Joseph Mcmahon, MD
NPI 1841266889 · Pulmonary Disease Physician · Monona, WI
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Mcmahon, MD is a Pulmonary Disease Physician provider in Monona, WI (NPI 1841266889).
Provider details
- NPI number
- 1841266889
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 43309 (WI)
Specialties & taxonomies
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
409 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) |
|---|---|---|
| Test to Measure Expiratory Airflow and Volume94010 | 74 | $25 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 61 | $52 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 50 | $68 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 42 | $169 |
| Test to Determine Lung Volumes Using Sensors94726 | 37 | $50 |
| Test for Exercise-Induced Lung Stress94618 | 35 | $32 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 55 | 13 |
| Fluticasone Propionate | 40 | 16 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 35 | 17 |
| Prednisone | 29 | — |
| Azithromycin | 22 | — |
| Tiotropium Br/Olodaterol Hclbrand: Stiolto Respimat | 22 | — |
| Albuterol Sulfate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-28
- Last updated
- 2025-09-23
- Certified
- 2025-09-23
Frequently asked questions
- What is Joseph Mcmahon's NPI number?
- Joseph Mcmahon's National Provider Identifier (NPI) is 1841266889, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Mcmahon's specialty?
- Joseph Mcmahon is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Mcmahon located?
- Joseph Mcmahon's practice location on file with NPPES is 3837 Monona Dr Unit 8, Monona, WI 53714-2877.
- What is Joseph Mcmahon's phone number?
- The practice phone number listed in the NPPES registry for Joseph Mcmahon is (608) 212-8006.
- Does Joseph Mcmahon accept Medicare?
- Joseph Mcmahon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Mcmahon's NPI active?
- Yes — Joseph Mcmahon's NPI (1841266889) is active in the NPPES registry as of the last update on 2025-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.