Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Jackson Vaughan Littlejohn, MD

Individual provider Internal Medicine Physician · NPI 1124604152

Jackson Vaughan Littlejohn, MD practises Internal Medicine in Arlington, Texas. Graduated from Texas Tech University Health Science Center School of Medicine in 2021, 5 years ago. Practices with Hospital Medicine Services of Tx, PLLC, a 372-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
5
Trained at
Texas Tech University Health Science Center School of Medicine
Licensed in
TX
In the registry since
2021
Specialties on file
2
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

3301 Matlock Rd
Arlington, TX 76015-2908
Phone: (817) 347-1141
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X
Internal Medicine Physician Taxonomy 207R00000X · Licence U8765 (TX)

Record details

NPI number1124604152
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 21, 2021
Last updated in NPPESDecember 24, 2024
Certification dateDecember 24, 2024

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolTEXAS TECH UNIVERSITY HEALTH SCIENCE CENTER SCHOOL OF MEDICINE
Graduated 2021 (5 years in practice)
Group practice Hospital Medicine Services Of Tx, Pllc — 372 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients156
Services billed 332 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

  • Methodist Hospital Hospital · San Antonio, TX
  • Methodist Hospital Stone Oak Hospital · San Antonio, TX

Also affiliated with 2 inpatient rehabilitation facilities, which CMS identifies by certification number only.

Colleagues at Hospital Medicine Services of Tx, PLLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 372 clinicians in the practice; 12 are shown here.

Other providers in Arlington