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
Mailing address1614 E Norris Dr, Ottawa, IL 61350-3681

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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