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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.

DARLA K ONDREKO D.O.
NPI 1982609020
Internal Medicine in Marietta, OH

Active since June 16, 2005
210 SEVENTH STREET, SUITE 100, MARIETTA, OH 45750(740) 374-2999(740) 374-3121 Get Directions Write a Review

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

About Darla K Ondreko D.o. NPPES

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

DARLA K ONDREKO D.O. (NPI 1982609020) is an individual internal medicine provider in Marietta, Ohio, licensed in Ohio (34007254) and active in the NPI registry since June 2005.

NPPES Registry Identity

NPI1982609020
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDARLA K ONDREKOCredential: D.O.
Location Address210 SEVENTH STREET, SUITE 100Marietta, OH 45750
Mailing AddressPo Box 449Marietta, OH 45750-0449 · (740) 374-4500 · Fax (740) 374-5887
Phone(740) 374-2999
Fax(740) 374-3121
Sole ProprietorNo
Enumeration DateJune 16, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1982609020 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in OH · 34007254
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
210 SEVENTH STREET, Marietta, OH 45750
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Other Names 1

Former Name (1)Darla K Raddish D.o.

Other Identifiers 1

Medicaid2333862OH

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 Darla Ondreko's NPI number?

The NPI number for Darla Ondreko is 1982609020. It was assigned to this individual provider in the NPPES registry on June 16, 2005. The provider is also known as Darla K Raddish D.O..

Where is Darla Ondreko located?

Darla Ondreko practices at 210 Seventh Street Suite 100, Marietta, OH 45750. The listed phone number is (740) 374-2999.

What is Darla Ondreko's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Darla Ondreko 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 27 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.