Doctor profile · Federal record
Dr. MICHAEL DUFFY, PA
Physician Assistant · OAKLAND, CA
- NPI 1801839188
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3315 BROADWAY
OAKLAND, CA 946115717
(510) 486-2300
fax (510) 486-2333 - Mailing address
-
200 PORTER DR STE 215
SAN RAMON, CA 945831524
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- July 21, 2022
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- California #PA11368
- Medicaid
- NY #37623171
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1801839188. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
154
Distinct HCPCS
6
Medicare allowed
$7,929
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
83036 |
Hemoglobin a1c level | 55 | 40 | $10 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 31 | 31 | $102 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 23 | 20 | $83 | |
85018 |
Blood count, hemoglobin | 19 | 12 | $2 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 15 | 15 | $151 | |
81003 |
Automated urinalysis test | 11 | 11 | $2 |
In context: peer comparison
Among 22 peers in this city , average services per provider: 44. This provider delivers 3.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,532
Patients
429
Total drug cost
$71,995
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 198 | 63 | $2,575 |
| Lisinopril | Generic | 193 | 50 | $2,194 |
| Levothyroxine Sodium | Generic | 169 | 48 | $3,879 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 129 | 31 | $3,311 |
| Omeprazole | Generic | 125 | 36 | $2,140 |
| Gabapentin | Generic | 116 | 28 | $3,414 |
| Metformin Hcl | Generic | 110 | 31 | $1,350 |
| Simvastatin | Generic | 85 | 27 | $1,090 |
| Losartan Potassium | Generic | 74 | 26 | $1,439 |
| Amlodipine Besylate | Generic | 71 | 22 | $1,047 |