Doctor profile · Federal record

Dr. Oluwatoyin Ottun, DNP, FNP-C, PMHNP-BC

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

  • NPI 1790171296
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
810 Bestgate RD Ste 325
Annapolis, MD 214014291
(443) 906-3506
Mailing address
2528 Mountain RD Ste 204
Pasadena, MD 211227204

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
February 13, 2026
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State license (1)
Maryland #R188050

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790171296. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$682
Transactions
39
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 18 $226.88
Harmony Biosciences LLC 2 $72.95
Supernus Pharmaceuticals, INC. 4 $66.18
Lundbeck LLC 3 $62.97
Vanda Pharmaceuticals INC. 2 $53.93
Otsuka America Pharmaceutical, INC. 2 $50.78
Indivior INC. 2 $38.50
Braeburn INC. 2 $31.70
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 1 $31.29
Teva Pharmaceuticals USA, INC. 1 $17.30
Neurocrine Biosciences, INC. 1 $15.29
Alkermes, INC. 1 $13.80

By nature of payment

Food and Beverage
$682

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
184
Patients
30
Total drug cost
$3,882
Drug Type Claims Patients Total cost
Gabapentin Generic 32 18 $671
Sertraline Hcl Generic 20 0 $182
Clonazepam Generic 16 0 $201
Buspirone Hcl Generic 15 0 $423
Quetiapine Fumarate Generic 15 0 $614
Diclofenac Sodium Generic 14 0 $617
Hydroxyzine Hcl Generic 13 0 $164
Trazodone Hcl Generic 13 0 $189
Cyclobenzaprine Hcl Generic 12 0 $114
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 12 12 $387

Frequently asked questions

Auto-generated from federal data
What is Dr. Oluwatoyin Ottun's medical specialty?
Dr. Oluwatoyin Ottun practices Psychiatric/Mental Health Nurse Practitioner in Annapolis, MD.
Where does Dr. Oluwatoyin Ottun practice?
Dr. Oluwatoyin Ottun practices at 810 Bestgate RD Ste 325, Annapolis, MD 214014291. Office phone: 4439063506.
What is Dr. Oluwatoyin Ottun's NPI?
Dr. Oluwatoyin Ottun's National Provider Identifier (NPI) is 1790171296, issued by NPPES.
Does Dr. Oluwatoyin Ottun accept Medicare assignment?
Dr. Oluwatoyin Ottun does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.