Quick answers
- Does Joseph W. Ofisi accept Medicare assignment?
- Yes. Medicare's clinician data says Joseph W. Ofisi 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 Joseph W. Ofisi see?
- In 2024, CMS data shows 177 Original Medicare patients and 27,672 services for Joseph W. Ofisi. This counts Original Medicare only and measures volume, not quality.
- What is Joseph W. Ofisi's NPI number?
- 1295057610. 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 Joseph W. Ofisi, 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 | 177 |
|---|---|
| Services billed to Medicare | 27,672 |
| Different services or procedures | 103 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Travel allowance one way in connection with medically necessary laboratory specimen collection drawn from home bound or nursing home bound patient; prorated miles actually travelled (P9603)15,652 services
- Travel allowance one way in connection with medically necessary laboratory specimen collection drawn from home bound or nursing home bound patient; prorated trip charge (P9604)2,570 services
- Insertion of needle into vein for collection of blood sample (36415)1,834 services
- Injection, meropenem, 100 mg (J2185)440 services
- Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)419 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%
- Diabetes75%
- Ischemic heart disease75%
- Chronic kidney disease75%
- Heart failure75%
Hospitals where Joseph W. Ofisi works
Medicare's Facility Affiliation Data lists Joseph W. Ofisi at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Ingalls Memorial HospitalHarvey, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140191
Practice locations
Addresses where Joseph W. Ofisi is enrolled with Medicare (CMS data updated October 2, 2026).
- 1342 W Grenshaw St, Apt 1Chicago, IL 60607 (312) 590‑1601
- 502 W 138th StRiverdale, IL 60827 (312) 763‑6162
Group practices
Medicare enrollment lists Joseph W. Ofisi as a member of this group (CMS data updated October 2, 2026).
- Siloam Home and Wound Care Physicians Inc2 clinicians in the group
Specialties
- Family Practiceprimary
- Internal Medicinealso
Other family doctors in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Other clinicians in Siloam Home and Wound Care Physicians Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1997 (29 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1295057610 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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