Dr. Katherine Dewitt Cook, DO

  • Tulsa, OK
  • Internist
NPI1821253410PAC ID9638294747
Medicare services, 2024
999
Medicare patients, 2024
376
Part D claims, 2024
269
Publications
2
MIPS score, 2024
94
Practice address
744 West 9th Street, Tulsa, OK 74127
Practice phone
Call (918) 599-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Oklahoma State University Medical Center

Hospital · Tulsa, Oklahoma

See all 6 affiliations

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Dr. Katherine Dewitt Cook is an internist in Tulsa, Oklahoma

Dr. Cook practices at Oklahoma State University Medical Center in Tulsa, Oklahoma, part of State of Oklahoma.

Dr. Cook's NPI, 1821253410, was assigned on July 23, 2008. Dr. Cook graduated from Oklahoma State University College of Osteopathic Medicine in 2007. Dr. Cook holds Oklahoma license 4629.

NPI and contact details
Medicare PAC ID
9638294747
NPI enumeration date
July 23, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(918) 599-1000
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
45
Medical school graduation
2007

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Katherine Dewitt Cook practices at Oklahoma State University Medical Center in Tulsa, Oklahoma

Dr. Cook's primary practice is Oklahoma State University Medical Center, at 744 West 9th Street, Tulsa, OK 74127 in Tulsa County. The practice phone is (918) 599-1000.

Source: Dmand AI Affiliation Data

Dr. Katherine Dewitt Cook is affiliated with 4 sites of care and 2 medical groups

Dr. Cook's primary practice is Oklahoma State University Medical Center in Tulsa, Oklahoma, part of State of Oklahoma. Dr. Cook is also affiliated with Cherokee Nation W. W. Hastings Hospital. The medical group on file is Central Oklahoma Community Mental Health Center. Dmand AI also links Dr. Cook to 2 more hospitals and 1 medical group, each named with a free account.

See all 6 affiliations for Dr. Cook

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Katherine Dewitt Cook's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cook practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Oklahoma State University Medical CenterAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Katherine Dewitt Cook is one of 1,018 internists in Oklahoma

Internal medicine is Dr. Cook's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Cook is licensed in Oklahoma.

Specialties and state licenses

  • Internal medicine, OklahomaPrimaryLicense 4629 · taxonomy 207R00000X

Internists near Dr. Cook

Counts of internists 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. Katherine Dewitt Cook billed Medicare for 999 services in 2024

CMS data shows 999 Medicare services from Dr. Cook across 6 procedure codes in 2024, for 376 Medicare patients. Medicare paid $85,718 for them.

Medicare services, 2024999
Medicare patients376
Paid by Medicare$85,718
Procedure codes6

Dr. Cook's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 9742024: 9993%

Where Dr. Cook's Medicare services took place, 2024

  • In an office131%
  • In a facility98699%

Dr. Cook compared with the Oklahoma median for internists, 2024

  • Dr. Cook
  • Oklahoma median
Medicare services
999vs 63657% above
Medicare patients
376vs 24355% above
Part D claims
32vs 28289% below

Medians across 969 internists in Oklahoma with Dmand AI profiles that report each measure.

Dr. Cook'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.

See all procedures by Dr. Cook

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Katherine Dewitt Cook treated 376 Medicare patients in 2024, average age 70

CMS counts 376 Medicare patients who saw Dr. Cook in 2024. The largest group is 65 to 74, with 135 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 41% are also on Medicaid. Their average risk score is 2.88, 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. Cook's median patient age at 61, with 43% women.

Medicare patients, 2024376
Average age70
Average risk score2.88
Also on Medicaid41%

Dr. Cook's Medicare patients by age, 2024

Dr. Cook's Medicare patients by sex, 2024

  • Women18449%
  • Men19251%

Chronic conditions among Dr. Cook's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Heart failure58%
  4. Diabetes56%
  5. Arthritis54%
  6. Chronic kidney disease53%
  7. Ischemic heart disease50%
  8. Mood disorders46%

Share of Medicare patients with each condition. A patient can have several.

Dr. Cook's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women43%
  • Men56%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Katherine Dewitt Cook wrote 269 Medicare Part D claims in 2024

In 2024, Dr. Cook wrote 269 Medicare Part D claims for 100 patients. 71% of them were for generic drugs. CMS names the drug for 32 of them, across 2 drugs with 11 or more claims each, at $179 in total drug cost. In 2023, CMS named 360 claims across 21 drugs.

Part D claims, 2024269
Drugs named by CMS2
Total drug cost$179
Part D patients100

Dr. Cook's Part D claims by kind of drug, 2024

  • Generic190 claims71%
  • Brand-name79 claims29%

Dr. Cook'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. Cook's Part D claims, 2024

  • Antibiotics14%37 of 269 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: 3602024: 3291%

Drugs named by CMS: 2 in 2024, 21 in 2023.

