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Internal Medicine

Usman Zafar, MD

Sees patients in Richardson, TX · Texas

Summary

Usman Zafar, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Richardson, TX. NPI 1558329235. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Usman Zafar, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
47Years since medical school (graduated 1979)
MaleGender (as listed)
Primary Health Physicians PLLCGroup practice

Quick answers

Where does Usman Zafar see patients?
Medicare's clinician data lists 1 practice location in Richardson, TX. Call before your visit to confirm the address.
What is Usman Zafar's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Nephrology.
Does Usman Zafar accept Medicare assignment?
Yes. Medicare's clinician data says Usman Zafar accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Usman Zafar?
(469) 232-2945, as listed in official Medicare / NPI Registry data.
What is Usman Zafar's NPI number?
1558329235. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Usman Zafar is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Usman Zafar as a member of this group (CMS data updated 2026-10-02).

  • Primary Health Physicians PLLC239 clinicians in the group

Specialties

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Richardson

Clinicians with the same Medicare primary specialty in Richardson, TX — not a recommendation.

All internal medicine doctors in Richardson →

Clinician information

CredentialMD
Graduation year1979
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1558329235
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians