CONSTANTINE KHALIL SAADEH M.D.
NPI 1457322869
Internal Medicine - Rheumatology in Amarillo, TX
About Constantine Khalil Saadeh M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CONSTANTINE KHALIL SAADEH M.D. (NPI 1457322869) is an individual rheumatology provider in Amarillo, Texas, licensed in Texas (102726) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Union County General Hospital, and is a graduate of Other (1982).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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
Constantine Khalil Saadeh 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 Reassignment
Medicare enrollment records show Constantine Saadeh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
- Reassigned Medicare billing, Texas enrollment
- 16 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 110
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.
Union County General Hospital
Critical Access Hospitals · Clayton, NMNorthwest Texas Hospital
Acute Care Hospitals · Amarillo, TXBsa Hospital
Acute Care Hospitals · Amarillo, TXChildress Regional Medical Center
Acute Care Hospitals · Childress, TXOchiltree General Hospital
Critical Access Hospitals · Perryton, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 79124 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.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 15
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 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Constantine Saadeh's NPI number?
The NPI number for Constantine Saadeh is 1457322869. It was assigned to this individual provider in the NPPES registry on February 1, 2006.
Where is Constantine Saadeh located?
Constantine Saadeh practices at 6842 Plum Creek Dr, Amarillo, TX 79124. The listed phone number is (806) 353-7000.
What is Constantine Saadeh's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Constantine Saadeh enrolled in Medicare?
Yes. Constantine Saadeh 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 organization bills Medicare for Constantine Saadeh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Constantine Saadeh reassigns Medicare benefits to Allergy Arts LLP (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 Constantine Saadeh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Constantine Saadeh accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 2 other insurers list Constantine Saadeh 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 Constantine Saadeh affiliated with any hospitals?
According to CMS data, Constantine Saadeh is affiliated with Union County General Hospital, Northwest Texas Hospital, Bsa Hospital, Childress Regional Medical Center and Ochiltree General Hospital.
When was this NPI record last updated?
The NPPES record for Constantine Saadeh was last updated on January 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.