ST MARGARET MERCY INPATIENT SPECIALIST
NPI 1255403135
Internal Medicine in Hammond, IN

Q: What is St Margaret Mercy Healthcare Centers Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since November 15, 2006

5454 S HOHMAN AVE, HAMMOND, IN 46320(219) 932-2300(219) 852-2502 Get Directions Write a Review

NPPES record last updated: June 23, 2010. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About St Margaret Mercy Inpatient Specialist NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ST MARGARET MERCY INPATIENT SPECIALIST (NPI 1255403135) is a healthcare organization registered as an internal medicine in Hammond, Indiana and active in the NPI registry since November 2006. The organization lists Thomas Gryzbek, President, as its authorized official.

NPPES Registry Identity

NPI1255403135

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameST MARGARET MERCY HEALTHCARE CENTERS INC

Location Address5454 S HOHMAN AVEHammond, IN 46320-1931

Mailing AddressPo Box 1000Dyer, IN 46311-0800 · (219) 864-2107 · Fax (219) 864-2251

Phone(219) 932-2300

Fax(219) 852-2502

Organization SubpartNo

Authorized OfficialThomas GryzbekPresident · (219) 933-2300

Enumeration DateNovember 15, 2006

Last NPPES UpdateJune 23, 2010

✔ NPI 1255403135 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedHospitalistTaxonomy 208M00000X

5454 S HOHMAN AVE, Hammond, IN 46320

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Other Names 1

Doing Business AsSt Margaret Mercy Inpatient Specialist

Other Identifiers 2

Medicare PIN140220IN

Medicaid200159110HIN

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ST MARGARET MERCY HEALTHCARE CENTERS, INC.

Obstetrics & Gynecology