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Emergency Medicine

Kevin M. Penwell, DO

Sees patients in Oklahoma City, OK · Choctaw, OK · Norman, OK … · Oklahoma

Summary

Dr. Kevin M. Penwell, DO is an emergency medicine doctor at 11808 S May Ave, Oklahoma City, OK 73170. Phone: (405) 735-2370. May accept Medicare assignment. In 2024, Kevin M. Penwell had 102 Original Medicare patients and 721 services. NPI 1841286333. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 11808 S May Ave, Oklahoma City, OK 73170 · Directions (6 more locations)
  • Phone: (405) 735‑2370
  • Medicare: May accept Medicare assignment
  • Group practice: Immediate Care of Oklahoma LLC (+1 more)
  • Medical school: Oklahoma State University College Of Osteopathic Medicine · graduated 2000 (26 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Kevin M. Penwell, 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 Kevin M. Penwell accept Medicare assignment?
Medicare's clinician data says Kevin M. Penwell may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Kevin M. Penwell see?
In 2024, CMS data shows 102 Original Medicare patients and 721 services for Kevin M. Penwell. This counts Original Medicare only and measures volume, not quality.
What is Kevin M. Penwell's NPI number?
1841286333. 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 Kevin M. Penwell, 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 patients102
Services billed to Medicare721
Different services or procedures53
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)47 services
  2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)32 services
  3. Injection of drug or substance under skin or into muscle (96372)21 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)17 services
  5. Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus (87426)16 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 pressure69%
  • High cholesterol66%
  • Arthritis42%
  • Diabetes26%
  • Ischemic heart disease26%
  • Anxiety24%

Practice locations

Addresses where Kevin M. Penwell is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists Kevin M. Penwell as a member of these groups (CMS data updated October 2, 2026).

  • Immediate Care of Oklahoma LLC34 clinicians in the group
  • Ico Primary Care, LLC6 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Oklahoma →

Other emergency medicine doctors in Oklahoma City

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

All emergency medicine doctors in Oklahoma City →

Other clinicians in Immediate Care of Oklahoma LLC

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 year2000 (26 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1841286333
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