SINAN KHADDAM M.D.
NPI 1710328604
Internal Medicine - Hematology & Oncology in Killeen, TX
About Sinan Khaddam M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SINAN KHADDAM M.D. (NPI 1710328604) is an individual hematology & oncology provider in Killeen, Texas, licensed in Texas (V8864) and active in the NPI registry since July 2013. He is enrolled in Medicare PECOS, is affiliated with Ascension St Mary's Hospital, and is a graduate of Other (2010).
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 and accepts Medicare assignment
Sinan Khaddam 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
4Medicare enrollment records show Sinan Khaddam reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Temple, TX 76508
- Reassigned Medicare billing, Texas enrollment
- 2,795 clinicians in this Medicare group
Lima, OH 45801
- Reassigned Medicare billing, Ohio enrollment
- 439 clinicians in this Medicare group
Chesaning, MI 48616
- Reassigned Medicare billing, Michigan enrollment
- 125 clinicians in this Medicare group
Youngstown, OH 44504
- Reassigned Medicare billing, Ohio enrollment
- 744 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 5
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.
Ascension St Mary's Hospital
Acute Care Hospitals · Saginaw, MISt Elizabeth Youngstown Hospital
Acute Care Hospitals · Youngstown, OHMh St Joseph Warren Hospital
Acute Care Hospitals · Warren, OHHmhp St Elizabeth Boardman Health Center
Acute Care Hospitals · Boardman, OHBaylor Scott & White Medical Center - Temple
Acute Care Hospitals · Temple, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 76549 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
KILLEEN, TX 76549
KILLEEN, TX 76549
KILLEEN, TX 76549
KILLEEN, TX 76549
KILLEEN, TX 76549
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 Sinan Khaddam's NPI number?
The NPI number for Sinan Khaddam is 1710328604. It was assigned to this individual provider in the NPPES registry on July 9, 2013.
Where is Sinan Khaddam located?
Sinan Khaddam practices at 2207 Clear Creek Rd Ste 101, Killeen, TX 76549. The listed phone number is (254) 200-3200.
What is Sinan Khaddam's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Sinan Khaddam enrolled in Medicare?
Yes. Sinan Khaddam 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 Sinan Khaddam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sinan Khaddam reassigns Medicare benefits to 4 organizations: Scott & White Clinic (Temple, TX), Mercy Health Physicians Lima Specialty Care LLC (Lima, OH), Mymichigan Medical Center Saginaw (Chesaning, MI) and Mercy Health Physicians Youngstown Specialty Care LLC (Youngstown, OH). 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 Sinan Khaddam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sinan Khaddam accept?
Health plans from Anthem Blue Cross and Blue Shield, Antidote Health Plan of Ohio, Inc., Blue Cross and Blue Shield of Texas, CareSource and MedMutual and 2 other insurers list Sinan Khaddam 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 Sinan Khaddam affiliated with any hospitals?
According to CMS data, Sinan Khaddam is affiliated with Ascension St Mary's Hospital, St Elizabeth Youngstown Hospital, Mh St Joseph Warren Hospital, Hmhp St Elizabeth Boardman Health Center and Baylor Scott & White Medical Center - Temple.
When was this NPI record last updated?
The NPPES record for Sinan Khaddam was last updated on June 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.