ALI HAZEM ALI ALZEER MD
NPI 1427577402
Pathology - Anatomic Pathology & Clinical Pathology in Washington, DC
About Ali Hazem Ali Alzeer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALI HAZEM ALI ALZEER MD (NPI 1427577402) is an individual anatomic pathology & clinical pathology provider in Washington, District Of Columbia, licensed in District Of Columbia (MD048987) and active in the NPI registry since September 2017. He is enrolled in Medicare PECOS, is affiliated with Inova Alexandria Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Ali Hazem Ali Alzeer 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 Ali Alzeer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20037
- Reassigned Medicare billing, District of Columbia enrollment
- 1,275 clinicians in this Medicare group
Falls Church, VA 22042
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 57 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 11
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.
Inova Alexandria Hospital
Acute Care Hospitals · Alexandria, VAInova Loudoun Hospital
Acute Care Hospitals · Leesburg, VAInova Fairfax Hospital
Acute Care Hospitals · Falls Church, VAInova Fair Oaks Hospital
Acute Care Hospitals · Fairfax, VAInova Mount Vernon Hospital
Acute Care Hospitals · Alexandria, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20037 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
WASHINGTON, DC 20037
WASHINGTON, DC 20037
WASHINGTON, DC 20037
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 Ali Alzeer's NPI number?
The NPI number for Ali Alzeer is 1427577402. It was assigned to this individual provider in the NPPES registry on September 11, 2017.
Where is Ali Alzeer located?
Ali Alzeer practices at 900 23rd St NW, Washington, DC 20037. The listed phone number is (202) 677-6600.
What is Ali Alzeer's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.
Is Ali Alzeer enrolled in Medicare?
Yes. Ali Alzeer 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 Ali Alzeer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ali Alzeer reassigns Medicare benefits to 2 organizations: Medical Faculty Associates, Inc (Washington, DC) and Inova Health Care Services - Pathology (Falls Church, VA). 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 Ali Alzeer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ali Alzeer accept?
Health plans from Oscar Health list Ali Alzeer 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 Ali Alzeer affiliated with any hospitals?
According to CMS data, Ali Alzeer is affiliated with Inova Alexandria Hospital, Inova Loudoun Hospital, Inova Fairfax Hospital, Inova Fair Oaks Hospital and Inova Mount Vernon Hospital.
When was this NPI record last updated?
The NPPES record for Ali Alzeer was last updated on March 30, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.
# Ali Hazem Ali Alzeer, MD · NPI 1427577402
Anatomic Pathology & Clinical Pathology physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since September 11, 2017.
## Identity
- **NPI:** 1427577402 (Entity type: Individual)
- **Enumerated:** September 11, 2017
- **Primary specialty:** Pathology - Anatomic Pathology & Clinical Pathology · taxonomy 207ZP0102X
- **State license:** MD048987 (District of Columbia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 900 23RD ST NW, Washington, DC 20037-2342
- **Phone:** (202) 677-6600
## 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): Medical Faculty Associates, Inc (NPI 1417990581, Washington, DC); Inova Health Care Services - Pathology (NPI 1427369578, Falls Church, VA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** March 30, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1427577402) · Data from the CMS NPPES public registry.