Northwest Pulmonary and Sleep Medicine Sc
NPI 1881878221 · Legal Medicine · Algonquin, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Northwest Pulmonary and Sleep Medicine Sc is a Legal Medicine organization in Algonquin, IL (NPI 1881878221).
Provider details
- NPI number
- 1881878221
- Entity type
- Organization
- Primary specialty
- Legal MedicineOther Service Providers
- Organization subpart
- No
- Authorized official
- Dennis Kellar, Owner/Physician(815) 477-7350
- License
- 036-104219 (IL)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-12-20
- Last updated
- 2020-09-01
- Certified
- 2020-09-01
Frequently asked questions
- What is Northwest Pulmonary and Sleep Medicine Sc's NPI number?
- Northwest Pulmonary and Sleep Medicine Sc's National Provider Identifier (NPI) is 1881878221, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Northwest Pulmonary and Sleep Medicine Sc?
- Northwest Pulmonary and Sleep Medicine Sc is classified in the NPPES registry as Legal Medicine (Other Service Providers).
- Where is Northwest Pulmonary and Sleep Medicine Sc located?
- Northwest Pulmonary and Sleep Medicine Sc's practice location on file with NPPES is 1340 Ryan Pkwy, Algonquin, IL 60102-4527.
- What is Northwest Pulmonary and Sleep Medicine Sc's phone number?
- The practice phone number listed in the NPPES registry for Northwest Pulmonary and Sleep Medicine Sc is (815) 477-7350.
- Does Northwest Pulmonary and Sleep Medicine Sc accept Medicare?
- Northwest Pulmonary and Sleep Medicine Sc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Northwest Pulmonary and Sleep Medicine Sc?
- The authorized official listed on Northwest Pulmonary and Sleep Medicine Sc's NPPES record is Dennis Kellar, Owner/Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Northwest Pulmonary and Sleep Medicine Sc's NPI active?
- Yes — Northwest Pulmonary and Sleep Medicine Sc's NPI (1881878221) is active in the NPPES registry as of the last update on 2020-09-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.