TAHREEM S AZIZ DO
NPI 1962847129
Hospitalist in Saint Louis, MO
About Tahreem S Aziz Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TAHREEM S AZIZ DO (NPI 1962847129) is an individual hospitalist provider in Saint Louis, Missouri, licensed in Missouri (2016006393) and active in the NPI registry since May 2013. She is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses 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
Tahreem S Aziz Do 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
7Medicare enrollment records show Tahreem Aziz reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63141
- Reassigned Medicare billing, Illinois enrollment
- 507 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 611 clinicians in this Medicare group
Saint Louis, MO 63117
- Reassigned Medicare billing, Missouri enrollment
- 741 clinicians in this Medicare group
Fenton, MO 63026
- Reassigned Medicare billing, Missouri enrollment
- 255 clinicians in this Medicare group
Bridgeton, MO 63044
- Reassigned Medicare billing, Missouri enrollment
- 301 clinicians in this Medicare group
Oak Ridge, TN 37830
- Reassigned Medicare billing, Missouri enrollment
- 193 clinicians in this Medicare group
Gilroy, CA 95020
- Reassigned Medicare billing, California enrollment
- 2,460 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 4
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 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, MOMissouri Baptist Medical Center
Acute Care Hospitals · Town And Country, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63131 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
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 63131
SAINT LOUIS, MO 63131
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 Tahreem Aziz's NPI number?
The NPI number for Tahreem Aziz is 1962847129. It was assigned to this individual provider in the NPPES registry on May 1, 2013.
Where is Tahreem Aziz located?
Tahreem Aziz practices at 3015 N Ballas Rd, Saint Louis, MO 63131. The listed phone number is (314) 996-5772.
What is Tahreem Aziz's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Tahreem Aziz enrolled in Medicare?
Yes. Tahreem Aziz 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 Tahreem Aziz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tahreem Aziz reassigns Medicare benefits to 7 organizations: Fairview Heights Medical Group, Sc (Saint Louis, MO), Physician Groups Lc (Saint Louis, MO), Ssm Health Care St. Louis (Saint Louis, MO), Cogent Healthcare Of Missouri, Inc (Fenton, MO), Sound Physicians Of Illinois, LLC (Bridgeton, MO) and 2 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 Tahreem Aziz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tahreem Aziz accept?
Health plans from Cigna Healthcare list Tahreem Aziz 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 Tahreem Aziz affiliated with any hospitals?
According to CMS data, Tahreem Aziz is affiliated with Barnes Jewish Hospital and Missouri Baptist Medical Center.
When was this NPI record last updated?
The NPPES record for Tahreem Aziz was last updated on January 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Tahreem S Aziz, DO · NPI 1962847129
Hospitalist physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since May 1, 2013.
## Identity
- **NPI:** 1962847129 (Entity type: Individual)
- **Enumerated:** May 1, 2013
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 2016006393 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 3015 N BALLAS RD, Saint Louis, MO 63131-2329
- **Phone:** (314) 996-5772
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Fairview Heights Medical Group, Sc (NPI 1811392210, Saint Louis, MO); Physician Groups Lc (NPI 1285664268, Saint Louis, MO); Ssm Health Care St. Louis (NPI 1366400855, Saint Louis, MO); Cogent Healthcare Of Missouri, Inc (NPI 1780961599, Fenton, MO); Sound Physicians Of Illinois, LLC (NPI 1043598865, Bridgeton, MO); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** January 27, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1962847129) · Data from the CMS NPPES public registry.