Doctor profile · Federal record
Dr. Greg Blash, DDS
Dentist · Corona, CA
- NPI 1215139704
- 19 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2791 Green River RD, #104
Corona, CA 928827452
(951) 279-3939
fax (951) 279-0914
Credentials & registration
- NPI registered
- June 2007 — 19 yrs on file
- Profile last updated
- July 8, 2007
- Specialty taxonomy
- 122300000X — NUCC code
- State license (1)
- California #DG33910
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1215139704. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$205
Transactions
8
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Envista Holdings Corporation | 5 | $139.09 | |
| Straumann USA LLC | 1 | $34.77 | |
| Solventum Corporation | 1 | $18.12 | |
| Gc America INC. | 1 | $13.47 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
17
Patients
12
Total drug cost
$134
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amoxicillin | Generic | 17 | 12 | $134 |
Frequently asked questions
What is Dr. Greg Blash's medical specialty?
Dr. Greg Blash practices Dentist in Corona, CA.
Where does Dr. Greg Blash practice?
Dr. Greg Blash practices at 2791 Green River RD, Corona, CA 928827452. Office phone: 9512793939.
What is Dr. Greg Blash's NPI?
Dr. Greg Blash's National Provider Identifier (NPI) is 1215139704, issued by NPPES.