Quick answers
- Does Maryah Mansoor accept Medicare assignment?
- Yes. Medicare's clinician data says Maryah Mansoor 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 Maryah Mansoor see?
- In 2024, CMS data shows 81 Original Medicare patients and 11,447 services for Maryah Mansoor. This counts Original Medicare only and measures volume, not quality.
- What is Maryah Mansoor's NPI number?
- 1659684777. 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 Maryah Mansoor, 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 | 81 |
|---|---|
| Services billed to Medicare | 11,447 |
| Different services or procedures | 34 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Injection, infliximab-abda, biosimilar, (renflexis), 10 mg (Q5104)730 services
- Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less (96365)47 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)25 services
- Administration of chemotherapy into vein, 1 hour or less (96413)21 services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)12 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 pressure68%
- Arthritis65%
- High cholesterol59%
- Osteoporosis37%
- Depression30%
- Diabetes27%
Hospitals where Maryah Mansoor works
Medicare's Facility Affiliation Data lists Maryah Mansoor 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.
- OSF Saint Clare Medical CenterPrinceton, IL · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 141337
- OSF Saint Elizabeth MDL CenterPeru, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140110
- OSF Saint Paul Medical CenterMendota, IL · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 141310
- Saint Francis Medical CenterPeoria, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140067
- St Mary Medical CenterGalesburg, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140064
Practice locations
Addresses where Maryah Mansoor is enrolled with Medicare (CMS data updated October 2, 2026).
- 255 Possum Park RdNewark, DE 19711 (302) 366‑0160
- 700 Foulk RdWilmington, DE 19803 (302) 764‑0181
- 8600 State Route 91, Suite 130Peoria, IL 61615 (309) 683‑5050
Group practices
Medicare enrollment lists Maryah Mansoor as a member of these groups (CMS data updated October 2, 2026).
- OSF Multi-Specialty Group2,114 clinicians in the group
- Delaware Post Acute Medical Services 135 clinicians in the group
Specialties
- Internal Medicineprimary
- Rheumatologyalso
Other internal medicine doctors in Newark
Clinicians with the same Medicare primary specialty in Newark, DE — not a recommendation.
Other clinicians in OSF Multi-Specialty Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659684777 |
| 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