Allen C. Foster, MD

Sleep Medicine Internal Medicine

Internal Medicine

Allen C. Foster is a Sleep Medicine Internal Medicine specialist based in La Crosse, WI with over 33 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(608) 782-7300La Crosse, WI
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Allen C. Foster, MD has been part of the La Crosse medical community since 2006 in group practice. A University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) graduate since 1993, he brings 33+ years of experience. He regularly sees Medicare patients with hypertension, high cholesterol, and arthritis (per CMS claims data).

At a glance

  • Uses generic medications more than 92% of reporting doctors in Wisconsin
  • Virtual visits available — no app or travel required
1 of 7 Internal Medicine providers in WISee all Internal Medicine in La Crosse33+ years experienceNPI since 2006

Older · 766dNPPES updated 2024-04-18 · verify NPI on CMS · Verify license at Wisconsin Medical Examining Board

Contact & Location

Practice Location

1836 South Ave, La Crosse, WI 54601-5429

CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.

Generic Rx

↑ Higher = better

96.6%

Wisconsin avg: 82.2 · US avg: 82.8

Higher than most doctors nationally(+13.8 pts)

Top 8% of reporting doctors in Wisconsin

How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.

Medicare Patients

268

Unique beneficiaries

Standard volume

Prescription Recipients

75

Patients prescribed

Prescriptions Written

324

Total claims

Total Medicare drug cost: $9k

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
Lower than avg (-4%)45%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-4%) — less common here

Diabetes
Higher than avg (+5%)39%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

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

Ischemic Heart Disease
32%

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

US avg: 31.7%
Chronic Kidney Disease
Higher than avg (+1%)31%

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

US avg: 29.6%

↑ More patients than average (+1%) — a focus area for this doctor

Atrial Fibrillation
Higher than avg (+4%)26%

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

US avg: 22%

↑ More patients than average (+4%) — a focus area for this doctor

Heart Failure
22%

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

US avg: 22.5%
GeneralBehavioralNational avg

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

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Background & Specialty

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

Career Journey
  1. Graduated medical school · 1993

    University of Illinois College of Medicine

  2. Board certified · Apr 17, 2024

    Self-reported via NPPES

  3. 33 years in practice

    Senior practitioner

Internal MedicineSleep Medicine in La CrosseAllopathic & Osteopathic Physicians

An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.

Taxonomy: 207RS0012X

Education & Training

University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (Class of 1993)

Virtual Sleep Medicine Care With Allen C. Foster

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

Schedule a virtual visit with Allen C. Foster for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to La Crosse 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 Allen C. Foster

Dr. Foster is listed as active in the NPI registry with telehealth listed in La Crosse, WI. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (608) 782-7300.

Verified across 4 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.

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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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