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

Dr. Mark Benjamin Sigler, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1578799946

Dr. Mark Benjamin Sigler, MD is a Pulmonary Disease in Amarillo, Texas. Graduated from Creighton University School of Medicine in 2009, 17 years ago. Practices with Texas Tech University Health Sciences Center Amarillo, a 74-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
17
Trained at
Creighton University School of Medicine
Licensed in
TX
In the registry since
2009
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

6700 W 9th Ave
Amarillo, TX 79106-1701
Phone: (806) 358-0200
Fax: (806) 356-5590
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1400 S Coulter St, Amarillo, TX 79106-1786 — (806) 414-9100

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence Q4286 (TX)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence Q4286 (TX)

Record details

NPI number1578799946
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 29, 2009
Last updated in NPPESDecember 13, 2019
Certification dateDecember 13, 2019
Mailing addressPo Box 840020, Dallas, TX 75284-0020

Medicare enrollment

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

Medicare specialtyPULMONARY DISEASE
Also practisesCRITICAL CARE (INTENSIVISTS), INTERNAL MEDICINE
Medical schoolCREIGHTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2009 (17 years in practice)
Group practice Texas Tech University Health Sciences Center Amarillo — 74 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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