NPI age
16 years
Enumerated 2009-07-22
● Active
Type 1 · Individual
DR. John D Cluley, M.D.
Cluley is 1 of 9 internal medicine providers in San Marcos and 1 of 1807 in Texas.
Primary specialty
Internal Medicine
Plus 2 subspecialties
Licensed in
TX, IL
2 states
Status
Active
No deactivations on record
Last NPPES update
2017-02-20
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
16 years
↓ 3 yr below median (19 yr)
State licenses
2 states
Top 83% — 17% of peers are multi-state
Subspecialties
2
In the 35% of peers with subspecialties
NPI lifetime · 2009 → 2026
2009-07Enumerated in NPPES
2009
2026
Where they practice
Practice location
1305 Wonder World Dr, Ste 200
San Marcos, TX 786667546
Mailing address
Po Box 35629
Dallas, TX 752350629
Specialties
-
Internal Medicine PrimaryAn 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...
-
Internal MedicineA 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,...
-
Internal MedicineThe discipline of Hepatology encompasses the structure, function, and diseases of the liver and biliary tract. The American Board of Internal Medicine considers Hepatology part of the subspecialty of gastroenterology. Physicians who...
Practice context
Part of a multi-provider practice. 38 other active providers share this practice address in NPPES.
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