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

Dr. Ryan Joseph Tremb, DO

Individual provider Family Medicine Physician · NPI 1568638989

Dr. Ryan Joseph Tremb, DO is a Family Practice in Ottawa, Illinois. Qualified in 2005, 21 years ago. Practices with Ottawa Regional Hospital and Healthcare Center, a 49-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
21
Licensed in
IL
In the registry since
2008
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.

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Practice location Address checks out

1614 E Norris Dr
Ottawa, IL 61350-3681
Phone: (815) 433-1010
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 036119146 (IL)

Record details

NPI number1568638989
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 6, 2008
Last updated in NPPESOctober 23, 2015

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Ottawa Regional Hospital And Healthcare Center — 49 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

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