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Dr. Daniel J. Rowan, MD

Pathology (Anatomic Pathology & Clinical Pathology Physician)

2323 N Lake Dr
Milwaukee, WI 53211

Who else practices at this address →

Milwaukee County includes primary care (32% of residents) and mental health (34% of residents) shortage areas. About shortage areas

Call (414) 585-1448

  • Medicare participating

At a glance

Years since graduation
13
In the NPI registry since
2013
Medicare patients seen, 2024
846

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is

Education and training

  • 2013Registered with an NPI (national billing number; not a license date)

Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • Anatomic Pathology & Clinical Pathology Physician primary
    WI license 63332

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Pathology per capita by county →

Where they work

Hospitals

Medical groups

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.

Medicare patients and services

Medicare patients, 2024
846
Services billed
2,125
Patients’ average age
73
Most frequent Medicare services, 2023
ServiceTimesPatients
Pathology examination of tissue using a microscope, intermediate complexity733391
Protein measurement, serum300252
Special stained specimen slides to examine tissue, each additional procedure24451
Immunologic analysis technique on serum (immunofixation)199165
Special stained specimen slides to examine tissue, initial procedure133116
Pathology examination of tissue using a microscope, moderately high complexity9472
Special stained specimen slides to examine tissue including interpretation and report6320
Protein measurement, body fluid4646
Pathology examination of tissue using a microscope, moderately low complexity3837
Immunologic analysis technique on body fluid, other fluids with concentration3432

Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.

Other Pathology clinicians in Milwaukee

Sources

NPI registry (CMS NPPES, November 2026; record last updated November 3, 2022), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1558604108. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.