Doctor profile · Federal record

Dr. Dianne Fernandez

Gerontology Nurse Practitioner (CMS: Nurse Practitioner) · Duarte, CA

  • NPI 1639636426
  • Accepts Medicare
  • MIPS 91.9 / 100 · 2023
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 Duarte RD
Duarte, CA 910103012
(626) 256-4673
Mailing address
Po Box 512185
Los Angeles, CA 900510185

Credentials & registration

NPPES · NUCC
NPI registered
February 2019 — 7 yrs on file
Profile last updated
December 11, 2020
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363LG0600X — NUCC code
State license (1)
California #NP95012196

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639636426. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$405
Transactions
15
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Celgene Corporation 5 $127.60
Daiichi Sankyo Inc. 2 $60.80
JAZZ PHARMACEUTICALS INC. 2 $59.99
SOBI, INC 1 $35.45
Alexion Pharmaceuticals, Inc. 1 $27.35
Takeda Pharmaceuticals U.S.A., Inc. 1 $25.57
Novartis Pharmaceuticals Corporation 1 $24.15
PFIZER INC. 1 $23.42
Incyte Corporation 1 $20.45

By nature of payment

Food and Beverage
$405

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
156
Patients
110
Total drug cost
$137,636
Drug Type Claims Patients Total cost
Acyclovir Generic 28 17 $661
Levofloxacin Generic 21 19 $283
Allopurinol Generic 19 14 $144
Posaconazole Generic 17 13 $52,977
Venclexta (Venetoclax) Brand 16 11 $82,592
Amlodipine Besylate Generic 15 12 $56
Potassium Chloride Generic 15 11 $705
Ondansetron Hcl Generic 13 13 $125
Pantoprazole Sodium Generic 12 0 $93

Frequently asked questions

Auto-generated from federal data
What is Dr. Dianne Fernandez's medical specialty?
Dr. Dianne Fernandez practices Gerontology Nurse Practitioner in Duarte, CA.
Where does Dr. Dianne Fernandez practice?
Dr. Dianne Fernandez practices at 1500 Duarte RD, Duarte, CA 910103012. Office phone: 6262564673.
What is Dr. Dianne Fernandez's NPI?
Dr. Dianne Fernandez's National Provider Identifier (NPI) is 1639636426, issued by NPPES.
Does Dr. Dianne Fernandez accept Medicare assignment?
Yes. Dr. Dianne Fernandez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.