Doctor profile · Federal record

Dr. Allen Foster, MD

Sleep Medicine (Internal Medicine) Physician (CMS: Sleep Medicine) · Internal Medicine Physician · La Crosse, WI

  • NPI 1043261399
  • Accepts Medicare
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1836 South Ave
La Crosse, WI 546015429
(608) 782-7300
Additional location
430 E Division St
Fond du LAC, WI 549354560
(715) 235-5531
fax (715) 233-7645

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
April 18, 2024
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207RS0012X — NUCC code
State license (1)
Wisconsin #38156-020
Medicaid
WI #32286700

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043261399. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
350
Distinct HCPCS
5
Medicare allowed
$40,750
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 156 145 $121
99213 Established patient office or other outpatient visit, 20-29 minutes 129 118 $86
99215 Established patient office or other outpatient visit, 40-54 minutes 34 31 $168
95811 Sleep study in sleep lab with continuous airway pressure (6 years or older) 16 15 $118
99205 New patient office or other outpatient visit, 60-74 minutes 15 15 $209

In context: peer comparison

Among 3 peers in La Crosse Sleep Medicine (Internal Medicine) Physician, average services per provider: 71. This provider delivers 4.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
286
Patients
52
Total drug cost
$6,845
Drug Type Claims Patients Total cost
Gabapentin Generic 143 39 $1,427
Pramipexole Dihydrochloride (Pramipexole di-Hcl) Brand 40 13 $1,098
Ropinirole Hcl Generic 29 0 $497
Clonazepam Generic 23 0 $125
Armodafinil Generic 22 0 $2,541
Montelukast Sodium Generic 15 0 $248
Modafinil Generic 14 0 $909

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Allen Foster's medical specialty?
Dr. Allen Foster practices Sleep Medicine (Internal Medicine) Physician in La Crosse, WI.
Where does Dr. Allen Foster practice?
Dr. Allen Foster practices at 1836 South Ave, La Crosse, WI 546015429. Office phone: 6087827300.
What is Dr. Allen Foster's NPI?
Dr. Allen Foster's National Provider Identifier (NPI) is 1043261399, issued by NPPES.
Does Dr. Allen Foster accept Medicare assignment?
Yes. Dr. Allen Foster accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Allen Foster commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.