HealthCareAtlasUSA

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Doctors / NJ

JOHN C KOLLAR, DO

GENERAL SURGERY

Medical school: ROWAN UNIVERSITY SCHOOL OF OSTEOPATHIC MEDICINE

Graduated: 1987

NPI: 1841227352

Practice Locations (4)

BERGEN COUNTY IMPROVEMENT AUTHORITY

230 E RIDGEWOOD AVE

PARAMUS, NJ 076524142

2019674000

383 MARKET ST, BLD B 4

SADDLE BROOK, NJ 076635941

383 MARKET ST, BLDG B 4

SADDLE BROOK, NJ 076635300

2017127900

383 MARKET ST B

SADDLE BROOK, NJ 076635300

Source: CMS National Downloadable File, September 2026.

JOHN KOLLAR, DO | HealthCareAtlasUSA