Quick answers
- Does Joanna Barclay accept Medicare assignment?
- Yes. Medicare's clinician data says Joanna Barclay 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 Joanna Barclay see?
- In 2024, CMS data shows 410 Original Medicare patients and 2,171 services for Joanna Barclay. This counts Original Medicare only and measures volume, not quality.
- What is Joanna Barclay's NPI number?
- 1932210978. 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 Joanna Barclay, 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 | 410 |
|---|---|
| Services billed to Medicare | 2,171 |
| Different services or procedures | 54 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)376 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)346 services
- Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)267 services
- Injection of trigger points, 1-2 muscles (20552)143 services
- Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level (64483)142 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%
- Anxiety45%
- Diabetes39%
- Depression37%
Hospitals where Joanna Barclay works
Medicare's Facility Affiliation Data lists Joanna Barclay 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.
- Advocate Good Shepherd HospitalBarrington, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140291
- Advocate Lutheran General HospitalPark Ridge, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140223
- Advocate Sherman HospitalElgin, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140030
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140242
- Northwestern Medicine McHenryMcHenry, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140116
Practice locations
Addresses where Joanna Barclay is enrolled with Medicare (CMS data updated October 2, 2026).
- 1425 N Randall RdElgin, IL 60123 (847) 742‑9800
Group practices
Medicare enrollment lists Joanna Barclay as a member of this group (CMS data updated October 2, 2026).
- Greater Elgin Pain Management Consultants SC2 clinicians in the group
Specialties
- Anesthesiologyprimary
- Interventional Pain Managementalso
- Pain Managementalso
Other anesthesiologists in Elgin
Clinicians with the same Medicare primary specialty in Elgin, IL — not a recommendation.
Other clinicians in Greater Elgin Pain Management Consultants SC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loyola University Of Chicago, Stritch School Of Medicine |
| Graduation year | 1989 (37 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1932210978 |
| 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