Quick answers
- Does Alan F. Stupnitsky accept Medicare assignment?
- Yes. Medicare's clinician data says Alan F. Stupnitsky 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 Alan F. Stupnitsky see?
- In 2024, CMS data shows 385 Original Medicare patients and 1,167 services for Alan F. Stupnitsky. This counts Original Medicare only and measures volume, not quality.
- What is Alan F. Stupnitsky's NPI number?
- 1598225864. 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 Alan F. Stupnitsky, 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 | 385 |
|---|---|
| Services billed to Medicare | 1,167 |
| Different services or procedures | 30 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)251 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)188 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)71 services
- Needle measurement of electrical activity in arm or leg muscles, complete study (95886)63 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)56 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%
- Arthritis75%
- Ischemic heart disease39%
- Chronic kidney disease35%
- Diabetes31%
Hospitals where Alan F. Stupnitsky works
Medicare's Facility Affiliation Data lists Alan F. Stupnitsky 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.
- Alexian Brothers Medical Center 1Elk Grove Village, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140258
- Northwestern Lake Forest HospitalLake Forest, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140130
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140242
- Northwestern Memorial HospitalChicago, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140281
- Palos Community HospitalPalos Heights, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140062
Practice locations
Addresses where Alan F. Stupnitsky is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1049 Lake StOak Park, IL 60301
- 1049 Lake St, Suite 201Oak Park, IL 60301
- 259 E Erie St, Suite 1450Chicago, IL 60611 (312) 695‑7746
- 355 E Erie StChicago, IL 60611 (312) 238‑1000
- 425 Sand Creek DrChesterton, IN 46304
Group practices
Medicare enrollment lists Alan F. Stupnitsky as a member of these groups (CMS data updated October 2, 2026).
- Northwestern Medical Faculty Foundation4,503 clinicians in the group
- Chesterton Physical Therapy Inc186 clinicians in the group
- Medical Services Ric93 clinicians in the group
- Dynamic Physical Therapy, Inc.43 clinicians in the group
Specialties
Find other Physical Medicine and Rehabilitation doctors in Illinois →
Other rehabilitation doctors in Oak Park
Clinicians with the same Medicare primary specialty in Oak Park, IL — not a recommendation.
Other clinicians in Northwestern Medical Faculty Foundation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | R Franklin University Of Med & Sci/chicago Medical School |
| Graduation year | 2019 (7 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1598225864 |
| 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