DENNIS F. KELLAR (MD) – Pulmonary Disease Physician, NPI 1679683866

DENNIS F. KELLAR (MD) is a healthcare provider. based in Algonquin, Illinois. specializing in PULMONARY DISEASE, CRITICAL CARE (INTENSIVISTS), INTERNAL MEDICINE. They hold the professional credentials MD. They hold a License No. 036-104219 (IL). The NPI Number for DENNIS F. KELLAR (MD) is 1679683866

Main info

Male
Sole Proprietor
29 Years Of Experience
Accepts Medicare Assignment
Name
DENNIS F. KELLAR (MD)
NPI
1679683866
Phone
(815) 477-7350
Address
1340 RYAN PKWY
Enumeration Date
30 August 2006
Last Update Date
21 December 2021

Doctor Profile

Medical School Name
OTHER
Secondary Phone
8154777350
Graduation Year
1997 (29 years ago)
PAC ID
8022003318
Group Practice PAC ID
0749362754
Professional Enrollment ID
I20040416000640
Address ID
IL601024527AL1340XPKWY300
Telehealth
Yes

Contacts

Secure Messaging
dkellar234674@direct.myadvocateaurora.org
FHIR Endpoint
https://epicfhir.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience62
Completeness85
Years active:19State licenses:1Other namesUpdated within 12 months

848 PULMONARY DISEASE in IL

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Provider Addresses for DENNIS F. KELLAR (MD)

  • Favia Primary Care, 1340, Ryan Parkway, Algonquin, McHenry County, Illinois, 60102, United States

    ALGONQUIN, IL 601024527

    Phone: (815) 477-7350

    Fax: (815) 477-7351

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 127 Open Payments records for all available years, with a total value of $3,794.

Total Amount is formed as General ($3,794) + Research ($0) + Ownership ($0) = $3,794.

Last reported payment date: 2024-12-19 • Largest payer in this snapshot: Inspire Medical Systems, Inc. ($1,079).

Total Amount

$3,794

General + Research + Ownership

Payments

127

Total payment records

General Amount

$3,794

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-19

Latest reported date

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2021-09-20

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20040416000640IPulmonary DiseaseILTBD
I20210920000700ICritical Care (Intensivists)INTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
94726Test to determine lung volumes using sensors647534$0
99215Established patient office or other outpatient visit, 40-54 minutes622408$0
94729Test to examine how well the lungs exchange gases621517$0
94660Therapy procedure using a positive pressure ventilator389340$0
94375Test to measure rate of airflow356305$0
View full utilization report →

Insurance plans in this area (ZIP 60102)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 0749362754View full group profile
NameSpecialtyState
Nurse PractitionerIL
Nurse PractitionerIL
-IL

Reviews

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Frequently asked questions

How is DENNIS F. KELLAR (MD) identified in CMS data?
CMS-hosted NPPES data lists DENNIS F. KELLAR (MD) with NPI 1679683866.
Is DENNIS F. KELLAR (MD) still practicing?
DENNIS F. KELLAR (MD) is currently listed as active in the public NPI registry.
What is DENNIS F. KELLAR (MD)'s specialty?
The listing groups DENNIS F. KELLAR (MD) with Pulmonary Disease Physician. Clinical services aligned with this taxonomy classification.
What area does DENNIS F. KELLAR (MD) serve?
DENNIS F. KELLAR (MD)'s listing highlights Algonquin, Illinois; more addresses can appear in NPPES.
Why does DENNIS F. KELLAR (MD) have multiple addresses?
2 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

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