HECTOR E NAZARIO MD
NPI 1437160827
Internal Medicine - Transplant Hepatology in Dallas, TX
About Hector E Nazario Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HECTOR E NAZARIO MD (NPI 1437160827) is an individual transplant hepatology provider in Dallas, Texas, licensed in Texas (M1260) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Methodist Dallas Medical Center, and maintains a secondary practice location in Durango.
NPPES Registry Identity
Specialties & Licenses 4
Secondary Practice Location 1
Other Identifiers 4
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
Hector E Nazario Md 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
2Medicare enrollment records show Hector Nazario reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dallas, TX 75203
- Reassigned Medicare billing, Texas enrollment
- 562 clinicians in this Medicare group
Lamar, CO 81052
- Reassigned Medicare billing, Colorado enrollment
- 1,193 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 4
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Methodist Dallas Medical Center
Acute Care Hospitals · Dallas, TXBsa Hospital
Acute Care Hospitals · Amarillo, TXTexas Health Harris Methodist Hurst-Euless-Bedford
Acute Care Hospitals · Bedford, TXMethodist Mansfield Medical Center
Acute Care Hospitals · Mansfield, TXReferred Medical Equipment & Supplies CMS DME claims 6
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DALLAS, TX 75203
DALLAS, TX 75203
DALLAS, TX 75203
DALLAS, TX 75203
DALLAS, TX 75203
DALLAS, TX 75203
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 Hector Nazario's NPI number?
The NPI number for Hector Nazario is 1437160827. It was assigned to this individual provider in the NPPES registry on August 10, 2006.
Where is Hector Nazario located?
Hector Nazario practices at 1411 N Beckley Ave Pav III Ste#268, Dallas, TX 75203. The listed phone number is (214) 947-4400.
What is Hector Nazario's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Transplant Hepatology, with taxonomy code 207RT0003X.
Is Hector Nazario enrolled in Medicare?
Yes. Hector Nazario 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 Hector Nazario's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hector Nazario reassigns Medicare benefits to 2 organizations: Medhealth (Dallas, TX) and Catholic Health Initiatives Colorado (Lamar, CO). 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 Hector Nazario's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Hector Nazario 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 8 other insurers list Hector Nazario 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 Hector Nazario affiliated with any hospitals?
According to CMS data, Hector Nazario is affiliated with Methodist Dallas Medical Center, Bsa Hospital, Texas Health Harris Methodist Hurst-Euless-Bedford and Methodist Mansfield Medical Center.
When was this NPI record last updated?
The NPPES record for Hector Nazario was last updated on December 26, 2024. 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.