Doctor profile · Federal record

Dr. Diane Oran, PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Registered Nurse · Child & Adolescent Psychiatric/Mental Health Registered Nurse · Psychiatric/Mental Health Registered Nurse · Vacaville, CA

  • NPI 1326171638
  • Accepts Medicare
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
770 Mason St
Vacaville, CA 956884646
(855) 501-1004
fax (707) 451-2324
Mailing address
3835 N Freeway Blvd Ste 100
Sacramento, CA 958341954

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
June 17, 2025
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State licenses (4)
California #21782 · California #352302 · California #2705 · California #424

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326171638. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$745
Transactions
18
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, INC 8 $544.42
Neurocrine Biosciences, INC. 2 $52.00
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 2 $36.28
Teva Pharmaceuticals USA, INC. 2 $34.35
Lundbeck LLC 2 $31.60
E.R. Squibb & Sons, L.L.C. 1 $25.29
Otsuka America Pharmaceutical, INC. 1 $21.39

By nature of payment

Food and Beverage
$745

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,444
Patients
135
Total drug cost
$256,207
Drug Type Claims Patients Total cost
Sertraline Hcl Generic 196 19 $2,434
Quetiapine Fumarate Generic 130 14 $3,140
Trazodone Hcl Generic 119 19 $1,337
Benztropine Mesylate Generic 114 12 $1,281
Gabapentin Generic 99 15 $1,515
Prazosin Hcl Generic 97 0 $1,767
Hydroxyzine Pamoate Generic 90 15 $885
Aripiprazole Generic 87 16 $19,816
Lamotrigine Generic 84 0 $651
Risperidone Generic 82 13 $1,249

Frequently asked questions

Auto-generated from federal data
What is Dr. Diane Oran's medical specialty?
Dr. Diane Oran practices Psychiatric/Mental Health Nurse Practitioner in Vacaville, CA.
Where does Dr. Diane Oran practice?
Dr. Diane Oran practices at 770 Mason St, Vacaville, CA 956884646. Office phone: 8555011004.
What is Dr. Diane Oran's NPI?
Dr. Diane Oran's National Provider Identifier (NPI) is 1326171638, issued by NPPES.
Does Dr. Diane Oran accept Medicare assignment?
Yes. Dr. Diane Oran accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.