Doctor profile · Federal record

Dr. Dennis Kellar, MD

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Algonquin, IL

  • NPI 1679683866
  • Accepts Medicare
  • 29 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1340 Ryan Pkwy
Algonquin, IL 601024527
(815) 477-7350
fax (815) 477-7351

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
December 21, 2021
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
Illinois #036-104219
Medicaid
IL #036104219

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679683866. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,524
Distinct HCPCS
10
Medicare allowed
$416,848
HCPCS Description Services Patients Avg allowed
94726 Test to determine lung volumes using sensors 647 534 $50
99215 Established patient office or other outpatient visit, 40-54 minutes 622 408 $171
94729 Test to examine how well the lungs exchange gases 621 517 $52
94660 Therapy procedure using a positive pressure ventilator 389 340 $60
94375 Test to measure rate of airflow 356 305 $36
99214 Established patient office or other outpatient visit, 30-39 minutes 295 252 $122
94010 Test to measure expiratory airflow and volume 241 216 $25
99204 New patient office or other outpatient visit, 45-59 minutes 199 199 $161
94060 Test to measure expiratory airflow and volume changes before and after medication administration 185 184 $36
G0398 Home sleep study test (hst) with type ii portable monitor, unattended; minimum of 7 channels: eeg, eog, emg, ecg/heart rate, airflow, respiratory effort and oxygen saturation 158 151 $205

In context: peer comparison

Among 2 peers in this city , average services per provider: 162. This provider delivers 28× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,639
Transactions
67
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
GENZYME CORPORATION 14 $469.55
AstraZeneca Pharmaceuticals LP 9 $235.16
Inspire Medical Systems, Inc. 4 $216.60
GlaxoSmithKline, LLC. 16 $190.21
Regeneron Healthcare Solutions, Inc. 6 $182.01
Boehringer Ingelheim Pharmaceuticals, Inc. 7 $179.56
Baxter Healthcare 2 $68.49
Electromed, Inc. 6 $48.51
Amgen Inc. 1 $20.65
Philips North America LLC 1 $19.38
INOGEN, INC. 1 $8.75

By nature of payment

Food and Beverage
$1,639

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,129
Patients
724
Total drug cost
$2,723,414
Drug Type Claims Patients Total cost
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 479 134 $561,432
Montelukast Sodium Generic 320 109 $5,603
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 225 100 $8,782
Prednisone Generic 216 114 $1,313
Ofev (Nintedanib Esylate) Brand 167 21 $1,856,896
Symbicort (Budesonide/Formoterol Fumarate) Brand 112 36 $76,600
Breztri Aerosphere (Budesonide/Glycopyr/Formoterol) Brand 102 31 $104,217
Azithromycin Generic 95 45 $2,038
Trazodone Hcl Generic 82 21 $1,172
Omeprazole Generic 70 23 $1,164

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Dennis Kellar's medical specialty?
Dr. Dennis Kellar practices Pulmonary Disease Physician in Algonquin, IL.
Where does Dr. Dennis Kellar practice?
Dr. Dennis Kellar practices at 1340 Ryan Pkwy, Algonquin, IL 601024527. Office phone: 8154777350.
What is Dr. Dennis Kellar's NPI?
Dr. Dennis Kellar's National Provider Identifier (NPI) is 1679683866, issued by NPPES.
Does Dr. Dennis Kellar accept Medicare assignment?
Yes. Dr. Dennis Kellar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dennis Kellar commonly perform?
Top Medicare-reported procedures in 2023: Test to determine lung volumes using sensors (HCPCS 94726); Established patient office or other outpatient visit (HCPCS 99215); Test to examine how well the lungs exchange gases (HCPCS 94729). Source: CMS Medicare Physician & Other Practitioners file.