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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. LOREN LEIDHEISER D.O.
NPI 1336189596
Emergency Medicine in Westerville, OH

Active since June 07, 2006
500 S CLEVELAND AVE, WESTERVILLE, OH 43081(614) 794-0481(614) 794-3711 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Loren Leidheiser D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. LOREN LEIDHEISER D.O. (NPI 1336189596) is an individual emergency medicine provider in Westerville, Ohio, licensed in Ohio (34005340-L) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1336189596
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. LOREN LEIDHEISERCredential: D.O.
Location Address500 S CLEVELAND AVEWesterville, OH 43081-8971
Mailing Address575 Copeland Mill Rd, Suite #1dWesterville, OH 43081-8977 · (614) 794-0481 · Fax (614) 794-3711
Phone(614) 794-0481
Fax(614) 794-3711
Sole ProprietorNo
Enumeration DateJune 7, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1336189596 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in OH · 34005340-L
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
500 S CLEVELAND AVE, Westerville, OH 43081
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

WADE WALNOHA P.A.-C.
Physician Assistant
500 S CLEVELAND AVE
WESTERVILLE, OH 43081
Franklin County (614) 794-0481
CAMERON POWELL P.A.-C.
Physician Assistant
500 S CLEVELAND AVE
WESTERVILLE, OH 43081
Franklin County (614) 794-0481
MS. EMILY ANN STEIN
Anesthesiologist Assistant
500 S CLEVELAND AVE
WESTERVILLE, OH 43081
Franklin County (380) 898-4000
GERALD J GIRARDI MD
Obstetrics & Gynecology
500 S CLEVELAND AVE
WESTERVILLE, OH 43081
Franklin County (614) 898-4000
AMY L GRAHAM RPH
Pharmacist
500 S CLEVELAND AVE
WESTERVILLE, OH 43081
Franklin County (380) 898-4198
JANELLE HIDEG CRNA
Nurse Anesthetist, Certified Registered
500 S CLEVELAND AVE, ST. ANN'S HOSPITAL ANESTHESIA DEPT
WESTERVILLE, OH 43081
Franklin County (614) 898-6659
ELIZABETH ANN CUMMINS MD
Obstetrics & Gynecology
500 S CLEVELAND AVE
WESTERVILLE, OH 43081
Franklin County (614) 898-4000
MS. GERTRUDE HELFRICH CRNA
Nurse Anesthetist, Certified Registered
500 S CLEVELAND AVE, ST. ANN'S HOSPITAL ANESTHESIA DEPT
WESTERVILLE, OH 43081
Franklin County (614) 898-6659

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Loren Leidheiser's NPI number?

The NPI number for Loren Leidheiser is 1336189596. It was assigned to this individual provider in the NPPES registry on June 7, 2006.

Where is Loren Leidheiser located?

Loren Leidheiser practices at 500 S Cleveland Ave, Westerville, OH 43081. The listed phone number is (614) 794-0481.

What is Loren Leidheiser's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

When was this NPI record last updated?

The NPPES record for Loren Leidheiser was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.