David M Letzer, MD

Infectious Disease Internal Medicine

Internal Medicine

David M Letzer is an Infectious Disease Internal Medicine specialist based in Brookfield, WI with over 41 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(262) 786-4550Brookfield, WI
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

David M Letzer, MD has been part of the Brookfield medical community since 2006 in group practice. He graduated from Michigan State University College of Osteopathic Medicine in 1985 and has 41+ years of clinical experience. He regularly sees Medicare patients with hypertension, high cholesterol, and arthritis (per CMS claims data).

At a glance

  • Prescribes opioids less than 48% of reporting doctors in Wisconsin
  • Virtual visits available — no app or travel required
1 of 71 Internal Medicine providers in WISee all Internal Medicine in Brookfield41+ years experienceNPI since 2006

Older · 485dNPPES updated 2025-01-23 · verify NPI on CMS · Verify license at Wisconsin Medical Examining Board

Contact & Location

Practice Location

150 S Sunny Slope Rd Ste 136, Brookfield, WI 53005-4858

Fax: (262) 786-4552
CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor prescribes opioid pain medications conservatively.

Opioid Rx

↓ Lower = better

0.97%

Wisconsin avg: 4.3 · US avg: 5.1

Higher than most doctors nationally(-4.1 pts)

Typical range among reporting doctors in Wisconsin

0.97% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.

Medicare Patients

429

Unique beneficiaries

Standard volume

Prescription Recipients

212

Patients prescribed

Prescriptions Written

1,137

Total claims

Total Medicare drug cost: $1.08M

Percentile rankings compared against 779 reporting peers in Wisconsin.

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

Patient Condition Panel

What This Doctor Treats Most

Based on Medicare claims data — here's what patients commonly see this doctor for

Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Arthritis.

Hypertension
Higher than avg (+5%)75%

High blood pressure — a leading risk factor for heart disease and stroke

US avg: 70.2%

↑ More patients than average (+5%) — a focus area for this doctor

High Cholesterol
Higher than avg (+5%)75%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↑ More patients than average (+5%) — a focus area for this doctor

Arthritis
Higher than avg (+9%)58%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↑ More patients than average (+9%) — a focus area for this doctor

Chronic Kidney Disease
Higher than avg (+25%)55%

Gradual loss of kidney function over time, often linked to diabetes or hypertension

US avg: 29.6%

↑ More patients than average (+25%) — a focus area for this doctor

Diabetes
Higher than avg (+9%)43%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↑ More patients than average (+9%) — a focus area for this doctor

Ischemic Heart Disease
Higher than avg (+11%)43%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

US avg: 31.7%

↑ More patients than average (+11%) — a focus area for this doctor

Heart Failure
Higher than avg (+21%)43%

The heart cannot pump blood efficiently enough to meet the body's needs

US avg: 22.5%

↑ More patients than average (+21%) — a focus area for this doctor

Atrial Fibrillation
Higher than avg (+18%)40%

An irregular, often rapid heartbeat that increases the risk of stroke

US avg: 22%

↑ More patients than average (+18%) — a focus area for this doctor

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

Industry Payment Transparency

$499 received from industry

30 transactions reported in 2024 ·Low tier

View on CMS Open Payments →

Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.

Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to David M Letzer's NPI.

Community Context

Social Vulnerability Index: 0.55 / 1.00

Moderate vulnerability

He practices in a community where the CDC measures social vulnerability across socioeconomic status, household composition, racial/ethnic minority status, and housing/transportation factors. A higher index indicates more residents may face barriers accessing care.

Source: CDC/ATSDR Social Vulnerability Index.

Patient Reviews

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 1985

    Michigan State University College of Osteopathic Medicine

  2. Board certified · Jan 22, 2025

    Self-reported via NPPES

  3. 41 years in practice

    Senior practitioner

Internal MedicineInfectious Disease in BrookfieldAllopathic & Osteopathic Physicians

Infectious disease specialists diagnose and treat complex infections including HIV/AIDS, hepatitis, tuberculosis, antibiotic-resistant infections (MRSA), post-surgical infections, and travel-related illnesses. They also provide pre-travel vaccination counseling and manage infections in immunocompromised patients.

Taxonomy: 207RI0200X

Education & Training

Michigan State University College of Osteopathic Medicine (Class of 1985)

Virtual Infectious Disease Care With David M Letzer

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with David M Letzer for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Brookfield required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about David M Letzer

Dr. Letzer is listed as active in the NPI registry with telehealth listed in Brookfield, WI. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (262) 786-4550.

Verified across 7 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator · HRSA HPSA · CDC SVI. See Data Methodology.

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Claim Profile

Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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