John Willoughby, M.D.
NPI 1962847533 · Pulmonary Disease Physician · Shelby Twp, MI
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Willoughby, M.D. is a Pulmonary Disease Physician provider in Shelby Twp, MI (NPI 1962847533).
Provider details
- NPI number
- 1962847533
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301116987 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 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
2,439 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 644 | $126 |
| Critical Care, First 30-74 Minutes99291 | 395 | $228 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 327 | $133 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 147 | $184 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 132 | $84 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 476 | 125 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 156 | 84 |
| Prednisone | 83 | 42 |
| Montelukast Sodium | 83 | 24 |
| Budesonide/Glycopyr/Formoterolbrand: Breztri Aerosphere | 83 | 33 |
| Tiotropium Bromidebrand: Spiriva Respimat | 45 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$338 across 16 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
- 2013-05-08
- Last updated
- 2025-03-11
- Certified
- 2025-03-11
Frequently asked questions
- What is John Willoughby's NPI number?
- John Willoughby's National Provider Identifier (NPI) is 1962847533, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Willoughby's specialty?
- John Willoughby is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Willoughby located?
- John Willoughby's practice location on file with NPPES is 50505 Schoenherr Rd Ste 290, Shelby Twp, MI 48315-3141.
- What is John Willoughby's phone number?
- The practice phone number listed in the NPPES registry for John Willoughby is (586) 314-0080.
- Does John Willoughby accept Medicare?
- John Willoughby is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Willoughby's NPI active?
- Yes — John Willoughby's NPI (1962847533) is active in the NPPES registry as of the last update on 2025-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.