Doctor profile · Federal record

Dr. William Ehlenbach, MD

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Critical Care Medicine (Internal Medicine) Physician · Madison, WI

  • NPI 1437126166
  • Accepts Medicare
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
700 S Park St Ste A
Madison, WI 537151830
(608) 260-2900
fax (608) 260-2951

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
August 24, 2022
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State licenses (2)
Wisconsin #46884-20 · Wisconsin #46884
Medicaid
WI #1437126166

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437126166. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
633
Distinct HCPCS
10
Medicare allowed
$72,042
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 112 59 $198
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 67 43 $112
99214 Established patient office or other outpatient visit, 30-39 minutes 65 48 $119
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 58 32 $74
J7613 Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg 51 17 $0
99205 New patient office or other outpatient visit, 60-74 minutes 50 50 $206
99215 Established patient office or other outpatient visit, 40-54 minutes 42 33 $169
94729 Test to examine how well the lungs exchange gases 33 33 $48
94726 Test to determine lung volumes using sensors 31 31 $46
99213 Established patient office or other outpatient visit, 20-29 minutes 30 29 $85

In context: peer comparison

Among 23 peers in Madison Pulmonary Disease Physician, average services per provider: 47. This provider delivers 13× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
528
Patients
93
Total drug cost
$193,380
Drug Type Claims Patients Total cost
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 71 16 $54,887
Azithromycin Generic 46 0 $672
Symbicort (Budesonide/Formoterol Fumarate) Brand 46 13 $24,869
Prednisone Generic 45 30 $318
Advair Diskus (Fluticasone Propion/Salmeterol) Brand 43 0 $21,778
Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) Brand 41 0 $20,630
Fluticasone Propionate Generic 39 19 $744
Stiolto Respimat (Tiotropium Br/Olodaterol Hcl) Brand 38 0 $21,789
Ventolin Hfa (Albuterol Sulfate) Brand 29 0 $2,536
Breo Ellipta (Fluticasone/Vilanterol) Brand 28 0 $15,387

Frequently asked questions

Auto-generated from federal data
What is Dr. William Ehlenbach's medical specialty?
Dr. William Ehlenbach practices Pulmonary Disease Physician in Madison, WI.
Where does Dr. William Ehlenbach practice?
Dr. William Ehlenbach practices at 700 S Park St Ste A, Madison, WI 537151830. Office phone: 6082602900.
What is Dr. William Ehlenbach's NPI?
Dr. William Ehlenbach's National Provider Identifier (NPI) is 1437126166, issued by NPPES.
Does Dr. William Ehlenbach accept Medicare assignment?
Yes. Dr. William Ehlenbach accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Ehlenbach commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.