Doctor profile · Federal record

Dr. Flora Diamreyan, FNP

Nurse Practitioner · Rancho Cucamonga, CA

  • NPI 1477626521
  • Accepts Medicare
  • 21 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8599 Haven Ave Ste 101
Rancho Cucamonga, CA 91730
(909) 466-8888
fax (909) 483-0164
Mailing address
Flora Diamreyan Po Box 475
Etiwanda, CA 91739

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
California #15729

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477626521. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,067
Transactions
85
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Alkermes, INC. 13 $327.13
Otsuka America Pharmaceutical, INC. 14 $260.96
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 10 $251.08
Teva Pharmaceuticals USA, INC. 10 $236.43
Abbvie INC. 9 $223.01
Vanda Pharmaceuticals INC. 8 $202.23
Supernus Pharmaceuticals, INC. 7 $185.26
Indivior INC. 5 $152.87
E.R. Squibb & Sons, L.L.C. 3 $104.43
Axsome Therapeutics, INC. 3 $70.99
Lundbeck LLC 2 $34.16
Janssen Pharmaceuticals, INC 1 $18.32

By nature of payment

Food and Beverage
$2,040
Education
$27

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
207
Patients
0
Total drug cost
$31,722
Drug Type Claims Patients Total cost
Sertraline Hcl Generic 28 0 $121
Lamotrigine Generic 23 0 $127
Trazodone Hcl Generic 19 0 $258
Mirtazapine Generic 18 0 $84
Bupropion Xl (Bupropion Hcl) Brand 17 0 $188
Caplyta (Lumateperone Tosylate) Brand 17 0 $28,120
Hydroxyzine Hcl Generic 17 0 $346
Duloxetine Hcl Generic 15 0 $134
Venlafaxine Hcl ER (Venlafaxine Hcl) Brand 15 0 $1,243
Doxepin Hcl Generic 13 0 $594

Frequently asked questions

Auto-generated from federal data
What is Dr. Flora Diamreyan's medical specialty?
Dr. Flora Diamreyan practices Nurse Practitioner in Rancho Cucamonga, CA.
Where does Dr. Flora Diamreyan practice?
Dr. Flora Diamreyan practices at 8599 Haven Ave Ste 101, Rancho Cucamonga, CA 91730. Office phone: 9094668888.
What is Dr. Flora Diamreyan's NPI?
Dr. Flora Diamreyan's National Provider Identifier (NPI) is 1477626521, issued by NPPES.
Does Dr. Flora Diamreyan accept Medicare assignment?
Yes. Dr. Flora Diamreyan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.