Dr. Jonathan Carl Tiemann, DO
Dr. Jonathan Carl Tiemann, DO is an Emergency Medicine in Saint Joseph, Michigan. Graduated from Midwestern University, Chicago College of Osteopathic Med in 2021, 5 years ago. Practices with Mercy Health System Corporation, a 751-clinician group, works from 5 locations and accepts Medicare assignment. Licensed in Illinois, Indiana and Wisconsin.
- Years since qualifying
- 5
- Trained at
- Midwestern University, Chicago College of Osteopathic Med
- Licensed in
- IL, IN, WI
- In the registry since
- 2021
- Specialties on file
- 3
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.
Practice location Address checks out
1234 Napier AveSaint Joseph, MI 49085-2112
Phone: (269) 983-8300
Show map & directions
Directions in Google Maps · Apple Maps · OpenStreetMap
Pin is approximate — placed at the ZIP-code centre, not the exact door.
Additional practice locations (4)
- 875 S Route 31, Crystal Lake, IL 60014 — (779) 220-5500
- 1045 W Stephenson St, Freeport, IL 61032-4864 — (815) 599-6000
- 8201 E Riverside Blvd, Rockford, IL 61114-2300 — (815) 971-7000
- 1000 Mineral Point Ave, Janesville, WI 53548-2982 — (608) 756-6868
Specialties & licences
| Emergency Medicine Physician (primary) | Taxonomy 207P00000X · Licence 02007369A (IN) |
|---|---|
| Emergency Medicine Physician | Taxonomy 207P00000X · Licence 81595-21 (WI) |
| Emergency Medicine Physician | Taxonomy 207P00000X · Licence 036.170401 (IL) |
Record details
| NPI number | 1437732708 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | DO |
| Sole proprietor | No |
| NPI enumerated | May 4, 2021 |
| Last updated in NPPES | April 8, 2026 |
| Certification date | April 8, 2026 |
| Mailing address | 23328 Barfield Dr, Valencia, CA 91354-1923 |
Medicare enrollment
| Medicare specialty | EMERGENCY MEDICINE |
|---|---|
| Medical school | MIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED |
| Graduated | 2021 (5 years in practice) |
| Group practice | Mercy Health System Corporation — 751 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
| Practice locations | 4 on file with Medicare |
Other providers in Saint Joseph
-
Bryan D Staffin, DO
1234 Napier Ave, Saint Joseph, MI 49085-2112 · (269) 985-4541
-
Suelynn Stamper, DO
1234 Napier Ave, Saint Joseph, MI 49085-2112 · (269) 982-4941
-
Kimberly Stillman, DO
1234 Napier Ave, Saint Joseph, MI 49085-2112 · (269) 982-4941
-
Brian Timothy Taylor
1234 Napier Ave Lakeland Regional Medical Ctr, Saint Joseph, MI 49085 · (269) 982-4941
-
Dr. Christopher Trigger, MD
1234 Napier Ave, Saint Joseph, MI 49085-2112 · (269) 983-8263
-
Dr. Nicholas Walenga, MD
1234 Napier Ave, Saint Joseph, MI 49085-2112 · (312) 942-5000