Doctor profile · Federal record
Dr. Mark Gregston, D.D.S.
Orthodontics and Dentofacial Orthopedic Dentist · Denver, CO
- NPI 1790878619
- 20 yrs on file
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
7150 E Hampden Ave, #200
Denver, CO 802243025
(303) 758-2366
fax (303) 756-1460
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Specialty taxonomy
- 1223X0400X — NUCC code
- State license (1)
- Colorado #8720
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1790878619. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$427
Transactions
9
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| American Orthodontics Corporation | 6 | $285.68 | |
| World Class Technology Corporation | 3 | $141.44 |
By nature of payment
Frequently asked questions
What is Dr. Mark Gregston's medical specialty?
Dr. Mark Gregston practices Orthodontics and Dentofacial Orthopedic Dentist in Denver, CO.
Where does Dr. Mark Gregston practice?
Dr. Mark Gregston practices at 7150 E Hampden Ave, Denver, CO 802243025. Office phone: 3037582366.
What is Dr. Mark Gregston's NPI?
Dr. Mark Gregston's National Provider Identifier (NPI) is 1790878619, issued by NPPES.