William Ehlenbach, MD
NPI 1437126166 · Pulmonary Disease Physician · Madison, WI
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Ehlenbach, MD is a Pulmonary Disease Physician provider in Madison, WI (NPI 1437126166).
Provider details
- NPI number
- 1437126166
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 46884 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
477 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 100 | $195 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 79 | $120 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 50 | $15 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 43 | $83 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 40 | $110 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 107 | 20 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 61 | 24 |
| Umeclidinium Brm/Vilanterol Trbrand: Anoro Ellipta | 49 | — |
| Fluticasone Propionate | 48 | — |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 46 | — |
| Fluticasone Propion/Salmeterolbrand: Fluticasone-Salmeterol | 45 | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-01
- Last updated
- 2022-08-24
- Certified
- 2022-08-24
Frequently asked questions
- What is William Ehlenbach's NPI number?
- William Ehlenbach's National Provider Identifier (NPI) is 1437126166, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Ehlenbach's specialty?
- William Ehlenbach is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is William Ehlenbach located?
- William Ehlenbach's practice location on file with NPPES is 700 S Park St Ste a, Madison, WI 53715-1830.
- What is William Ehlenbach's phone number?
- The practice phone number listed in the NPPES registry for William Ehlenbach is (608) 260-2900.
- Does William Ehlenbach accept Medicare?
- William Ehlenbach is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Ehlenbach's NPI active?
- Yes — William Ehlenbach's NPI (1437126166) is active in the NPPES registry as of the last update on 2022-08-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.