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

Dr. Mark Howard Terris, MD

Individual provider Otolaryngology Physician · NPI 1073673505

Dr. Mark Howard Terris, MD is an Otolaryngology in Largo, Maryland. Graduated from University of California, San Francisco School of Medicine in 1989, 37 years ago. Practices with Kaiser Foundation Health Plan of the Mid Atlantic States, Inc, a 1,934-clinician group and accepts Medicare assignment. Licensed in District of Columbia, Maryland and Virginia.

Years since qualifying
37
Trained at
University of California, San Francisco School of Medicine
Licensed in
DC, MD, VA
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

1221 Mercantile Ln
Largo, MD 20774-5374
Phone: (301) 618-5500
Show map & directions

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

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence D0047366 (MD)
Otolaryngology Physician Taxonomy 207Y00000X · Licence 0101052267 (VA)
Otolaryngology Physician Taxonomy 207Y00000X · Licence MD21307 (DC)

Record details

NPI number1073673505
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 12, 2006
Last updated in NPPESJanuary 19, 2022
Certification dateJanuary 19, 2022
Mailing address2101 E Jefferson St, Kaiser Permanente Medicare Enrollment, Rockville, MD 20852-4908

Medicare enrollment

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

Medicare specialtyOTOLARYNGOLOGY
Medical schoolUNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE
Graduated 1989 (37 years in practice)
Group practice Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc — 1934 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Largo