Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

St Margaret Mercy Healthcare

Q: What is the NPI number for St Margaret Mercy Healthcare?

The NPI for St Margaret Mercy Healthcare is 1245213990, a Type 2 (organization) record in the CMS NPPES registry.

Clinic/Center in Hammond, IN · enumerated 2005 · authorized official Tom Gryzbek, President.

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

National Provider Identifier

1245213990

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Registry record

Entity type Organization (Type 2)

Legal business name St Margaret Mercy Healthcare

Practice address 5454 S Hohman Ave, Hammond, IN, 46320

Phone (219) 864-2107

Fax (219) 864-2251

Enumeration date Nov 28, 2005

Last updated in NPPES Jan 15, 2010

Taxonomy & classification

261Q00000X Clinic/Center Ambulatory Health Care Facilities Primary

Authorized official

Name Tom Gryzbek

Title President

Phone (219) 932-2300

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 St Margaret Mercy Healthcare?

The NPI for St Margaret Mercy Healthcare is 1245213990, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for St Margaret Mercy Healthcare?

NPPES lists Tom Gryzbek (President) as the authorized official for this organization.

Providers at this address

Browse all →

Grace Duarte Emergency Medicine Physician · Hammond, IN NPI 1518952043 Vietta Johnson Orthopaedic Surgery Physician · Hammond, IN NPI 1285686899 St. Margaret Mercy Healthcare Centers Anesthesiology Physician · Hammond, IN NPI 1528082906 Jong Liu Diagnostic Radiology Physician · Hammond, IN NPI 1306952957 St Margaret Mercy Healthcare Centers Inc Internal Medicine Physician · Hammond, IN NPI 1255403135 St Margaret Mercy Healthcare Centers, Inc. Neonatal-Perinatal Medicine Physician · Hammond, IN NPI 1124190020 St Margaret Mercy Healthcare Centers, Inc. Obstetrics & Gynecology Physician · Hammond, IN NPI 1073685970 Evelyn Sell Audiologist · Hammond, IN NPI 1689893059

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-01-15.