Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Emergency Medicine

Loren Kierl, MD

Works at hospitals in Owasso, OK · Claremore, OK · Pryor, OK … · Oklahoma

Summary

Dr. Loren Kierl, MD is an emergency medicine doctor at 10109 E 79th St, Tulsa, OK 74133. Phone: (918) 756-4333. Accepts Medicare assignment. In 2024, Loren Kierl had 204 Original Medicare patients and 268 services. NPI 1336438027. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Loren Kierl, 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 Loren Kierl accept Medicare assignment?
Yes. Medicare's clinician data says Loren Kierl 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 Loren Kierl see?
In 2024, CMS data shows 204 Original Medicare patients and 268 services for Loren Kierl. This counts Original Medicare only and measures volume, not quality.
What is Loren Kierl's NPI number?
1336438027. 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 Loren Kierl, 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 patients204
Services billed to Medicare268
Different services or procedures16
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)120 services
  2. Emergency department visit with moderate level of medical decision making (99284)64 services
  3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)52 services
  4. Emergency department visit with low level of medical decision making (99283)14 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 pressure75%
  • High cholesterol75%
  • Arthritis57%
  • Ischemic heart disease47%
  • Depression46%
  • Diabetes45%

Hospitals where Loren Kierl works

Medicare's Facility Affiliation Data lists Loren Kierl at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Loren Kierl is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Loren Kierl as a member of these groups (CMS data updated October 2, 2026).

  • Creek Nation Hospital and Clinics365 clinicians in the group
  • Green Country Emergency Physicians Group of Tulsa, PLLC113 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Oklahoma →

Other emergency medicine doctors in Tulsa

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

All emergency medicine doctors in Tulsa →

Other clinicians in Creek Nation Hospital and Clinics

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

Clinician information

CredentialMD
Graduation year2011 (15 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1336438027
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians