DR. ALEXANDER WILLIAM ALEEM MD
NPI 1326369265
Orthopaedic Surgery in Saint Louis, MO
About Dr. Alexander William Aleem Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDER WILLIAM ALEEM MD (NPI 1326369265) is an individual orthopaedic surgery provider in Saint Louis, Missouri, licensed in Missouri (2016009490) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS, is affiliated with Community Hospital Of Staunton, and is a graduate of Washington University School Of Medicine (2010).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Alexander William Aleem 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
2Medicare enrollment records show Alexander Aleem reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 157 clinicians in this Medicare group
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 95 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 12
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.
Community Hospital Of Staunton
Critical Access Hospitals · Staunton, ILBarnes Jewish Hospital
Acute Care Hospitals · Saint Louis, MOMissouri Baptist Medical Center
Acute Care Hospitals · Town And Country, MOPoplar Bluff Regional Medical Center
Acute Care Hospitals · Poplar Bluff, MOBarnes-Jewish West County Hospital
Acute Care Hospitals · Creve Coeur, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63110 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
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 Alexander Aleem's NPI number?
The NPI number for Alexander Aleem is 1326369265. It was assigned to this individual provider in the NPPES registry on June 15, 2010.
Where is Alexander Aleem located?
Alexander Aleem practices at 4921 Parkview Pl Dept Orthopaedic Surgery, Ste 6a/6b/12a, Saint Louis, MO 63110. The listed phone number is (314) 514-3500.
What is Alexander Aleem's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Alexander Aleem enrolled in Medicare?
Yes. Alexander Aleem 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 Alexander Aleem's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Aleem reassigns Medicare benefits to 2 organizations: Washington University (Saint Louis, MO) and Shriners Hospitals For Children (Saint Louis, MO). 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 Alexander Aleem's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alexander Aleem accept?
Health plans from Cox HealthPlans and UnitedHealthcare list Alexander Aleem 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 Alexander Aleem affiliated with any hospitals?
According to CMS data, Alexander Aleem is affiliated with Community Hospital Of Staunton, Barnes Jewish Hospital, Missouri Baptist Medical Center, Poplar Bluff Regional Medical Center and Barnes-Jewish West County Hospital.
When was this NPI record last updated?
The NPPES record for Alexander Aleem was last updated on April 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Dr. Alexander William Aleem, MD · NPI 1326369265
Orthopaedic Surgery physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since June 15, 2010.
## Identity
- **NPI:** 1326369265 (Entity type: Individual)
- **Enumerated:** June 15, 2010
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** 2016009490 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 4921 PARKVIEW PL, DEPT ORTHOPAEDIC SURGERY, STE 6A/6B/12A, Saint Louis, MO 63110-1032
- **Phone:** (314) 514-3500 · **Fax:** (314) 878-7678
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Washington University (NPI 1679516033, Saint Louis, MO); Shriners Hospitals For Children (NPI 1275970295, Saint Louis, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Washington University School Of Medicine, class of 2010
## Record status
- **NPPES last updated:** April 15, 2025
- **Other identifiers:** Medicaid 200031503 (MO)
---
Source: [NPI Profile](https://npiprofile.com/npi/1326369265) · Data from the CMS NPPES public registry.