Doctor profile · Federal record
Dr. Benjamin Lopez, PA
Physician Assistant · Walnut Creek, CA
- NPI 1881153187
- Accepts Medicare
- MIPS 86.3 / 100 · 2023
- 8 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1601 Ygnacio Valley RD
Walnut Creek, CA 945983122
(925) 395-5800 - Mailing address
-
2414 Otis Dr
Alameda, CA 945015243
Credentials & registration
- NPI registered
- March 2019 — 7 yrs on file
- Profile last updated
- March 7, 2022
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- California #PA56556
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1881153187. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
124
Distinct HCPCS
2
Medicare allowed
$15,892
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 80 | 77 | $111 | |
99285 |
Emergency department visit with high level of medical decision making | 44 | 44 | $160 |
In context: peer comparison
Among 14 peers in Walnut Creek Physician Assistant, average services per provider: 154. This provider delivers 0.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
50
Patients
50
Total drug cost
$373
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ondansetron Odt (Ondansetron) | Brand | 22 | 22 | $158 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 15 | 15 | $113 |
| Cephalexin | Generic | 13 | 13 | $101 |
Frequently asked questions
What is Dr. Benjamin Lopez's medical specialty?
Dr. Benjamin Lopez practices Physician Assistant in Walnut Creek, CA.
Where does Dr. Benjamin Lopez practice?
Dr. Benjamin Lopez practices at 1601 Ygnacio Valley RD, Walnut Creek, CA 945983122. Office phone: 9253955800.
What is Dr. Benjamin Lopez's NPI?
Dr. Benjamin Lopez's National Provider Identifier (NPI) is 1881153187, issued by NPPES.
Does Dr. Benjamin Lopez accept Medicare assignment?
Yes. Dr. Benjamin Lopez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Benjamin Lopez commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.