Doctor profile · Federal record

Dr. Diana Mata, D.O.

Psychiatry Physician (CMS: Psychiatry) · Psychiatry Physician · Psychiatry Physician · Rockville, MD

  • NPI 1821354242
  • Accepts Medicare
  • 14 yrs in practice
  • Licensed in 3 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
15000 Broschart RD
Rockville, MD 208503303
(301) 251-6900
Additional location
3800 Reservoir RD Nw, Department of Psychiatry
Washington, DC 200072113
(202) 944-5400
fax (202) 944-5402
Additional location
8119 Holland RD
Alexandria, VA 223063135
(703) 360-6910
Mailing address
8119 Holland Road, Fairfax-Falls Church Community Services Board
Alexandria, VA 22306

Credentials & registration

NPPES · NUCC
NPI registered
April 2012 — 14 yrs on file
Profile last updated
July 21, 2022
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State licenses (3)
Maryland #H79834 · Virginia #0102204830 · District of Columbia #DO034523

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821354242. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$109
Transactions
5
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, INC 3 $56.33
Teva Pharmaceuticals USA, INC. 1 $37.91
Abbvie INC. 1 $15.14

By nature of payment

Food and Beverage
$109

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
526
Patients
0
Total drug cost
$24,629
Drug Type Claims Patients Total cost
Quetiapine Fumarate Generic 101 0 $2,575
Trazodone Hcl Generic 58 0 $611
Divalproex Sodium ER (Divalproex Sodium) Brand 37 0 $2,990
Divalproex Sodium Generic 33 0 $1,477
Venlafaxine Hcl ER (Venlafaxine Hcl) Brand 32 0 $847
Benztropine Mesylate Generic 30 0 $516
Aripiprazole Generic 29 0 $8,771
Haloperidol Generic 28 0 $820
Lamotrigine Generic 28 0 $361
Clonazepam Generic 27 0 $277

Frequently asked questions

Auto-generated from federal data
What is Dr. Diana Mata's medical specialty?
Dr. Diana Mata practices Psychiatry Physician in Rockville, MD.
Where does Dr. Diana Mata practice?
Dr. Diana Mata practices at 15000 Broschart RD, Rockville, MD 208503303. Office phone: 3012516900.
What is Dr. Diana Mata's NPI?
Dr. Diana Mata's National Provider Identifier (NPI) is 1821354242, issued by NPPES.
Does Dr. Diana Mata accept Medicare assignment?
Yes. Dr. Diana Mata accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.