Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Chest Clinic, PC

Internal Medicine Physician in Michigan City, IN · enumerated 2006 · authorized official Siraj Ahmed, Physician/President.

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

National Provider Identifier

1053492926

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Registry record

Entity type Organization (Type 2)

Legal business name Chest Clinic, PC

Practice address 10176 W 400 N, Suite B, Michigan City, IN, 46360

Phone (219) 878-5864

Fax (219) 878-0632

Enumeration date Oct 18, 2006

Last updated in NPPES Apr 28, 2009

Taxonomy & classification

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 50003970A (IN) Primary

Authorized official

Name Siraj Ahmed

Title Physician/President

Phone (219) 878-5864

Other identifiers

Identifier	Type	State	Issuer
200903550B	Medicaid	IN	-
100165460A	Medicaid	IN	-
200903550 A	Medicaid	IN	-
000000104803	Other	IN	ANTHEM GROUP PROVIDER NUM
200903550C	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

Where is Chest Clinic, PC located?

The practice location on file with NPPES is in Michigan City, IN.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2009-04-28. Verify at npiregistry.cms.hhs.gov.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-04-28.