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Dr. Alexander Mueller Timchak, M.D.

Psychiatry Physician in Northbrook, IL · enumerated 2009.

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

National Provider Identifier

1174752000

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Registry record

Entity type Individual (Type 1)
Name Dr. Alexander Mueller Timchak
Credential M.D.
Sex Male
Practice address 60 Revere Dr Ste 100, Northbrook, IL, 60062
Phone (122) 430-6187
Enumeration date Jul 13, 2009
Last updated in NPPES Jan 2, 2024

Taxonomy & licenses

2084P0804X Child & Adolescent Psychiatry Physician Allopathic & Osteopathic Physicians · License 036.129063 (IL) Secondary
2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License 125056153 (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.

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Frequently asked questions

What is the NPI number for Alexander Timchak?
The National Provider Identifier (NPI) for Alexander Timchak is 1174752000, a Type 1 (individual) record in the CMS NPPES registry.
Where does Alexander Timchak practice?
The practice location on file with NPPES is in Northbrook, 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 2024-01-02.