NPPES file of Aug 9, 2026

Dennis John Firchau, M.D.

Anatomic Pathology Physician · Iowa City, IA

Dennis John Firchau, M.D. is an anatomic pathology physician with a practice address in Iowa City, Iowa, and NPI 1437236429, issued on Nov 1, 2006. Check the license (Iowa 39100, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437236429
Name
Dennis John Firchau
Credential
M.D.
Primary taxonomy
Anatomic Pathology Physician 207ZP0101X
License numbers
39100 IA
51099 MN
48403-020 WI
Self-reported in NPPES; status is on the state search
Practice location
200 Hawkins Dr, Iowa City, IA 52242
Phone
(319) 356-4433
Enumerated
Nov 1, 2006
Record last updated
Aug 11, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(319) 384-8053
Medicare enrollment
Enrolled (PECOS I20100910000170); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 2004
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 200 Hawkins Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Helena Aaberg, MDAnesthesiology Physician1689301558
  2. Abdullah Abbasi, MDGastroenterology Physician1932944204
  3. Mary Jo Abbott, RPHPharmacist1841325875
  4. Francois Abboud, MDCardiovascular Disease Physician1598753113
  5. Abdalla Abdalla, MBBCHAnatomic Pathology & Clinical Pathology Physician1518859826
  6. Sameh AbdallaAnatomic Pathology & Clinical Pathology Physician1437902160

Verify Dennis John Firchau in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license 39100
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Iowa license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. State University OF IowaIowa City, IA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Dennis John Firchau among 29 anatomic pathology physician records in Iowa

Dennis John Firchau, M.D. is one of 29 anatomic pathology physician records with a practice address in Iowa. 55% 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 34% of them.

  • NPI issued2006 · 34% of these records are older, 48% newer
  • In a Medicare fileYes · 55% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2004 · median 2006 among the 17 with a school on file
  • Record last updated2010 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0101X 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 Physician providers in Iowa

There are 29 anatomic pathology physician records in Iowa.

The 8 anatomic pathology physician records with the nearest ZIP codes

  1. Jo Benda, MDIowa City, IA 522421063400869
  2. Robert Cook, MDIowa City, IA 522421114915915
  3. Laila Dahmoush, MDIowa City, IA 522421861480667
  4. Morris Dailey, MD FACSIowa City, IA 522421619965415
  5. Marco Hefti, M.D.Iowa City, IA 522421568600468
  6. Charles Lynch, MDIowa City, IA 522421386632149
  7. Frank Mitros, MDIowa City, IA 522421558359315
  8. Charles Platz, MDIowa City, IA 522421669460465

Common questions

What is Dennis John Firchau, M.D.'s NPI number?

Dennis John Firchau, M.D.'s National Provider Identifier (NPI) is 1437236429, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Dennis John Firchau, M.D. located?

The NPPES record lists a practice address at 200 Hawkins Dr, Iowa City, IA, 52242. Phone: (319) 356-4433. Providers update this record themselves, so call before visiting.

How can I verify Dennis John Firchau, M.D.'s license?

NPPES lists Iowa license number 39100, 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.