DR. MAZHAR HASAN KHAN MD FACC
NPI 1437462579
Internal Medicine - Clinical Cardiac Electrophysiology in Mcallen, TX
About Dr. Mazhar Hasan Khan Md Facc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MAZHAR HASAN KHAN MD FACC (NPI 1437462579) is an individual clinical cardiac electrophysiology provider in Mcallen, Texas, licensed in Texas (V5092) and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS, is affiliated with South Texas Health System, and is a graduate of Other (1986).
NPPES Registry Identity
Specialties & Licenses 2
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. Mazhar Hasan Khan Md Facc 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 Mazhar Khan reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mcallen, TX 78503
- Reassigned Medicare billing, Texas enrollment
- 22 clinicians in this Medicare group
Southfield, MI 48034
- Reassigned Medicare billing, Michigan enrollment
- 407 clinicians in this Medicare group
Detroit, MI 48201
- Reassigned Medicare billing, Michigan enrollment
- 26 clinicians in this Medicare group
Roseville, MI 48066
- Reassigned Medicare billing, Michigan enrollment
- 4 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 15
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
South Texas Health System
Acute Care Hospitals · Edinburg, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78503 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 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MCALLEN, TX 78503
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 Mazhar Khan's NPI number?
The NPI number for Mazhar Khan is 1437462579. It was assigned to this individual provider in the NPPES registry on July 19, 2010.
Where is Mazhar Khan located?
Mazhar Khan practices at 500 E Ridge Rd Ste 300, Mcallen, TX 78503. The listed phone number is (956) 630-5522.
What is Mazhar Khan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.
Is Mazhar Khan enrolled in Medicare?
Yes. Mazhar Khan 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 Mazhar Khan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mazhar Khan reassigns Medicare benefits to 4 organizations: Heart Clinic, PLLC (Mcallen, TX), Vhs Physicians Of Michigan (Southfield, MI), Halo Medical Group PLLC (Detroit, MI) and Heart Rhythm And Pacemaker Specialist PLLC (Roseville, MI). 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 Mazhar Khan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mazhar Khan 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 4 other insurers list Mazhar Khan 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 Mazhar Khan affiliated with any hospitals?
According to CMS data, Mazhar Khan is affiliated with South Texas Health System.
When was this NPI record last updated?
The NPPES record for Mazhar Khan was last updated on July 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.