Dennis Kellar, MD
NPI 1679683866 · Pulmonary Disease Physician · Algonquin, IL
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dennis Kellar, MD is a Pulmonary Disease Physician provider in Algonquin, IL (NPI 1679683866).
Provider details
- NPI number
- 1679683866
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036-104219 (IL)
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
19 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
3,811 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 777 | $172 |
| Test to Determine Lung Volumes Using Sensors94726 | 595 | $51 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 590 | $51 |
| Test to Measure Expiratory Airflow and Volume Changes Before and After Medication Administration94060 | 450 | $35 |
| Test to Measure Expiratory Airflow and Volume94010 | 240 | $25 |
| Therapy Procedure Using a Positive Pressure Ventilator94660 | 220 | $60 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 440 | 121 |
| Montelukast Sodium | 283 | 106 |
| Prednisone | 217 | 142 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 197 | 114 |
| Budesonide/Glycopyr/Formoterolbrand: Breztri Aerosphere | 117 | 28 |
| Nintedanib Esylatebrand: Ofev | 103 | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,639 across 67 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
- 2006-08-30
- Last updated
- 2021-12-21
- Certified
- 2021-12-21
Frequently asked questions
- What is Dennis Kellar's NPI number?
- Dennis Kellar's National Provider Identifier (NPI) is 1679683866, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Kellar's specialty?
- Dennis Kellar is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Dennis Kellar located?
- Dennis Kellar's practice location on file with NPPES is 1340 Ryan Pkwy, Algonquin, IL 60102-4527.
- What is Dennis Kellar's phone number?
- The practice phone number listed in the NPPES registry for Dennis Kellar is (815) 477-7350.
- Does Dennis Kellar accept Medicare?
- Dennis Kellar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dennis Kellar's NPI active?
- Yes — Dennis Kellar's NPI (1679683866) is active in the NPPES registry as of the last update on 2021-12-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.