments to Dr. Walker from 25 companies from 2016 to 2025. The largest total came from Pfizer Inc.
How long has Dr. Leslie K. Walker been practicing?
Dr. Walker graduated from medical school in 2000, 26 years ago.
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