Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Health & Oncology Services, Inc

Hematology & Oncology Physician in Porter, IN · enumerated 2006 · authorized official Mary Klein, President.

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

National Provider Identifier

1801851241

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Registry record

Entity type Organization (Type 2)

Legal business name Health & Oncology Services, Inc

Practice address 1190 N State Road 49, Porter, IN, 46304

Phone (219) 926-2146

Fax (219) 926-3721

Enumeration date Apr 19, 2006

Last updated in NPPES Aug 26, 2008

Taxonomy & classification

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Mary Klein

Title President

Phone (219) 926-2146

Other identifiers

Identifier	Type	State	Issuer
200108960	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

What type of organization is Health & Oncology Services, Inc?

Health & Oncology Services, Inc is registered in NPPES as a Hematology & Oncology Physician (its primary provider taxonomy).

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

Providers at this address

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Lyle Munn Hematology & Oncology Physician · Porter, IN NPI 1831198928 Carole Tengblad Family Nurse Practitioner · Porter, IN NPI 1982603072

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-08-26.