Doctor profile · Federal record

Dr. Daniel Leonard, DO

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Pulmonary Disease Physician · Internal Medicine Physician · Critical Care Medicine (Internal Medicine) Physician · Rockford, IL

  • NPI 1366671489
  • Accepts Medicare
  • MIPS 76.6 / 100 · 2023
  • 17 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1340 Charles St Ste 405
Rockford, IL 611042200
(779) 696-6102
fax (779) 696-6026
Additional location
1506 S Oneida St, Heart, Lung & Vascular Center
Appleton, WI 549151305
(920) 730-6700
Mailing address
3291 Winnegamie Dr
Appleton, WI 549149023

Credentials & registration

NPPES · NUCC
NPI registered
July 2009 — 17 yrs on file
Profile last updated
April 2, 2026
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State licenses (2)
Illinois #036-131017 · Wisconsin #64155

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366671489. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
38
Distinct HCPCS
2
Medicare allowed
$4,951
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 27 25 $119
99215 Established patient office or other outpatient visit, 40-54 minutes 11 11 $158

In context: peer comparison

Among 7 peers in Rockford Pulmonary Disease Physician, average services per provider: 62. This provider delivers 0.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$437
Transactions
19
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 9 $205.71
Grifols USA, LLC 2 $69.19
Philips North America LLC 3 $60.14
Regeneron Healthcare Solutions, INC. 2 $45.11
Genzyme Corporation 1 $23.78
Boehringer Ingelheim Pharmaceuticals, INC. 1 $17.81
AstraZeneca Pharmaceuticals Lp 1 $15.28

By nature of payment

Food and Beverage
$437

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,183
Patients
334
Total drug cost
$493,005
Drug Type Claims Patients Total cost
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 217 81 $8,266
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 160 36 $140,755
Stiolto Respimat (Tiotropium Br/Olodaterol Hcl) Brand 146 35 $97,587
Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) Brand 109 30 $75,689
Spiriva Respimat (Tiotropium Bromide) Brand 96 24 $64,680
Montelukast Sodium Generic 70 23 $1,230
Fluticasone-Salmeterol (Fluticasone Propion/Salmeterol) Brand 63 22 $19,958
Azithromycin Generic 61 26 $1,313
Symbicort (Budesonide/Formoterol Fumarate) Brand 50 17 $30,458
Prednisone Generic 49 28 $580

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Daniel Leonard's medical specialty?
Dr. Daniel Leonard practices Pulmonary Disease Physician in Rockford, IL.
Where does Dr. Daniel Leonard practice?
Dr. Daniel Leonard practices at 1340 Charles St Ste 405, Rockford, IL 611042200. Office phone: 7796966102.
What is Dr. Daniel Leonard's NPI?
Dr. Daniel Leonard's National Provider Identifier (NPI) is 1366671489, issued by NPPES.
Does Dr. Daniel Leonard accept Medicare assignment?
Yes. Dr. Daniel Leonard accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Daniel Leonard commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.