P Praxis·MD
● Active Type 2 · Organization

David A Marks MD PA

Internal Medicine·San Antonio, TX· NPI 1780883793 · Enumerated 2007 · 18 years on NPI
David A Marks MD PA is 1 of 1318 internal medicine organizations in Texas.
NPI age
18 years
Enumerated 2007-07-11
Primary specialty
Internal Medicine
Plus 2 secondary
Practice locations
1
0 secondary on file
Status
Active
No deactivations on record
Authorized official
Marks
Owner/physician
Last NPPES update
2014-10-20
Source: monthly bulk 2026-05

How this organization compares

Across 1318 active internal medicine providers in Texas.

NPI age
18 years
≈ at median (18 yr)
Practice locations
1
0 secondary on file
Subspecialties
2
In the 57% of peers with subspecialties

NPI lifetime · 2007 → 2026

2007-07Enumerated in NPPES
2007 2026

Where they practice

Primary practice location
115 Gallery Cir, 102
San Antonio, TX 782583388
📞 2104944220fax 2104944227
Mailing address
115 Gallery Cir, 102
San Antonio, TX 782583388
📞 2104944220fax 2104944227

Authorized official

David Alan Marks, MD
Owner/physician
📞 2104244220

Individual providers at this organization

3 individual providers on file at this primary practice address.

Specialties

  • Internal Medicine Primary
    An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex...
    TX license #L6513 taxonomy 207RP1001X
  • Internal Medicine
    An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the...
    TX license #L6513 taxonomy 207RC0200X
  • Internal Medicine
    An internist trained to be responsible for continuous care in the field of sports medicine, not only for the enhancement of health and fitness, but also for the prevention of injury and illness. A sports medicine physician must have...
    TX license #L6513 taxonomy 207RS0010X

Identifiers

TypeValueNotes
01 (TX) 0097RB BCBS GROUP

Practice context

Multi-provider organization. 3 individual providers on file at this primary address.

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How to verify this organization

  1. Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
  2. Verify the organization is in good standing.Cross-check with the state's business registration and any applicable licensing boards.
  3. Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.

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