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

Dr. Marc Spencer Elieson, MD

Individual provider Internal Medicine Physician · NPI 1700044013

Dr. Marc Spencer Elieson, MD is an Internal Medicine in Waco, Texas. Graduated from Texas Tech University Health Science Center School of Medicine in 2005, 21 years ago. Practices with Hillcrest Physician Services, a 113-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
21
Trained at
Texas Tech University Health Science Center School of Medicine
Licensed in
TX
In the registry since
2008
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

100 Hillcrest Medical Blvd
Waco, TX 76712-8897
Phone: (254) 202-5300
Fax: (254) 202-5349
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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 M9995 (TX)

Record details

NPI number1700044013
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 23, 2008
Last updated in NPPESSeptember 11, 2020
Certification dateSeptember 11, 2020

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 2005 (21 years in practice)
Group practice Hillcrest Physician Services — 113 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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