Doctor profile · Federal record

Dr. Sunny Diffang, CRNP

Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Randallstown, MD

  • NPI 1407480817
  • Accepts Medicare
  • 7 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3523 Corn Stream RD
Randallstown, MD 211332442
(410) 528-3866

Credentials & registration

NPPES · NUCC
NPI registered
February 2020 — 6 yrs on file
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State license (1)
Maryland #R202090

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407480817. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$544
Transactions
15
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Teva Pharmaceuticals USA, Inc. 7 $244.50
Janssen Pharmaceuticals, Inc 2 $162.66
Otsuka America Pharmaceutical, Inc. 3 $75.01
Alkermes, Inc. 2 $43.79
Neurocrine Biosciences, Inc. 1 $17.95

By nature of payment

Food and Beverage
$544

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
475
Patients
12
Total drug cost
$424,644
Drug Type Claims Patients Total cost
Benztropine Mesylate Generic 75 12 $808
Quetiapine Fumarate Generic 50 0 $851
Trazodone Hcl Generic 47 0 $724
Escitalopram Oxalate Generic 37 0 $489
Haloperidol Generic 36 0 $1,189
Sertraline Hcl Generic 34 0 $438
Abilify Maintena (Aripiprazole) Brand 31 0 $87,997
Invega Sustenna (Paliperidone Palmitate) Brand 27 0 $94,222
Amantadine (Amantadine Hcl) Brand 25 0 $1,664
Invega Trinza (Paliperidone Palmitate) Brand 25 0 $230,652

Frequently asked questions

Auto-generated from federal data
What is Dr. Sunny Diffang's medical specialty?
Dr. Sunny Diffang practices Psychiatric/Mental Health Nurse Practitioner in Randallstown, MD.
Where does Dr. Sunny Diffang practice?
Dr. Sunny Diffang practices at 3523 Corn Stream RD, Randallstown, MD 211332442. Office phone: 4105283866.
What is Dr. Sunny Diffang's NPI?
Dr. Sunny Diffang's National Provider Identifier (NPI) is 1407480817, issued by NPPES.
Does Dr. Sunny Diffang accept Medicare assignment?
Yes. Dr. Sunny Diffang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.