Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Roger F. Classen, D.O., Inc.

Surgery Physician in Warrensville Heights, OH · enumerated 2007 · authorized official Roger Classen, Physician.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1720108137

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Registry record

Entity type Organization (Type 2)

Legal business name Roger F. Classen, D.O., Inc.

Practice address 4100 Warrensville Center Rd, Suite #101, Warrensville Heights, OH, 44122

Phone (216) 561-0111

Fax (216) 561-0113

Enumeration date Mar 30, 2007

Last updated in NPPES Oct 10, 2011

Taxonomy & classification

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 34-00-2162 (OH) Primary

Authorized official

Name Roger Classen

Title Physician

Phone (216) 561-0111

Other identifiers

Identifier	Type	State	Issuer
9175381	Other	OH	MEDICARE PTAN GROUP
0335140	Medicaid	OH	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2011-10-10. Verify at npiregistry.cms.hhs.gov.

Where is Roger F. Classen, D.O., Inc. located?

The practice location on file with NPPES is in Warrensville Heights, OH.

Providers at this address

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John Mizenko Gastroenterology Physician · Warrensville Heights, OH NPI 1417958703 Orthopedic Associates of N Ohio Inc Ophthalmology Physician · Warrensville Hts, OH NPI 1164409405 David Krahe Orthopaedic Surgery Physician · Cleveland, OH NPI 1760469191 Richard Masin Orthopaedic Surgery Physician · Cleveland, OH NPI 1821075755 Kelly Anderson Occupational Therapist · Cleveland, OH NPI 1992756266 Meridia Medical Group, LLC Specialist · Warrensville Heights, OH NPI 1316992944 Joanne Fisher Nurse Practitioner · Beachwood, OH NPI 1942373881 Cleveland Vascular Institute, LLC Vascular Surgery Physician · Warrensville Heights, OH NPI 1871639146

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-10-10.