Doctor profile · Federal record
Dr. Nicholas Mast, MD
Orthopaedic Surgery Physician · Orthopaedic Surgery Physician · Orthopaedic Surgery Physician · Orthopaedic Surgery Physician · Novato, CA
- NPI 1932399698
- 19 yrs on file
- Licensed in 4 states
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
100 Rowland Way Ste 200
Novato, CA 949455041
(415) 530-5330
fax (415) 530-5333 - Additional location
-
2250 Hayes St Ste 208
San Francisco, CA 94117 - Mailing address
-
8 Alpine Lily Pl
San Rafael, CA 949031090
Credentials & registration
- NPI registered
- July 2007 — 19 yrs on file
- Profile last updated
- January 9, 2023
- Specialty taxonomy
- 207X00000X — NUCC code
- State licenses (4)
- California #A98951 · Nevada #12254 · Utah #5401485-1205 · Colorado #DR.0061770
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1932399698. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$3,692
Transactions
15
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| MEDACTA USA, INC. | 15 | $3,692.11 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
145
Patients
86
Total drug cost
$6,531
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Celecoxib | Generic | 77 | 50 | $5,470 |
| Tramadol Hcl | Generic | 23 | 19 | $114 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 17 | 17 | $122 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 15 | 0 | $72 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 13 | 0 | $754 |
Frequently asked questions
What is Dr. Nicholas Mast's medical specialty?
Dr. Nicholas Mast practices Orthopaedic Surgery Physician in Novato, CA.
Where does Dr. Nicholas Mast practice?
Dr. Nicholas Mast practices at 100 Rowland Way Ste 200, Novato, CA 949455041. Office phone: 4155305330.
What is Dr. Nicholas Mast's NPI?
Dr. Nicholas Mast's National Provider Identifier (NPI) is 1932399698, issued by NPPES.