Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

St Margaret Mercy Healthcare Centers Inc

Organization Internal Medicine Physician · NPI 1255403135

St Margaret Mercy Healthcare Centers Inc is an Internal Medicine Physician in Hammond, Indiana. Registered with an NPI since 2006.

In the registry since
2006
Specialties on file
2
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

5454 S Hohman Ave
Hammond, IN 46320-1931
Phone: (219) 932-2300
Fax: (219) 852-2502
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X
Hospitalist Physician Taxonomy 208M00000X

Record details

NPI number1255403135
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Thomas Gryzbek — President · (219) 933-2300
Other names St Margaret Mercy Inpatient Specialist
NPI enumeratedNovember 15, 2006
Last updated in NPPESJune 23, 2010
Mailing addressPo Box 1000, Dyer, IN 46311-0800

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