Doctor profile · Federal record
Dr. Monica Maria Diaz, PA-C
Physician Assistant · Oakland, CA
- NPI 1790488302
- Accepts Medicare
- 4 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3100 Telegraph Ave
Oakland, CA 946093239
(800) 607-6377 - Mailing address
-
931 Eleanor Ave
Sacramento, CA 958151725
Credentials & registration
- NPI registered
- March 2023 — 3 yrs on file
- Year of graduation
- 2022 — 4 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- California #62516
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1790488302. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
120
Distinct HCPCS
4
Medicare allowed
$8,338
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 62 | 46 | $114 | |
96127 |
Assessment of emotional or behavioral problems | 35 | 30 | $5 | |
G0008 |
Administration of influenza virus vaccine | 12 | 12 | $27 | |
90662 |
Influenza vaccine split virus, preservative free | 11 | 11 | $72 |
In context: peer comparison
Among 22 peers in Oakland Physician Assistant, average services per provider: 44. This provider delivers 2.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
370
Patients
174
Total drug cost
$14,536
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 50 | 26 | $884 |
| Atorvastatin Calcium | Generic | 48 | 37 | $555 |
| Lisinopril | Generic | 39 | 23 | $337 |
| Amlodipine Besylate | Generic | 31 | 21 | $247 |
| Hydrochlorothiazide | Generic | 30 | 22 | $138 |
| Losartan Potassium | Generic | 30 | 21 | $342 |
| Gabapentin | Generic | 23 | 0 | $446 |
| Trazodone Hcl | Generic | 22 | 0 | $189 |
| Estradiol | Generic | 18 | 0 | $830 |
| Alprazolam | Generic | 15 | 0 | $79 |
Frequently asked questions
What is Dr. Monica Maria Diaz's medical specialty?
Dr. Monica Maria Diaz practices Physician Assistant in Oakland, CA.
Where does Dr. Monica Maria Diaz practice?
Dr. Monica Maria Diaz practices at 3100 Telegraph Ave, Oakland, CA 946093239. Office phone: 8006076377.
What is Dr. Monica Maria Diaz's NPI?
Dr. Monica Maria Diaz's National Provider Identifier (NPI) is 1790488302, issued by NPPES.
Does Dr. Monica Maria Diaz accept Medicare assignment?
Yes. Dr. Monica Maria Diaz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Monica Maria Diaz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Assessment of emotional or behavioral problems (HCPCS 96127); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.