Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Mark A Passerman, DO

Individual provider Family Medicine Physician · NPI 1851404313

Dr. Mark A Passerman, DO is a Family Practice in Dwight, Illinois. Graduated from College of Osteopathic Physicians and Surgeons of Los Angeles in 2002, 24 years ago. Practices with Morris Hospital, a 115-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
24
Trained at
College of Osteopathic Physicians and Surgeons of Los Angeles
Licensed in
IL
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

101 S Prairie Ave
Dwight, IL 60420
Phone: (815) 584-3291
Fax: (815) 584-3475
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 389 E Main St, Braidwood, IL 60408-2010 — (815) 458-2532

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 036-116449 (IL)

Record details

NPI number1851404313
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedAugust 17, 2006
Last updated in NPPESJune 14, 2021
Certification dateJune 14, 2021
Mailing address725 School St Ste A, Morris, IL 60450-1207

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolCOLLEGE OF OSTEOPATHIC PHYSICIANS AND SURGEONS OF LOS ANGELES
Graduated 2002 (24 years in practice)
Group practice Morris Hospital — 115 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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