DR. ALEXANDER JAMES KIENER MD, MPH
NPI 1790289320
Pediatrics - Pediatric Cardiology in Houston, TX
About Dr. Alexander James Kiener Md, Mph NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDER JAMES KIENER MD, MPH (NPI 1790289320) is an individual pediatric cardiology provider in Houston, Texas, licensed in Texas (W2526) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS and is a graduate of Other (2018).
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 (PECOS)
Dr. Alexander James Kiener Md, Mph is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Alexander Kiener reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Texas Childrens Physician Group
- 2,498 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.
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.
HOUSTON, TX 77030
HOUSTON, TX 77030
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 Kiener's NPI number?
The NPI number for Alexander Kiener is 1790289320. It was assigned to this individual provider in the NPPES registry on March 20, 2018.
Where is Alexander Kiener located?
Alexander Kiener practices at 6651 Main St, Houston, TX 77030. The listed phone number is (832) 824-1000.
What is Alexander Kiener's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.
Is Alexander Kiener enrolled in Medicare?
Yes. Alexander Kiener is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Alexander Kiener's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Kiener reassigns Medicare benefits to Texas Children's Physician Group (Houston, TX). The 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 Kiener's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alexander Kiener accept?
Health plans from Moda Health Plan, Inc. list Alexander Kiener 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.
When was this NPI record last updated?
The NPPES record for Alexander Kiener was last updated on January 21, 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.