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

Dr. Miriam S Lutwak, M.D.

Psychiatry Physician in Highland Park, IL · enumerated 2012.

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

National Provider Identifier

1023371234

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Registry record

Entity type Individual (Type 1)

Name Dr. Miriam S Lutwak

Credential M.D.

Sex Female

Practice address Highland Park, IL, 60035

Phone (847) 926-0212

Fax (847) 681-0917

Enumeration date Jun 21, 2012

Last updated in NPPES Jun 21, 2012

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

Taxonomy & licenses

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License 036073274 (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 Miriam Lutwak?

The National Provider Identifier (NPI) for Miriam Lutwak is 1023371234, a Type 1 (individual) record in the CMS NPPES registry.

Where does Miriam Lutwak practice?

The practice location on file with NPPES is in Highland Park, IL. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-06-21.