MARYAH MANSOOR MD
NPI 1659684777
Internal Medicine - Rheumatology in Peoria, IL
About Maryah Mansoor Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARYAH MANSOOR MD (NPI 1659684777) is an individual rheumatology provider in Peoria, Illinois, licensed in Illinois (036172307) and active in the NPI registry since July 2010. She is enrolled in Medicare PECOS, is affiliated with St Mary Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Maryah Mansoor Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
12Medicare enrollment records show Maryah Mansoor reassigns Medicare billing to 12 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Peoria, IL 61615
- Reassigned Medicare billing, Illinois enrollment
- 2,944 clinicians in this Medicare group
Dubuque, IA 52002
- Reassigned Medicare billing, Iowa enrollment
- 272 clinicians in this Medicare group
Williamsburg, IA 52361
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1053368191 (Iowa)
- 75 clinicians in this Medicare group
Apple Valley, MN 55124
- Reassigned Medicare billing, Minnesota enrollment
- 2,274 clinicians in this Medicare group
Onamia, MN 56359
- Reassigned Medicare billing, Minnesota enrollment
- 145 clinicians in this Medicare group
Frederick, MD 21701
- Reassigned Medicare billing, Delaware and Pennsylvania enrollments
- 80 clinicians in this Medicare group
Hockessin, DE 19707
- Reassigned Medicare billing, Delaware enrollment
- 85 clinicians in this Medicare group
Hockessin, DE 19707
- Reassigned Medicare billing, Delaware enrollment
- Also billed through NPI 1245474329 (Delaware)
- 1,531 clinicians in this Medicare group
Newark, DE 19713
- Reassigned Medicare billing, Pennsylvania enrollment
- 63 clinicians in this Medicare group
Wilmington, DE 19808
- Reassigned Medicare billing, Delaware enrollment
- 88 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Mary Medical Center
Acute Care Hospitals · Galesburg, ILSaint Francis Medical Center
Acute Care Hospitals · Peoria, ILOsf Saint Elizabeth Mdl Ctr
Acute Care Hospitals · Ottawa, ILOsf Saint Paul Medical Center
Critical Access Hospitals · Mendota, ILOsf Saint Clare Medical Center
Critical Access Hospitals · Princeton, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 61603 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Maryah Mansoor's NPI number?
The NPI number for Maryah Mansoor is 1659684777. It was assigned to this individual provider in the NPPES registry on July 18, 2010.
Where is Maryah Mansoor located?
Maryah Mansoor practices at 1800 N Knoxville Ave Ste E, Peoria, IL 61603. The listed phone number is (309) 308-0910.
What is Maryah Mansoor's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Maryah Mansoor enrolled in Medicare?
Yes. Maryah Mansoor is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Maryah Mansoor's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maryah Mansoor reassigns Medicare benefits to 12 organizations: Osf Multi-Specialty Group (Peoria, IL), Medical Associates Clinic P C (Dubuque, IA), Marengo Memorial Hospital (Williamsburg, IA), Group Health, Inc. (Apple Valley, MN), Mille Lacs Health System (Onamia, MN) and 7 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Maryah Mansoor's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Maryah Mansoor accept?
Health plans from Blue Cross Blue Shield of Wyoming, Oscar Health, Oscar Insurance Company, Sanford Health Plan and Wellmark Health Plan of Iowa, Inc. list Maryah Mansoor as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Maryah Mansoor affiliated with any hospitals?
According to CMS data, Maryah Mansoor is affiliated with St Mary Medical Center, Saint Francis Medical Center, Osf Saint Elizabeth Mdl Ctr, Osf Saint Paul Medical Center and Osf Saint Clare Medical Center.
When was this NPI record last updated?
The NPPES record for Maryah Mansoor was last updated on April 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Maryah Mansoor, MD · NPI 1659684777
Rheumatology physician in Peoria, Illinois. Individual provider, active in the CMS NPPES registry since July 18, 2010.
## Identity
- **NPI:** 1659684777 (Entity type: Individual)
- **Enumerated:** July 18, 2010
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** 036172307 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 1800 N KNOXVILLE AVE STE E, Peoria, IL 61603-3005
- **Phone:** (309) 308-0910 · **Fax:** (309) 308-0919
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 12 organizations under Medicare reassignment (form CMS-855R): Osf Multi-Specialty Group (NPI 1922445527, Peoria, IL); Medical Associates Clinic P C (NPI 1457300790, Dubuque, IA); Marengo Memorial Hospital (NPI 1548681216, Williamsburg, IA); Group Health, Inc. (NPI 1073668877, Apple Valley, MN); Mille Lacs Health System (NPI 1548212699, Onamia, MN); and 7 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** April 10, 2026
- **Other identifiers:** Other 75524 (MN)
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Source: [NPI Profile](https://npiprofile.com/npi/1659684777) · Data from the CMS NPPES public registry.