NPIMap

Organization Active NPI

St Margaret Mercy Healthcare Centers, Inc.

  • Surgery Physician
  • Hammond, IN
National Provider Identifier
1245309376
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
Legal business name
ST MARGARET MERCY HEALTHCARE CENTERS, INC.
Practice address
2450 169TH St
Hammond, IN 46323-2074
Phone
(219) 845-6666
Fax
(219) 845-5150
NPI assigned
Nov 6, 2006
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Thomas Gryzbek
Title
President
Phone
(219) 932-2300

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207R00000X
Endocrinology, Diabetes & Metabolism PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207RE0101X
Surgery PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 208600000X Primary

Addresses

Primary practice location

2450 169TH St
Hammond, IN 46323-2074

Mailing address

PO Box 1000
Dyer, IN 46311-0800
Phone (219) 864-2107

Other names 1

  • Woodmar Clinic Doing business as

National Provider Directory

National Provider Directory
Tax ID family
Dyer Family Practice17 organizations share this tax ID, including this one

Other organizations with this tax ID 16

Organizations that report the same tax identification number in the National Provider Directory.

View all 16

Locations

3001 Dickey Rd
East Chicago, IN 46312

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1162771200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1245309376",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1000",
            "city": "DYER",
            "state": "IN",
            "postal_code": "463110800",
            "telephone_number": "219-864-2107",
            "fax_number": "219-864-2251"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2450 169TH ST",
            "city": "HAMMOND",
            "state": "IN",
            "postal_code": "463232074",
            "telephone_number": "219-845-6666",
            "fax_number": "219-845-5150"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "ST MARGARET MERCY HEALTHCARE CENTERS, INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-11-06",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "GRYZBEK",
        "authorized_official_first_name": "THOMAS",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "219-932-2300"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RE0101X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Surgery",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Woodmar Clinic",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Hammond, IN

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.