Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
John Zajecka, M.D.
Psychiatry Physician in Skokie, IL · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1275661399
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Registry record
Entity type Individual (Type 1)
Name John Zajecka
Credential M.D.
Sex Male
Practice address 4711 Golf Rd Ste 1200, Skokie, IL, 60076
Phone (847) 679-8000
Fax (847) 679-8002
Enumeration date Mar 1, 2007
Last updated in NPPES Jul 21, 2022
Taxonomy & licenses
2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License 036071498 (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.
Frequently asked questions
Where does John Zajecka practice?
The practice location on file with NPPES is in Skokie, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Zajecka?
The National Provider Identifier (NPI) for John Zajecka is 1275661399, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Adrienne Balsam Psychiatry Physician · Skokie, IL NPI 1285684365 Laura Jones Psychiatry Physician · Skokie, IL NPI 1457475386 Joshua Eloge Psychiatry Physician · Skokie, IL NPI 1215254099 Michael Topel Clinical Psychologist · Skokie, IL NPI 1861704207 Inna Dilman Physician Assistant · Skokie, IL NPI 1245586627 Timothy Morrill Adult Health Nurse Practitioner · Skokie, IL NPI 1205263019 Rebecca Shukhman Psychiatry Physician · Skokie, IL NPI 1902335433 Mollyrose Kelly Clinical Psychologist · Skokie, IL NPI 1386126449
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-21.