Doctor profile · Federal record
Dr. Roberto Diaz, M.D.
Orthopaedic Hand Surgery Physician (CMS: Hand Surgery) · Mountain View, CA
- NPI 1124261110
- Accepts Medicare
- 18 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
701 E El Camino Real
Mountain View, CA 940402833
(650) 934-7111 - Mailing address
-
325 Distel Cir
Los Altos, CA 940221408
Credentials & registration
- NPI registered
- April 2009 — 17 yrs on file
- Profile last updated
- December 10, 2020
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 207XS0106X — NUCC code
- State license (1)
- California #A112035
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1124261110. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,108
Distinct HCPCS
10
Medicare allowed
$143,378
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 235 | 194 | $156 | |
J0702 |
Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg | 206 | 132 | $7 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 182 | 182 | $199 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 152 | 111 | $111 | |
20550 |
Injection into tendon or ligament | 116 | 98 | $70 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 60 | 60 | $137 | |
J3301 |
Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 46 | 18 | $1 | |
20600 |
Aspiration and/or injection of fluid from small joint | 28 | 26 | $62 | |
64721 |
Release and/or relocation of hand nerve | 24 | 21 | $546 | |
26055 |
Incision of tendon covering of finger | 21 | 19 | $786 |
In context: peer comparison
Among 3 peers in Mountain View Orthopaedic Hand Surgery Physician, average services per provider: 84. This provider delivers 13× the peer median.Open Payments
Industry payments received
All-time total
$221
Transactions
3
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Globus Medical, INC. | 2 | $174.06 | |
| Axogen | 1 | $46.79 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
69
Patients
56
Total drug cost
$246
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 47 | 38 | $186 |
| Ibuprofen | Generic | 22 | 18 | $59 |
Frequently asked questions
What is Dr. Roberto Diaz's medical specialty?
Dr. Roberto Diaz practices Orthopaedic Hand Surgery Physician in Mountain View, CA.
Where does Dr. Roberto Diaz practice?
Dr. Roberto Diaz practices at 701 E El Camino Real, Mountain View, CA 940402833. Office phone: 6509347111.
What is Dr. Roberto Diaz's NPI?
Dr. Roberto Diaz's National Provider Identifier (NPI) is 1124261110, issued by NPPES.
Does Dr. Roberto Diaz accept Medicare assignment?
Yes. Dr. Roberto Diaz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Roberto Diaz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg (HCPCS J0702); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.