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

Timothy G Timmerman, MD

Individual provider Cytopathology Physician · NPI 1265405781

Timothy G Timmerman, MD is a Pathology in Dubuque, Iowa. Graduated from University of Iowa, Rj & L Carver College of Medicine in 1992, 34 years ago. Practices with Mercy Medical Center-Dubuque, a 20-clinician group and accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
34
Trained at
University of Iowa, Rj & L Carver College of Medicine
Licensed in
IA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

250 Mercy Dr
Dubuque, IA 52004-0731 Not confirmed with CMS for 13 years — call before visiting
Phone: (563) 589-9615
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anatomic Pathology & Clinical Pathology Physician (primary) Taxonomy 207ZP0102X · Licence 31521 (IA)
Cytopathology Physician Taxonomy 207ZC0500X · Licence 31521 (IA)

Record details

NPI number1265405781
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 8, 2006
Last updated in NPPESJuly 31, 2013

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Medical schoolUNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Graduated 1992 (34 years in practice)
Group practice Mercy Medical Center-Dubuque — 20 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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