Timothy G. Timmerman, M.D.
Anatomic Pathology & Clinical Pathology Physician · Dubuque, IA
Timothy G. Timmerman, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Dubuque, Iowa, and NPI 1265405781, issued on Feb 8, 2006. Check the license (Iowa 31521, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Timothy G. Timmerman
- Credential
- M.D.
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- 31521 IA
Self-reported in NPPES; status is on the state search - Practice location
- 250 Mercy Dr, Dubuque, IA 52004
- Phone
- (563) 589-9615
- Enumerated
- Feb 8, 2006
- Record last updated
- Jul 31, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20060501000407); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 168 in Iowa → Look up another NPI →
Also registered at 250 Mercy Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christopher Leigh, M.D.Anatomic Pathology & Clinical Pathology Physician1922071497
- Daniel Slagel, M.D.Anatomic Pathology & Clinical Pathology Physician1942272703
Verify Timothy G. Timmerman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 31521Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $38.96
2 payments; by number, the most common kind was food and beverage; the largest payer was Becton, Dickinson and Company. The 2,607 providers of this specialty with any payment received $3,565.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Mercy Medical Center-DubuqueDubuque, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Timothy G. Timmerman among 168 anatomic pathology & clinical pathology physician records in Iowa
Timothy G. Timmerman, M.D. is one of 168 anatomic pathology & clinical pathology physician records with a practice address in Iowa. 54% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 61% newer
- In a Medicare fileYes · 54% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated1992 · median 2006 among the 87 with a school on file
- Record last updated2013 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in Iowa
There are 168 anatomic pathology & clinical pathology physician records in Iowa.
All 168 in Iowa → Every provider in Dubuque → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Michelle Kurt-Mangold, M.D.Dubuque, IA 520041063731644
- Christopher Leigh, M.D.Dubuque, IA 520041922071497
- Daniel Slagel, M.D.Dubuque, IA 520041942272703
- John Brennan, M.D.Dubuque, IA 520011649242389
- Virginia Burdine, MDDubuque, IA 520011124094941
- Paul Ellerbeck, M.D.Dubuque, IA 520011841262573
- Andrew Vanderheyden, M.D.Dubuque, IA 520011093925679
- Natalie Matics, M.D.Iowa City, IA 522401306165816
Common questions
What is Timothy G. Timmerman, M.D.'s NPI number?
Timothy G. Timmerman, M.D.'s National Provider Identifier (NPI) is 1265405781, issued on Feb 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Timothy G. Timmerman, M.D. located?
The NPPES record lists a practice address at 250 Mercy Dr, Dubuque, IA, 52004. Phone: (563) 589-9615. Providers update this record themselves, so call before visiting.
How can I verify Timothy G. Timmerman, M.D.'s license?
NPPES lists Iowa license number 31521, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.