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Mark Conrad Ottelin, MD

Urology Physician in Greensboro, NC · enumerated 2005.

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

National Provider Identifier

1164418216

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Registry record

Entity type Individual (Type 1)
Name Mark Conrad Ottelin
Credential MD
Sex Male
Practice address 509 N Elam Ave Fl 2, Greensboro, NC, 27403
Phone (336) 274-1114
Fax (336) 232-5325
Enumeration date Sep 23, 2005
Last updated in NPPES Feb 11, 2011

Taxonomy & licenses

208800000X Urology Physician Allopathic & Osteopathic Physicians · License 35458 (NC) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
64398 Other NC BLUE CROSS BLUE SHIELD
8964398 Medicaid NC -

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

What is the NPI number for Mark Ottelin?
The National Provider Identifier (NPI) for Mark Ottelin is 1164418216, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mark Ottelin practice?
The practice location on file with NPPES is in Greensboro, NC. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-02-11.