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Healthcare Providers & Facilities in Algonquin, IL

Public healthcare directory of 485 individual practitioners and 206 healthcare facilities located in Algonquin, Illinois.

485 Practitioners
206 Facilities
84 Specialties

Medical Specialties in Algonquin

Select a specialty to view practitioner listings, practice locations, and qualifications.

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All Specialties in Algonquin

Specialties with enough public records for a comparison with U.S. figures, besides those named above, plus the 60 largest of 77 more with at least one listed practitioner. Number of practitioners in brackets.

Chiropractic Providers

Dietary & Nutritional Service Providers

Eye and Vision Services Providers

Nursing Service Providers

Nursing Service Related Providers

Pharmacy Service Providers

Podiatric Medicine & Surgery Service Providers

Speech, Language and Hearing Service Providers

Technologists, Technicians & Other Technical Service Providers

Featured Healthcare Providers in Algonquin

Practitioner profiles in Algonquin, IL with recent CMS Medicare or Open Payments data.

Kimberly Kusch

Nurse Practitioner - Family

Medicare Accepted
226 S Randall Rd, Algonquin, IL
Phone: 2244423000
NPI 1689123283

Dr. Dennis Kellar , MD

Internal Medicine - Pulmonary Disease

Medicare Accepted
1340 Ryan Pkwy, Algonquin, IL
Phone: 8154777350
NPI 1679683866

Dr. John Daniels , MD

Orthopaedic Surgery

Medicare Accepted
650 S Randall Rd, Algonquin, IL
Phone: 8153989491
NPI 1639188519

Mary Alice Oswalt

Physical Therapist

3973 W Algonquin Rd, Algonquin, IL
Phone: 2243487600
NPI 1740986587

Dr. Arsenio Atadero , MD

Internal Medicine

Medicare Accepted
2220 Huntington Dr N, Algonquin, IL
Phone: 8478540050
NPI 1700884194

Maria Kordas

Nurse Practitioner - Gerontology

Medicare Accepted
1212 E Algonquin Rd, Algonquin, IL
Phone: 2247130003
NPI 1639534381

Largest Cities in Illinois

Other Illinois cities with a full directory, by the number of active practitioners listed in NPPES.

How Algonquin compares with the U.S.

Compared with the U.S. as a whole, Algonquin has more Clinical Neuropsychologists (26.4x), Physical Therapists (2.4x) and Optometrists (2.0x) per 100,000 residents.

It has fewer clinicians in Social Worker - Clinical (64% of the U.S. rate) per 100,000 residents.

Algonquin has 1,613 active clinicians per 100,000 residents, compared with 2,198 for the U.S.

What these numbers mean

Clinicians per 100,000 residents compares places of different sizes. We count active clinicians who list a practice address in the area in the federal NPI registry (NPPES) and divide by the number of people who live there, according to the U.S. Census Bureau. The U.S. rate is the same calculation for the whole country.

A higher number does not mean it is easier to get an appointment, that wait times are shorter, or that care is better. It also does not show how many clinicians are accepting new patients or which insurance plans they take. A lower number does not by itself mean there is a shortage.

City counts use the city name in each clinician's practice address. That postal city can cover a larger or smaller area than the city limits the Census Bureau uses for population, and many clinicians list only one address even if they work in several places. Cities with hospitals or large medical centers often list more specialists than the number of residents alone would suggest, because patients also come from nearby areas.

91% of clinicians in Algonquin listed in the CMS Medicare file (152 of 167) accept Medicare assignment. That is similar to the Illinois share of 92%.

Only 167 of 485 active clinicians in Algonquin appear in the CMS Medicare file, so this share describes that smaller group.

What is Medicare assignment?

A clinician who accepts Medicare assignment agrees to take the Medicare-approved amount as full payment for services that Original Medicare covers. You usually still pay your deductible and coinsurance. This comes from the CMS Doctors and Clinicians file and applies to Original Medicare only. Medicare Advantage plans have their own provider networks. It does not show whether a clinician is taking new patients.

Some clinicians are listed as "may accept assignment," which means they can decide case by case. Clinicians without an assignment flag, or who are not in the CMS file, are not counted as accepting assignment. That does not mean they refuse Medicare. Ask the office before your visit.

22% of clinicians in Algonquin listed in the CMS Medicare file (37 of 167) have a CMS telehealth indicator, meaning their recent Medicare claims include telehealth services. That is similar to the Illinois share of 20%.

About the telehealth indicator

The telehealth indicator comes from CMS. It marks clinicians whose recent paid Medicare claims include services delivered by telehealth. It means a clinician has provided some services by telehealth, not that every visit can be done online. A clinician without the indicator may still offer telehealth, for example to patients who are not on Medicare. Ask the office which visits can be done by video or phone.

These figures summarize public federal data. They do not measure quality of care, appointment availability, or whether a clinician accepts your insurance or new patients. Registry addresses can be out of date. Please confirm details directly with the office and your plan. This information is not medical advice.

Prepared by T-MedInfo from NPPES, CMS and U.S. Census Bureau data. Questions or corrections: support@true-medinfo.com ยท Methodology

Sources: Clinician counts and practice addresses: NPPES NPI Registry, Centers for Medicare & Medicaid Services (CMS), data as of August 2026. Medicare assignment and telehealth indicators: CMS Doctors and Clinicians National Downloadable File. Population: U.S. Census Bureau, American Community Survey 2020-2024 5-Year Estimates, Table B01003 (Total Population).

Algonquin CMS Healthcare & Financial Disclosures

CMS Part D Prescribers (2024), Open Payments (program year 2025), Medicare (PECOS) enrollment and Part B (2024) data for Algonquin, IL

Source: CMS public datasets

Healthcare operations in Algonquin, IL encompass 485 active individual practitioners and 206 registered medical facilities across 84 clinical specialties.

According to CMS Medicare Part D analytics for 2024, prescription drug volume in Algonquin accounts for $12.4 Million across 112,378 prescription claims. 259 local practitioners have a Medicare (PECOS) enrollment record. Open Payments data for program year 2025 list $0.1 Million in payments reported by companies to 102 local practitioners; a reported payment does not necessarily mean the financial relationship is improper.

Medicare Part D Prescriptions (2024) $12.4M 112,378 Prescription Claims Source: data.cms.gov
Open Payments Sunshine Act (2025) $0.1M 102 Recipients Disclosed A reported payment does not necessarily mean the financial relationship is improper. Source: openpaymentsdata.cms.gov
Medicare (PECOS) Enrollment 259 Enrolled Medicare Practitioners Source: data.cms.gov
Medicare Part B Allowed Volume (2024) $15.7M 313,732 Services Performed Source: data.cms.gov

CMS PECOS: Eligible to Order or Refer for Medicare in Algonquin

Part B Lab & Imaging Eligible: 150
Durable Medical Equipment (DME): 155
Home Health Agency (HHA): 114
Source: CMS Order and Referring