NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Mark Loren Denzine, DO

Adult Reconstructive Orthopaedic Surgery Physician in Cleveland, OH · enumerated 2006.

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

National Provider Identifier

1487670634

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Registry record

Entity type Individual (Type 1)
Name Dr. Mark Loren Denzine
Credential DO
Sex Male
Practice address Cleveland, OH, 44195
Enumeration date Jul 14, 2006
Last updated in NPPES Jul 21, 2022

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207XS0114X Adult Reconstructive Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License H84961 (MD) Primary
207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 34.012790 (OH) Secondary
207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License OT014667 (PA) Secondary
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

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 do I verify Mark Denzine's NPI record?
Cross-check NPI 1487670634 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1487670634 active?
Yes, as of the latest NPPES snapshot, NPI 1487670634 is active (record last updated 2022-07-21).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-21.