LEILA G. VIZIROV, M.D., P.A.
NPI 1174627764
Family Medicine in Houston, TX
About Leila G. Vizirov, M.d., P.a. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LEILA G. VIZIROV, M.D., P.A. (NPI 1174627764) is a healthcare organization registered as a family medicine in Houston, Texas and active in the NPI registry since September 2006. The organization holds a CLIA Waiver certificate valid through September 17, 2028 and lists Leila G. Vizirov, Owner/president, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Leila G. Vizirov, M.d., P.a. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by December 31, 2026
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Leila G. Vizirov, M.D., P.A., which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 45D1032480
Leila G Vizirov MD PA · Houston, TXFrequently 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 Leila G. Vizirov, M.D., P.A.'s NPI number?
The NPI number for Leila G. Vizirov, M.D., P.A. is 1174627764. It was assigned to this organization in the NPPES registry on September 12, 2006.
Where is Leila G. Vizirov, M.D., P.A. located?
Leila G. Vizirov, M.D., P.A. is located at 1919 North Loop W Ste 310, Houston, TX 77008. The listed phone number is (713) 869-4404.
What is Leila G. Vizirov, M.D., P.A.'s specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Leila G. Vizirov, M.D., P.A. enrolled in Medicare?
Yes. Leila G. Vizirov, M.D., P.A. is registered in the Medicare PECOS enrollment system.
When is Leila G. Vizirov, M.D., P.A.'s Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Texas, Clinic/Group Practice) is due for revalidation by December 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Leila G. Vizirov, M.D., P.A.?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Leila G. Vizirov, M.D., P.A.. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Leila G. Vizirov, M.D., P.A. hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 45D1032480) is associated with this NPI, valid through September 17, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Leila G. Vizirov, M.D., P.A. was last updated on August 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Leila G. Vizirov, M.d., P.a. · NPI 1174627764
Family Medicine organization in Houston, Texas. Organization record, active in the CMS NPPES registry since September 12, 2006.
## Identity
- **NPI:** 1174627764 (Entity type: Organization)
- **Enumerated:** September 12, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **Organization subpart:** No
- **Authorized official:** Leila Vizirov, OWNER/PRESIDENT
## Practice location
- **Address:** 1919 NORTH LOOP W STE 310, Houston, TX 77008-1301
- **Phone:** (713) 869-4404 · **Fax:** (713) 869-4415
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** December 31, 2026 (Non-DME Part B, Texas, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 1 clinician (Family Practice) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 10, 2026
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1174627764) · Data from the CMS NPPES public registry.