Quick answers
- Does Roula Al Dahhak accept Medicare assignment?
- Yes. Medicare's clinician data says Roula Al Dahhak 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 Roula Al Dahhak see?
- In 2024, CMS data shows 58 Original Medicare patients and 72 services for Roula Al Dahhak. This counts Original Medicare only and measures volume, not quality.
- What is Roula Al Dahhak's NPI number?
- 1033116165. 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 Roula Al Dahhak, 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 | 58 |
|---|---|
| Services billed to Medicare | 72 |
| Different services or procedures | 3 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)48 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)19 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%
- Arthritis59%
- Anxiety59%
- Stroke or mini-stroke59%
- Depression55%
Hospitals where Roula Al Dahhak works
Medicare's Facility Affiliation Data lists Roula Al Dahhak 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.
- Barnes-Jewish St Peters HospitalSaint Peters, MO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 260191
- HSHS Holy Family Hospital IncGreenville, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140137
- HSHS St Elizabeth's HospitalO Fallon, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140187
- Progress West HospitalOfallon, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260219
- St Josephs HospitalBreese, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140145
Practice locations
Addresses where Roula Al Dahhak is enrolled with Medicare (CMS data updated October 2, 2026).
- 3 Saint Elizabeth BlvdO Fallon, IL 62269 (618) 641‑5803
- 70 Jungermann Cir, Suite 300Saint Peters, MO 63376 (636) 916‑7060
Group practices
Medicare enrollment lists Roula Al Dahhak as a member of these groups (CMS data updated October 2, 2026).
- Fairview Heights Medical Group SC444 clinicians in the group
- HSHS Medical Group Inc219 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in O Fallon
Clinicians with the same Medicare primary specialty in O Fallon, IL — not a recommendation.
Other clinicians in Fairview Heights Medical Group SC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1993 (33 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1033116165 |
| 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