Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Medical Specialists of Madison County, PC

Pulmonary Disease Physician in Anderson, IN · enumerated 2006 · authorized official David Mares, President.

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

National Provider Identifier

1508891664

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Registry record

Entity type Organization (Type 2)

Legal business name Medical Specialists of Madison County, PC

Practice address 2101 Jackson St Ste 110, Anderson, IN, 46016

Phone (765) 643-6012

Fax (765) 646-9054

Enumeration date Jul 11, 2006

Last updated in NPPES Dec 19, 2024

Taxonomy & classification

207RC0200X Critical Care Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians Secondary

207RP1001X Pulmonary Disease Physician Allopathic & Osteopathic Physicians Primary

207RS0012X Sleep Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians Secondary

Authorized official

Name David Mares

Title President

Phone (765) 643-6012

Other identifiers

Identifier	Type	State	Issuer
200322260A	Medicaid	IN	-

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 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.

What type of organization is Medical Specialists of Madison County, PC?

Medical Specialists of Madison County, PC is registered in NPPES as a Pulmonary Disease Physician (its primary provider taxonomy).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-12-19.