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

Dr. Jack Demirjian, MD

Individual provider Internal Medicine Physician · NPI 1609526714

Dr. Jack Demirjian, MD is an Internal Medicine in Austin, Texas. Qualified in 2021, 5 years ago. Practices with Usacs Integrated Acute Care Services of Texas, PLLC, a 400-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
5
Licensed in
TX
In the registry since
2022
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

1201 W 38th St
Austin, TX 78705-1006
Phone: (817) 313-1495
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence V6004 (TX)

Record details

NPI number1609526714
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 24, 2022
Last updated in NPPESJuly 14, 2025
Certification dateJuly 14, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2021 (5 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 locations3 on file with Medicare

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