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

Benjamin D Liess, MD

Individual provider Otolaryngology Physician · NPI 1265536445

Benjamin D Liess, MD is an Otolaryngology in South Portland, Maine. Graduated from University of Missouri, Columbia School of Medicine in 2004, 22 years ago. Accepts Medicare assignment. Licensed in Maine and Missouri.

Years since qualifying
22
Trained at
University of Missouri, Columbia School of Medicine
Licensed in
ME, MO
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

100 Foden Rd W Ste 100
South Portland, ME 04106-2327
Phone: (207) 347-2910
Fax: (207) 523-8591
Show map & directions

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

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence MD18388 (ME)
Otolaryngology Physician Taxonomy 207Y00000X · Licence 2009014370 (MO)
Otolaryngology Physician Taxonomy 207Y00000X · Licence T2004016418 (MO)

Record details

NPI number1265536445
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 11, 2006
Last updated in NPPESDecember 3, 2025
Certification dateDecember 3, 2025

Medicare enrollment

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

Medicare specialtyOTOLARYNGOLOGY
Also practisesMAXILLOFACIAL SURGERY, PLASTIC AND RECONSTRUCTIVE SURGERY
Medical schoolUNIVERSITY OF MISSOURI, COLUMBIA SCHOOL OF MEDICINE
Graduated 2004 (22 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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