Doctor profile · Federal record
Dr. Mark Greenburg, DDS, MS
Orthodontics and Dentofacial Orthopedic Dentist · Longmont, CO
- NPI 1932626447
- 9 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1739 Main St
Longmont, CO 80501
(303) 834-6400 - Additional location
-
5451 E Harmony RD, Bldg 2, Unit 205
Timnath, CO 80547
(970) 632-9955
Credentials & registration
- NPI registered
- August 2017 — 9 yrs on file
- Profile last updated
- February 26, 2026
- Specialty taxonomy
- 1223X0400X — NUCC code
- State license (1)
- Colorado #204828
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1932626447. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$47
Transactions
3
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| American Orthodontics Corporation | 3 | $46.50 |
By nature of payment
Frequently asked questions
What is Dr. Mark Greenburg's medical specialty?
Dr. Mark Greenburg practices Orthodontics and Dentofacial Orthopedic Dentist in Longmont, CO.
Where does Dr. Mark Greenburg practice?
Dr. Mark Greenburg practices at 1739 Main St, Longmont, CO 80501. Office phone: 3038346400.
What is Dr. Mark Greenburg's NPI?
Dr. Mark Greenburg's National Provider Identifier (NPI) is 1932626447, issued by NPPES.