Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1609526714 Individual Practitioner Male Practitioner

Dr. Jack Demirjian , MD

Internal Medicine • Austin, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Jack Demirjian, MD is a certified Internal Medicine practicing in Austin, TX. With approximately 5 years of clinical experience since completing medical education in 2021, Dr. Demirjian delivers high-quality medical care to the local community at 1201 W 38TH ST.

Dr. Demirjian is affiliated with Usacs Integrated Acute Care Services Of Texas, Pllc and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

1201 W 38th St

Austin, TX 787051006

Telephone 8173131495
Associated Practice Facility / Clinic
🏢 Pediatrix Medical Group Facility NPI 1740234145

Medicare Profile & Education

Medical School

Other

Graduation Year

2021

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Austin, TX

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
5 Yrs -15.8 yrs vs City Avg
City Avg: 20.8 Yrs
State Avg: 26.2 Yrs
Regional Practice Density
620 Specialists

Practicing in Austin, TX (9538 Statewide)

Telehealth Adoption Rate
16.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Demirjian (5 Years) 5 Yrs
Austin Specialty Average (20.8 Years) 20.8 Yrs

Medical Specialties & State Licenses

CMS Verified: 2025-07-14
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License TX V6004

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, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Hospital & Practice Group Affiliations

Usacs Integrated Acute Care Services Of Texas, Pllc

1201 W 38th St, Austin, TX 787051006

Phone: 5123241000

Usacs Integrated Acute Care Services Of Texas, Pllc

260 Cully Dr, Kerrville, TX 780285950

Phone: 8302587747

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Priyanka Gurru

Psychiatry & Neurology - Neurology

NPI 1003501545
Jessica Wills , FNP-C

Nurse Practitioner - Family

NPI 1003524877

Family Nurse Practitioner (Certified)

Chloe Cullen , RN

Registered Nurse - Critical Care Medicine

NPI 1013738533

Registered Nurse

Theresa Thornhill

Nurse Practitioner - Neonatal

NPI 1013785583
Dr. Donald Kelley , MD

Pediatrics - Neonatal-Perinatal Medicine

NPI 1013957398

Doctor of Medicine (M.D.)

Stephanie Brioux

Nurse Practitioner

NPI 1023936705

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

9 Historical Events
📍
Updated Practice Location July 14, 2025

Registered at 1201 W 38TH ST, AUSTIN, TX 787051006 (Tel: 8173131495)

📍
Updated Business Mailing Address July 14, 2025

Registered at 1201 W 38TH ST, AUSTIN, TX 787051006 (Tel: 9152972250)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 14, 2025

Internal Medicine (License #V6004 in TX)

NPI Profile Active March 24, 2022

NPI status registered as active in NPPES database

📍
Updated Practice Location March 24, 2022

Registered at 10175 GATEWAY BLVD W STE 300, EL PASO, TX 799257618 (Tel: 9152636933)

📍
Updated Business Mailing Address March 24, 2022

Registered at 10175 GATEWAY BLVD WEST, STE 300, EL PASO, TX 799257618 (Tel: 9152636933)

👤
Provider Name / Credentials Updated March 24, 2022

Recorded as JACK DEMIRJIAN, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 24, 2022

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration March 24, 2022

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1609526714
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 24, 2022
Last Update: July 14, 2025
Sole Proprietor: No

Mailing Address

1201 W 38th St

Austin, TX 787051006

Phone: 9152972250

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.