Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Adi Klein, MD

Individual provider Internal Medicine Physician · NPI 1912929423

Dr. Adi Klein, MD is a Hospitalist in San Antonio, Texas. Graduated from University of California, Geffen School of Medicine in 1998, 28 years ago. Practices with Usacs Integrated Acute Care Services of Texas, PLLC, a 400-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California, Kentucky and Texas.

Years since qualifying
28
Trained at
University of California, Geffen School of Medicine
Licensed in
CA, KY, TX
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3551 Roger Brooke Dr
San Antonio, TX 78234-4504
Phone: (210) 916-5586
Fax: (210) 916-5102
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2827 Babcock Rd, San Antonio, TX 78229-4813 — (210) 705-6686

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence N6427 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence A71260 (CA)
Hospitalist Physician Taxonomy 208M00000X · Licence 48721 (KY)

Record details

NPI number1912929423
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 24, 2006
Last updated in NPPESJuly 30, 2021
Certification dateJuly 30, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Graduated 1998 (28 years in practice)
Group practice Usacs Integrated Acute Care Services Of Texas, Pllc — 400 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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