Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Chattanooga Surgical Oncology and Associates, Pllc

Surgical Oncology Physician in Chattanooga, TN · enumerated 2007 · authorized official Charles Portera, Owner.

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

National Provider Identifier

1528184744

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Registry record

Entity type Organization (Type 2)

Legal business name Chattanooga Surgical Oncology and Associates, Pllc

Practice address 721 Glenwood Dr, Suite 471w, Chattanooga, TN, 37404

Phone (423) 622-2494

Fax (423) 622-4532

Enumeration date Mar 21, 2007

Last updated in NPPES Sep 11, 2025

Taxonomy & classification

208600000X Surgery Physician Allopathic & Osteopathic Physicians Secondary

2086X0206X Surgical Oncology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Charles Portera

Title Owner

Phone (423) 622-2494

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 is the NPI number for Chattanooga Surgical Oncology and Associates, Pllc?

The NPI for Chattanooga Surgical Oncology and Associates, Pllc is 1528184744, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Chattanooga Surgical Oncology and Associates, Pllc?

NPPES lists Charles Portera (Owner) as the authorized official for this organization.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-11.