William Decker, D.O.
NPI 1942205208 · Pulmonary Disease Physician · Adrian, MI
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Decker, D.O. is a Pulmonary Disease Physician provider in Adrian, MI (NPI 1942205208).
Provider details
- NPI number
- 1942205208
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 5101009355 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,696 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 801 | $125 |
| Test to Measure Expiratory Airflow and Volume Changes Before and After Medication Administration94060 | 182 | $34 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 153 | $78 |
| Critical Care, First 30-74 Minutes99291 | 130 | $212 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 81 | $158 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 79 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 1,148 | 224 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 674 | 184 |
| Prednisone | 648 | 297 |
| Furosemide | 205 | 63 |
| Potassium Chloride | 194 | 65 |
| Albuterol Sulfatebrand: Ventolin Hfa | 143 | 43 |
| Cefuroxime Axetil |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,516 across 75 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-14
- Last updated
- 2023-11-03
- Certified
- 2020-03-23
Frequently asked questions
- What is William Decker's NPI number?
- William Decker's National Provider Identifier (NPI) is 1942205208, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Decker's specialty?
- William Decker is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is William Decker located?
- William Decker's practice location on file with NPPES is 777 Kimole Ln Ste 100, Adrian, MI 49221-1400.
- What is William Decker's phone number?
- The practice phone number listed in the NPPES registry for William Decker is (517) 265-3411.
- Does William Decker accept Medicare?
- William Decker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Decker's NPI active?
- Yes — William Decker's NPI (1942205208) is active in the NPPES registry as of the last update on 2023-11-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.