Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum Organization subpart

Dermatopathology Lab of Skin Cancer Specialists, P.C.

Clinical Medical Laboratory in Marietta, GA · enumerated 2013 · authorized official Mark Chastain, M.D., President.

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

National Provider Identifier

1083044465

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Registry record

Entity type Organization (Type 2)

Legal business name Dermatopathology Lab of Skin Cancer Specialists, P.C.

Parent organization Skin Cancer Specialists P.C

Practice address 175 White Street, Suite 370, Marietta, GA, 30060

Phone (770) 422-5557

Fax (770) 422-8816

Enumeration date Nov 20, 2013

Last updated in NPPES Nov 20, 2013

Taxonomy & classification

291U00000X Clinical Medical Laboratory Laboratories Primary

Authorized official

Name Mark Chastain, M.D.

Title President

Phone (770) 422-5557

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

Who is the authorized official for Dermatopathology Lab of Skin Cancer Specialists, P.C.?

NPPES lists Mark Chastain, M.D. (President) as the authorized official for this organization.

What is the NPI number for Dermatopathology Lab of Skin Cancer Specialists, P.C.?

The NPI for Dermatopathology Lab of Skin Cancer Specialists, P.C. is 1083044465, a Type 2 (organization) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-11-20.