P Praxis·MD
● Active Type 1 · Individual

Daniel Steven Gan Ong

Internal Medicine·Mesquite, TX· NPI 1427292705 · Enumerated 2009 · 17 years on NPI
Ong is 1 of 3 internal medicine providers in Mesquite and 1 of 883 in Texas.
NPI age
17 years
Enumerated 2009-04-30
Primary specialty
Internal Medicine
Plus 3 subspecialties
Licensed in
TX, CA
2 states
Status
Active
No deactivations on record
Last NPPES update
2023-04-26
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org

How this provider compares

Across 883 active internal medicine providers in Texas.

NPI age
17 years
≈ at median (17 yr)
State licenses
2 states
Top 78% — 21% of peers are multi-state
Subspecialties
3
In the 72% of peers with subspecialties

NPI lifetime · 2009 → 2026

2009-04Enumerated in NPPES
2009 2026

Where they practice

Practice location
5308 N Galloway Ave Ste 201
Mesquite, TX 751501125
📞 4698003200fax 4698003210
Mailing address
6705 Heritage Pkwy Ste 202
Rockwall, TX 750878727
📞 4698003200fax 4698003210

Additional practice locations

1 secondary location on file with NPPES.

Location 2
6705 Heritage Pkwy Ste 202
Rockwall, TX 750878727
📞 4698003200fax 4698003210

Specialties

  • Internal Medicine Primary
    An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical...
    TX license #R2192 taxonomy 207RI0011X
  • Internal Medicine
    A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...
    CA license #A136083 taxonomy 207R00000X
  • Internal Medicine
    An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
    TX license #R2192 taxonomy 207RC0000X
  • Student in an Organized Health Care Education/Training Program
    An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
    taxonomy 390200000X

Practice context

Part of a multi-provider practice. 2 other active providers share this practice address in NPPES.

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How to verify this provider

  1. Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
  2. Check the state license is currently active.State licensing boards publish current status; NPPES does not.
  3. Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.

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