Doctor profile · Federal record
Dr. Molly Diaz, PA-C
Medical Oncology Physician (CMS: Physician Assistant) · Physician Assistant · Oncology Clinical Nurse Specialist · Duarte, CA
- NPI 1558500397
- Accepts Medicare
- MIPS 91.9 / 100 · 2023
- 18 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1500 Duarte RD
Duarte, CA 910103012
(626) 256-4673 - Additional location
-
941 S Atlantic Blvd, Suite 101
Monterey Park, CA 917544722
(626) 458-8401
fax (626) 458-5606 - Mailing address
-
Po Box 512185
Los Angeles, CA 900510185
Credentials & registration
- NPI registered
- February 2009 — 17 yrs on file
- Profile last updated
- December 7, 2020
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 207RX0202X — NUCC code
- State license (1)
- California #PA20108
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1558500397. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
381
Distinct HCPCS
2
Medicare allowed
$48,827
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 328 | 114 | $128 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 53 | 30 | $126 |
In context: peer comparison
Among 16 peers in Duarte Medical Oncology Physician, average services per provider: 239. This provider delivers 1.6× the peer median.Open Payments
Industry payments received
All-time total
$626
Transactions
19
Manufacturers
11
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Deciphera Pharmaceuticals INC. | 4 | $234.52 | |
| Novartis Pharmaceuticals Corporation | 4 | $102.84 | |
| Regeneron Healthcare Solutions, INC. | 2 | $70.36 | |
| Phathom Pharmaceuticals, INC. | 2 | $51.96 | |
| Sobi, INC | 1 | $31.85 | |
| Genentech USA, INC. | 1 | $27.03 | |
| Abbvie INC. | 1 | $26.79 | |
| Tempus Ai, INC | 1 | $22.92 | |
| Jazz Pharmaceuticals INC. | 1 | $22.47 | |
| Daiichi Sankyo INC. | 1 | $19.74 | |
| Alexion Pharmaceuticals, INC. | 1 | $15.98 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
97
Patients
0
Total drug cost
$491,706
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Potassium Chloride | Generic | 18 | 0 | $356 |
| Levetiracetam | Generic | 16 | 0 | $1,623 |
| Votrient (Pazopanib Hcl) | Brand | 16 | 0 | $259,427 |
| Ibrance (Palbociclib) | Brand | 13 | 0 | $229,637 |
| Exemestane | Generic | 12 | 0 | $385 |
| Gabapentin | Generic | 11 | 0 | $162 |
| Ondansetron Hcl | Generic | 11 | 0 | $116 |
Frequently asked questions
What is Dr. Molly Diaz's medical specialty?
Dr. Molly Diaz practices Medical Oncology Physician in Duarte, CA.
Where does Dr. Molly Diaz practice?
Dr. Molly Diaz practices at 1500 Duarte RD, Duarte, CA 910103012. Office phone: 6262564673.
What is Dr. Molly Diaz's NPI?
Dr. Molly Diaz's National Provider Identifier (NPI) is 1558500397, issued by NPPES.
Does Dr. Molly Diaz accept Medicare assignment?
Yes. Dr. Molly Diaz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Molly Diaz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.