See all prescribing by Dr. Cook

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

Dr. Katherine Dewitt Cook scored 94 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Cook for performance year 2024, reported as part of a group. Dr. Cook accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Cook as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Cook's MIPS scores, performance year 2024

  • 94of 100Final score
  • 77.8of 100Quality
  • 99of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 74of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Katherine Dewitt Cook has 2 publications on record

Dmand AI links 2 papers to Dr. Cook in 2020. 2020 was the busiest year, with 2. Dr. Cook's most frequent co-authors are Aaron Marc Bowers, DO, Jameson Pelton, DO and Caleb Alexander Smith, DO.

Papers2

Dr. Cook's most frequent co-authors

Recent publications by Dr. Cook

See all 2 publications and co-authors

See who Dr. Cook researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Cook works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Katherine Dewitt Cook received $2,865 in industry payments from 2016 to 2025

CMS Open Payments shows 107 general payments to Dr. Cook from 24 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. ViiV Healthcare Company paid the most, $466.

General payments to Dr. Cook by program year, 2016 to 2025

General payments to Dr. Cook by kind, 2016 to 2025

$2.9Kin total
  • Food and beverage$2,83699%
  • Education$291%

Companies that paid Dr. Cook the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Cook

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Katherine Dewitt Cook graduated from Oklahoma State University College of Osteopathic Medicine

Dr. Cook graduated from Oklahoma State University College of Osteopathic Medicine in 2007.

  1. Medical schoolOklahoma State University College of Osteopathic Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Katherine Dewitt Cook's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Katherine Dewitt Cook

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. Katherine Dewitt Cook's NPI number?

Dr. Katherine Dewitt Cook's NPI number is 1821253410. It was assigned on July 23, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Katherine Dewitt Cook?

Dr. Katherine Dewitt Cook is an internist in Tulsa, Oklahoma. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Katherine Dewitt Cook practice?

Dr. Cook practices at 744 West 9th Street, Tulsa, OK 74127. Dr. Cook's primary practice is Oklahoma State University Medical Center in Tulsa, Oklahoma, part of State of Oklahoma. Dmand AI also links Dr. Cook to 2 hospitals and 1 medical group.

What is Dr. Katherine Dewitt Cook's office phone number?

The practice phone on file for Dr. Cook is (918) 599-1000.

What is Dr. Katherine Dewitt Cook's medical license number?

Dr. Cook holds Oklahoma license 4629.

Which hospitals is Dr. Katherine Dewitt Cook affiliated with?

Dr. Cook practices at Oklahoma State University Medical Center in Tulsa, Oklahoma. Dr. Cook is also affiliated with Cherokee Nation W. W. Hastings Hospital. Dmand AI links Dr. Cook to 2 more hospitals.

What medical group is Dr. Katherine Dewitt Cook part of?

Dr. Cook is linked to Central Oklahoma Community Mental Health Center. Dmand AI links Dr. Cook to 1 more medical group.

Does Dr. Katherine Dewitt Cook accept Medicare?

Yes. CMS data shows Dr. Cook billed Medicare for 999 services in 2024, and Dr. Cook accepts Medicare assignment.

Does Dr. Katherine Dewitt Cook offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Cook as offering telehealth services.

What is Dr. Katherine Dewitt Cook's MIPS score?

Dr. Cook's MIPS final score for performance year 2024 is 94 out of 100, reported as part of a group.

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How many Medicare patients does Dr. Katherine Dewitt Cook see?

CMS counts 376 Medicare patients who saw Dr. Cook in 2024, with an average age of 70.

What services does Dr. Katherine Dewitt Cook bill to Medicare?

In 2024, Dr. Cook's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99238) and hospital inpatient care (99223).

Where did Dr. Katherine Dewitt Cook go to medical school?

Dr. Cook graduated from Oklahoma State University College of Osteopathic Medicine in 2007.

What drugs does Dr. Katherine Dewitt Cook prescribe most?

In 2024 Medicare Part D data, Dr. Cook's most prescribed drugs by claims were Atorvastatin Calcium and Pantoprazole Sodium.

Has Dr. Katherine Dewitt Cook received payments from drug or device companies?

CMS Open Payments shows $2,865 in general payments to Dr. Cook from 24 companies from 2016 to 2025. The largest total came from ViiV Healthcare Company.

How long has Dr. Katherine Dewitt Cook been practicing?

Dr. Cook graduated from medical school in 2007, 19 years ago.

Does Dr. Katherine Dewitt Cook do research?

Dmand AI links 2 publications to Dr. Cook.

Who does Dr. Katherine Dewitt Cook publish with?

Dr. Cook's most frequent co-authors are Aaron Marc Bowers, DO (1 shared paper), Jameson Pelton, DO (1 shared paper) and Caleb Alexander Smith, DO (1 shared paper).

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