Arun Jacob, MD

Internal medicine physician in San Antonio, Texas · NPI 1053688457

Arun Jacob is one of 622 internal medicine physicians practicing in San Antonio, Texas. Arun Jacob practices with Legacy Healthcare Services Inc, Oak Street Health Of Texas PLLC, and Questcare Hospitalists PLLC and 1 more group.

Registry record (NPPES)

NPI: 1053688457
Type: Type 1 · Individual
Primary taxonomy: Internal Medicine · 207R00000X
Address on file: 1213 E Trinity Mills Rd Ste 173
Carrollton, TX 75006-1446
(972) 962-1296
Enumerated: Nov 30, 2011
Record last updated: Feb 1, 2024
License states listed: TX

Medicare (CMS)

Enrollment: Medicare-enrolled in TX
Internal Medicine
Revalidation due: No date set by CMS

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Part D prescribing
Procedure volumes by CPT code
Group affiliations and colleagues
Full enrollment history

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Practice locations

111 Dallas St
San Antonio, TX 78205
(210) 297-7195
3333 Research Plz
San Antonio, TX 78235
(210) 297-3650
520 Madison Oak Dr
San Antonio, TX 78258
(210) 297-0412
7930 Floyd Curl Dr
San Antonio, TX 78229
(210) 297-5650
2740 Valwood Pkwy Suite 121
Dallas, TX 75234
(469) 518-3200
260 Cully Dr
Kerrville, TX 78028
(830) 258-7747
500 W Main St
Lewisville, TX 75057
(954) 939-5000
800 College Pkwy
Lewisville, TX 75077
(972) 420-8543

More internal medicine physicians in San Antonio

Updated August 2026. Practice locations and specialty come from the CMS Doctors and Clinicians file, the registry record from NPPES, and enrollment from CMS Medicare enrollment files. NPI records are corrected at the source, through NPPES.