DR. HAMZA KAZIZ MD
NPI 1720617871
Psychiatry & Neurology - Neurology in Saint Louis, MO
About Dr. Hamza Kaziz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HAMZA KAZIZ MD (NPI 1720617871) is an individual neurology provider in Saint Louis, Missouri, licensed in Missouri (2024011992) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
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. Hamza Kaziz 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 Hamza Kaziz 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 63128
- Reassigned Medicare billing, Missouri enrollment
- Medicare enrollment name: St Anthonys Physician Organization Hospitalist Services Lc
- 340 clinicians in this Medicare group
Chesterfield, MO 63017
- Reassigned Medicare billing, Missouri enrollment
- 263 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Barnes Jewish Hospital
Acute Care Hospitals · Saint Louis, MOMercy Hospital South
Acute Care Hospitals · Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63128 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.
SAINT LOUIS, MO 63128
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 Hamza Kaziz's NPI number?
The NPI number for Hamza Kaziz is 1720617871. It was assigned to this individual provider in the NPPES registry on April 1, 2020.
Where is Hamza Kaziz located?
Hamza Kaziz practices at 10010 Kennerly Rd, Saint Louis, MO 63128. The listed phone number is (314) 525-1000.
What is Hamza Kaziz's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Hamza Kaziz enrolled in Medicare?
Yes. Hamza Kaziz 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 Hamza Kaziz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hamza Kaziz reassigns Medicare benefits to 2 organizations: St Anthonys Physician Organization Hospitalist Services, L.C. (Saint Louis, MO) and Mercy Aco Clinical Services Inc (Chesterfield, 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 Hamza Kaziz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Hamza Kaziz accept?
Health plans from Anthem Blue Cross and Blue Shield list Hamza Kaziz 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 Hamza Kaziz affiliated with any hospitals?
According to CMS data, Hamza Kaziz is affiliated with Barnes Jewish Hospital and Mercy Hospital South.
When was this NPI record last updated?
The NPPES record for Hamza Kaziz was last updated on August 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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. Hamza Kaziz, MD · NPI 1720617871
Neurology physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since April 1, 2020.
## Identity
- **NPI:** 1720617871 (Entity type: Individual)
- **Enumerated:** April 1, 2020
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** 2024011992 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 10010 KENNERLY RD, Saint Louis, MO 63128-2106
- **Phone:** (314) 525-1000
## 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): St Anthonys Physician Organization Hospitalist Services, L.C. (NPI 1407216336, Saint Louis, MO); Mercy Aco Clinical Services Inc (NPI 1063965093, Chesterfield, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** August 6, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1720617871) · Data from the CMS NPPES public registry.