Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

D Mark Oelrich, MD

Dermatology Physician in West Chester, OH · enumerated 2006.

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

National Provider Identifier

1518975853

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Registry record

Entity type Individual (Type 1)

Name D Mark Oelrich

Credential MD

Sex Male

Practice address 7665 Monarch Court, Ste 107, West Chester, OH, 45069

Phone (513) 779-1800

Fax (513) 779-1901

Enumeration date Aug 3, 2006

Last updated in NPPES Jul 13, 2007

Taxonomy & licenses

207N00000X Dermatology Physician Allopathic & Osteopathic Physicians · License OH35046715 (OH) 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
000000029307	Other	-	ANTHEM
0640613	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.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1518975853 active?

Yes, as of the latest NPPES snapshot, NPI 1518975853 is active (record last updated 2007-07-13).

How do I verify D Oelrich's NPI record?

Cross-check NPI 1518975853 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-13.