Quick answers
- Does Juan A. Chavez Duarte accept Medicare assignment?
- Yes. Medicare's clinician data says Juan A. Chavez Duarte accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Juan A. Chavez Duarte see?
- In 2024, CMS data shows 23 Original Medicare patients and 61 services for Juan A. Chavez Duarte. This counts Original Medicare only and measures volume, not quality.
- What is Juan A. Chavez Duarte's NPI number?
- 1215642368. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Juan A. Chavez Duarte, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 23 |
|---|---|
| Services billed to Medicare | 61 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 66 |
Most frequent services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)12 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Diabetes65%
Practice locations
Addresses where Juan A. Chavez Duarte is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 2253 N Richmond RdMcHenry, IL 60051 (847) 526‑2151
- 2680 N Il Route 83Round Lake Beach, IL 60073 (224) 372‑7780
- 3801 Running Brook Farm BlvdJohnsburg, IL 60051 (815) 344‑7741
- 4000 Route 173Zion, IL 60099 (847) 731‑9617
- 431 W Liberty StWauconda, IL 60084 (847) 526‑2151
Group practices
Medicare enrollment lists Juan A. Chavez Duarte as a member of these groups (CMS data updated October 2, 2026).
- Family Medicine Specialists S.C.24 clinicians in the group
- Family Medicine Specialists of Round Lake Incorporated S C21 clinicians in the group
- Family Medicine Specialists of Mount Prospect S C18 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in McHenry
Clinicians with the same Medicare primary specialty in McHenry, IL — not a recommendation.
Other clinicians in Family Medicine Specialists S.C.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2021 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1215642368 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians