SAMIR MAZHARUDDIN
NPI 1922442995
Internal Medicine - Hematology & Oncology in Webster, TX
About Samir Mazharuddin NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SAMIR MAZHARUDDIN (NPI 1922442995) is an individual hematology & oncology provider in Webster, Texas, licensed in Texas (Q0975) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann Hospital System, and is a graduate of Texas A & M University System, Hsc, College Of Medicine (2013).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 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
Samir Mazharuddin 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 Samir Mazharuddin reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Webster, TX 77598
- Reassigned Medicare billing, Texas enrollment
- 1,054 clinicians in this Medicare group
Lakeway, TX 78738
- Reassigned Medicare billing, Texas enrollment
- 3,167 clinicians in this Medicare group
Dallas, TX 75205
- Reassigned Medicare billing, Texas enrollment
- 144 clinicians in this Medicare group
Lubbock, TX 79401
- Reassigned Medicare billing, Texas enrollment
- 1,338 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 26
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Hermann Hospital System
Acute Care Hospitals · Houston, TXMemorial Hermann Northeast Hospital
Acute Care Hospitals · Humble, TXHca Houston Healthcare Kingwood
Acute Care Hospitals · Kingwood, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77598 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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WEBSTER, TX 77598
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 Samir Mazharuddin's NPI number?
The NPI number for Samir Mazharuddin is 1922442995. It was assigned to this individual provider in the NPPES registry on April 22, 2013.
Where is Samir Mazharuddin located?
Samir Mazharuddin practices at 711 W Bay Area Blvd Ste 602, Webster, TX 77598. The listed phone number is (281) 332-3001.
What is Samir Mazharuddin's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Samir Mazharuddin enrolled in Medicare?
Yes. Samir Mazharuddin 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 Samir Mazharuddin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Samir Mazharuddin reassigns Medicare benefits to 4 organizations: Texas Oncology PA (Webster, TX), Healthtexas Provider Network (Lakeway, TX), Inpatient Physician Associates PLLC (Dallas, TX) and Concord Medical Group PLLC (Lubbock, TX). 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 Samir Mazharuddin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Samir Mazharuddin accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 9 other insurers list Samir Mazharuddin 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 Samir Mazharuddin affiliated with any hospitals?
According to CMS data, Samir Mazharuddin is affiliated with Memorial Hermann Hospital System, Memorial Hermann Northeast Hospital and Hca Houston Healthcare Kingwood.
When was this NPI record last updated?
The NPPES record for Samir Mazharuddin was last updated on October 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.