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Ophthalmology

Tam Dang, MD

Sees patients in Brownsville, TX · Weslaco, TX · Winchester, VA … · Texas, Virginia

Summary

Tam Dang, MD (Ophthalmology) is enrolled with Medicare at 4 practice locations in Brownsville, TX, Weslaco, TX and Winchester, VA and other places. NPI 1184821803. 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 Tam Dang, 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

OphthalmologyPrimary specialty
YesAccepts Medicare assignment
19Years since medical school (graduated 2007)
University Of Texas Southwestern Medical School At DallasMedical school
MaleGender (as listed)
David M Harman MD LLCGroup practice (+1 more)

Quick answers

Where does Tam Dang see patients?
Medicare's clinician data lists 4 practice locations, including Brownsville, TX, Weslaco, TX and Winchester, VA. Call before your visit to confirm the address.
What is Tam Dang's specialty?
Medicare lists Ophthalmology as the primary specialty.
Does Tam Dang accept Medicare assignment?
Yes. Medicare's clinician data says Tam Dang 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 Tam Dang?
(956) 541-4828, as listed in official Medicare / NPI Registry data.
What is Tam Dang's NPI number?
1184821803. 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 Tam Dang is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Tam Dang as a member of these groups (CMS data updated 2026-10-02).

  • David M Harman MD LLC51 clinicians in the group
  • Alexander P. Sudarshan MD PA7 clinicians in the group

Specialties

Find other Ophthalmology doctors in Texas →

Other ophthalmologists in Brownsville

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

All ophthalmologists in Brownsville →

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Southwestern Medical School At Dallas
Graduation year2007
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1184821803
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