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Dermatology

Courtney A. Cook, DO

Sees patients in Tulsa, OK · Oklahoma

Summary

Dr. Courtney A. Cook, DO is a dermatologist at 2121 E 21st St, Tulsa, OK 74114. Phone: (918) 749-2261. Accepts Medicare assignment. In 2024, Courtney A. Cook had 466 Original Medicare patients and 1,951 services. NPI 1285263038. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Dermatologist (Medicare lists Dermatology)
  • Address: 2121 E 21st St, Tulsa, OK 74114 · Directions
  • Phone: (918) 749‑2261
  • Medicare: Accepts Medicare assignment
  • Group practice: Tulsa Dermatology Clinic Inc
  • Medical school: Oklahoma State University College Of Osteopathic Medicine · graduated 2020 (6 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Courtney A. Cook, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Courtney A. Cook accept Medicare assignment?
Yes. Medicare's clinician data says Courtney A. Cook accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Courtney A. Cook see?
In 2024, CMS data shows 466 Original Medicare patients and 1,951 services for Courtney A. Cook. This counts Original Medicare only and measures volume, not quality.
What is Courtney A. Cook's NPI number?
1285263038. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Courtney A. Cook, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients466
Services billed to Medicare1,951
Different services or procedures57
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Destruction of precancer skin growth, 2-14 growths (17003)719 services
  2. Destruction of precancer skin growth, 1 growth (17000)216 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)158 services
  4. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)156 services
  5. Destruction of skin growth, 1-14 growths (17110)147 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure73%
  • High cholesterol70%
  • Arthritis48%
  • Diabetes22%
  • Depression21%
  • Ischemic heart disease20%

Practice locations

Addresses where Courtney A. Cook is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Courtney A. Cook as a member of this group (CMS data updated October 2, 2026).

  • Tulsa Dermatology Clinic Inc8 clinicians in the group

Specialties

Find other Dermatology doctors in Oklahoma →

Other dermatologists in Tulsa

Clinicians with the same Medicare primary specialty in Tulsa, OK — not a recommendation.

All dermatologists in Tulsa →

Other clinicians in Tulsa Dermatology Clinic Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Medical schoolOklahoma State University College Of Osteopathic Medicine
Graduation year2020 (6 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1285263038
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians