Oluwatoyin Ottun, DNP, FNP-C, PMHNP-BC
NPI 1790171296 · Psychiatric/Mental Health Nurse Practitioner · Annapolis, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Oluwatoyin Ottun, DNP, FNP-C, PMHNP-BC is a Psychiatric/Mental Health Nurse Practitioner provider in Annapolis, MD (NPI 1790171296).
Provider details
- NPI number
- 1790171296
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP, FNP-C, PMHNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- R188050 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
11 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluoxetine Hcl | 33 | — |
| Sertraline Hcl | 31 | — |
| Trazodone Hcl | 27 | — |
| Lamotrigine | 27 | — |
| Clonazepam | 26 | — |
| Buprenorphinebrand: Sublocade | 26 | — |
| Hydroxyzine Hcl | 18 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$682 across 39 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-04-10
- Last updated
- 2026-02-13
- Certified
- 2026-02-13
Frequently asked questions
- What is Oluwatoyin Ottun's NPI number?
- Oluwatoyin Ottun's National Provider Identifier (NPI) is 1790171296, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Oluwatoyin Ottun's specialty?
- Oluwatoyin Ottun is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Oluwatoyin Ottun located?
- Oluwatoyin Ottun's practice location on file with NPPES is 810 Bestgate Rd Ste 325, Annapolis, MD 21401-4291.
- What is Oluwatoyin Ottun's phone number?
- The practice phone number listed in the NPPES registry for Oluwatoyin Ottun is (443) 906-3506.
- Does Oluwatoyin Ottun accept Medicare?
- Oluwatoyin Ottun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Oluwatoyin Ottun's NPI active?
- Yes — Oluwatoyin Ottun's NPI (1790171296) is active in the NPPES registry as of the last update on 2026-02-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.