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

Ian M Greenberg, MD

Individual provider Internal Medicine Physician · NPI 1649791542

Ian M Greenberg, MD is a Gastroenterology in Dallas, Texas. Graduated from University of Missouri, Kansas City, School of Medicine in 2017, 9 years ago. Practices with Dallas Medical Specialists, PLLC, a 85-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Idaho, Illinois and Texas.

Years since qualifying
9
Trained at
University of Missouri, Kansas City, School of Medicine
Licensed in
ID, IL, TX
In the registry since
2017
Specialties on file
3
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

122 W Colorado Blvd
Dallas, TX 75208-2382
Phone: (214) 947-6700
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 775 Pole Line Rd W Ste 203, Twin Falls, ID 83301-5820 — (208) 814-8300

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence BP10069838 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence 125071387 (IL)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 4971345 (ID)

Record details

NPI number1649791542
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 29, 2017
Last updated in NPPESJune 6, 2025
Certification dateJune 6, 2025

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MISSOURI, KANSAS CITY, SCHOOL OF MEDICINE
Graduated 2017 (9 years in practice)
Group practice Dallas Medical Specialists, Pllc — 85 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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