Quick answers
- Does Brooke A. Pierson accept Medicare assignment?
- Yes. Medicare's clinician data says Brooke A. Pierson 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 Brooke A. Pierson see?
- In 2024, CMS data shows 144 Original Medicare patients and 7,060 services for Brooke A. Pierson. This counts Original Medicare only and measures volume, not quality.
- What is Brooke A. Pierson's NPI number?
- 1215289137. 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 Brooke A. Pierson, 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 | 144 |
|---|---|
| Services billed to Medicare | 7,060 |
| Different services or procedures | 60 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Injection, dexamethasone sodium phosphate, 1 mg (J1100)200 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)159 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)149 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)114 services
- Pelvic exam (99459)63 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%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)72%
- Arthritis40%
- Chronic kidney disease30%
- Diabetes29%
Hospitals where Brooke A. Pierson works
Medicare's Facility Affiliation Data lists Brooke A. Pierson 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 Christ Hospital & Medical CenterOak Lawn, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140208
- Advocate Good Samaritan HospitalDowners Grove, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140288
- OSF Little Company of Mary Medical CenterEvergreen Park, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140179
Practice locations
Addresses where Brooke A. Pierson is enrolled with Medicare (CMS data updated October 2, 2026).
- 10604 Southwest Hwy, Suite 109Chicago Ridge, IL 60415 (708) 424‑9710
- 3825 Highland Ave, Suite 307Downers Grove, IL 60515 (708) 422‑3242
- 4440 W 95th StOak Lawn, IL 60453 (708) 684‑5475
Group practices
Medicare enrollment lists Brooke A. Pierson as a member of this group (CMS data updated October 2, 2026).
- Affiliated Oncologists LLC44 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Chicago Ridge
Clinicians with the same Medicare primary specialty in Chicago Ridge, IL — not a recommendation.
Other clinicians in Affiliated Oncologists LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2012 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1215289137 |
| 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