Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dennis F. Kellar, MD

Individual provider Pulmonary Disease Physician · NPI 1679683866

Dennis F. Kellar, MD is a Pulmonary Disease in Algonquin, Illinois. Qualified in 1997, 29 years ago. Practices with Northwest Pulmonary and Sleep Medicine SC, a 3-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
29
Licensed in
IL
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1340 Ryan Pkwy
Algonquin, IL 60102-4527
Phone: (815) 477-7350
Fax: (815) 477-7351
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 036-104219 (IL)

Record details

NPI number1679683866
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 30, 2006
Last updated in NPPESDecember 21, 2021
Certification dateDecember 21, 2021
Mailing address1340 Ryan Pkwy, Algonquin, IL 60102-4527

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPULMONARY DISEASE
Also practisesCRITICAL CARE (INTENSIVISTS), INTERNAL MEDICINE
Medical schoolOTHER
Graduated 1997 (29 years in practice)
Group practice Northwest Pulmonary And Sleep Medicine Sc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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