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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Sandra Grochowski, MD

Emergency Medicine Physician in Chicago Heights, IL · enumerated 2006.

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

National Provider Identifier

1194776492

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Registry record

Entity type Individual (Type 1)
Name Sandra Grochowski
Credential MD
Sex Female
Practice address Chicago Heights, IL, 60411
Fax (708) 991-2630
Enumeration date May 12, 2006
Last updated in NPPES Sep 19, 2018

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 036.117340 (IL) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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 Sandra Grochowski?
The National Provider Identifier (NPI) for Sandra Grochowski is 1194776492, a Type 1 (individual) record in the CMS NPPES registry.
Where does Sandra Grochowski practice?
The practice location on file with NPPES is in Chicago Heights, IL. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-09-19.