P Praxis·MD
● Active Type 1 · Individual

DR. Shannon Marek, M.D.

Internal Medicine·San Marcos, TX· NPI 1528282050 · Enumerated 2007 · 19 years on NPI
Marek is 1 of 9 internal medicine providers in San Marcos and 1 of 1807 in Texas.
NPI age
19 years
Enumerated 2007-04-13
Primary specialty
Internal Medicine
Plus 1 subspecialty
Licensed in
GA, AL
2 states
Status
Active
No deactivations on record
Last NPPES update
2013-02-20
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org

How this provider compares

Across 1807 active internal medicine providers in Texas.

NPI age
19 years
≈ at median (19 yr)
State licenses
2 states
Top 83% — 17% of peers are multi-state
Subspecialties
1
In the 35% of peers with subspecialties

NPI lifetime · 2007 → 2026

2007-04Enumerated in NPPES
2007 2026

Where they practice

Practice location
1305 Wonder World Dr, Suite 200
San Marcos, TX 786667546
📞 5127548676fax 5127548680
Mailing address
831 Uluru Ave
New Braunfels, TX 781323890
📞 5127548676fax 5127548680

Specialties

  • Internal Medicine Primary
    An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and...
    GA license #059554 taxonomy 207RG0100X
  • 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,...
    AL license #27100 taxonomy 207R00000X

Practice context

Part of a multi-provider practice. 38 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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