Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Diane G. Oliver, MD

Q: What type of organization is Diane G. Oliver, MD?

Diane G. Oliver, MD is registered in NPPES as a Anatomic Pathology & Clinical Pathology Physician (its primary provider taxonomy).

Anatomic Pathology & Clinical Pathology Physician in Gardnerville, NV · enumerated 2007 · authorized official Diane Oliver, President.

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

National Provider Identifier

1992916019

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Registry record

Entity type Organization (Type 2)

Legal business name Diane G. Oliver, MD

Practice address 1107 Highway 395 S, Department of Pathology, Gardnerville, NV, 89410

Phone (775) 782-1536

Fax (775) 782-1543

Enumeration date May 24, 2007

Last updated in NPPES Sep 11, 2007

Taxonomy & classification

207ZC0500X Cytopathology Physician Allopathic & Osteopathic Physicians Secondary

207ZP0102X Anatomic Pathology & Clinical Pathology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Diane Oliver

Title President

Phone (775) 782-1536

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

What type of organization is Diane G. Oliver, MD?

Diane G. Oliver, MD is registered in NPPES as a Anatomic Pathology & Clinical Pathology Physician (its primary provider taxonomy).

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-09-11.