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

Dr. Mark A. Greenburg, DDS, MS

Individual provider Orthodontics and Dentofacial Orthopedics Dentistry · NPI 1932626447

Dr. Mark A. Greenburg, DDS, MS is an Orthodontics and Dentofacial Orthopedics Dentistry in Longmont, Colorado. Works from 2 locations. Licensed in Colorado.

Licensed in
CO
In the registry since
2017
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.
MS — Master of Science
A graduate science degree.

See every abbreviation used in this directory →

Practice location Address checks out

1739 Main St
Longmont, CO 80501
Phone: (303) 834-6400
Show map & directions

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

Additional practice locations (1)

  • 5451 E Harmony Rd, Timnath, CO 80547 — (970) 632-9955

Specialties & licences

Orthodontics and Dentofacial Orthopedics Dentistry (primary) Taxonomy 1223X0400X · Licence 204828 (CO)

Record details

NPI number1932626447
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS , MS
Sole proprietorNo
NPI enumeratedAugust 25, 2017
Last updated in NPPESFebruary 26, 2026
Certification dateFebruary 26, 2026

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