DR. CHADI DIAB M.D
NPI 1447666219
Radiology - Vascular & Interventional Radiology in Houston, TX
About Dr. Chadi Diab M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHADI DIAB M.D (NPI 1447666219) is an individual vascular & interventional radiology provider in Houston, Texas, licensed in Texas (U4783) and active in the NPI registry since July 2014. He is enrolled in Medicare PECOS, is affiliated with Houston Methodist Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
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. Chadi Diab M.d 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 Chadi Diab reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 119 clinicians in this Medicare group
Lexington, KY 40517
- Reassigned Medicare billing, Kentucky enrollment
- 1,502 clinicians in this Medicare group
Bonita Springs, FL 34134
- Reassigned Medicare billing, Florida enrollment
- 191 clinicians in this Medicare group
Crestview Hills, KY 41017
- Reassigned Medicare billing, Kentucky enrollment
- 51 clinicians in this Medicare group
Cincinnati, OH 45213
- Reassigned Medicare billing, Ohio enrollment
- 79 clinicians in this Medicare group
Cincinnati, OH 45213
- Reassigned Medicare billing, Ohio enrollment
- 90 clinicians in this Medicare group
Cincinnati, OH 45227
- Reassigned Medicare billing, Ohio enrollment
- 46 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 30
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.
Houston Methodist Hospital
Acute Care Hospitals · Houston, TXHouston Methodist Baytown Hospital
Acute Care Hospitals · Baytown, TXHouston Methodist Clear Lake Hospital
Acute Care Hospitals · Nassau Bay, TXHouston Methodist Sugarland Hospital
Acute Care Hospitals · Sugar Land, TXHouston Methodist The Woodlands Hospital
Acute Care Hospitals · The Woodlands, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Chadi Diab's NPI number?
The NPI number for Chadi Diab is 1447666219. It was assigned to this individual provider in the NPPES registry on July 1, 2014.
Where is Chadi Diab located?
Chadi Diab practices at 6565 Fannin St # M268, Houston, TX 77030. The listed phone number is (832) 215-5708.
What is Chadi Diab's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.
Is Chadi Diab enrolled in Medicare?
Yes. Chadi Diab 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 Chadi Diab's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chadi Diab reassigns Medicare benefits to 7 organizations: Houston Radiology Associated (Houston, TX), Kentucky Medical Services Foundation, Inc (Lexington, KY), Proscan Nch Imaging LLC (Bonita Springs, FL), Proscan Radiology Northern Kentucky, LLC (Crestview Hills, KY), Ct At Midtown (Cincinnati, OH) 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 Chadi Diab's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Chadi Diab accept?
Health plans from Blue Cross and Blue Shield of Texas, Cigna HealthCare of Florida, Inc. and Cigna Healthcare list Chadi Diab 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 Chadi Diab affiliated with any hospitals?
According to CMS data, Chadi Diab is affiliated with Houston Methodist Hospital, Houston Methodist Baytown Hospital, Houston Methodist Clear Lake Hospital, Houston Methodist Sugarland Hospital and Houston Methodist The Woodlands Hospital.
When was this NPI record last updated?
The NPPES record for Chadi Diab was last updated on July 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.