Oluwatoyin Mary Ottun, DNP, FNP-C, PMHNP-BC

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

R188050 Issued in MD

Practice address

810 Bestgate Rd Ste 325
Annapolis, MD 21401-4291

Phone

(443) 906-3506

NPI assigned

Apr 10, 2015

Last updated

Feb 13, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Other identifiers 1

Other names 1

• Oluwatoyin Adekeye Former name

Medicare fee-for-service enrollment

Enrolled in MD, DC2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 2

Specialty

Nurse Practitioner

Education

Other, 2016

Medicare assignment

May accept Medicare assignment

Telehealth

Offers telehealth services

Group practices

Evolve Life Centers Iop LLCGroup PAC ID 6002291051, 4 clinicians

Arundel Mental Health Professionals LCGroup PAC ID 4981688173, 118 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir.meditouchehr.com/api/fhir/r4/
• Direct secure messaging: lifestancehealth.oluwatoyinottun@149037.advancedmd-direct.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Arundel Mental Health Professionals L.C.

  dba LifeStance Health

  • Clinical Psychologist
  • Arnold, MD
  • NPI 1073649521
  Medicare reassignment Care Compare group NPD
• Evolve Life Centers Iop LLC

  dba ELC Mental Health Services

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Pasadena, MD
  • NPI 1568123966
  Medicare reassignment Care Compare group NPD
• Choice Pain & Rehabilitation Center, LLC

  • Physical Medicine & Rehabilitation Physician
  • Lanham, MD
  • NPI 1568809598
  Medicare reassignment NPD
• Global Pain Management

  • Pain Medicine (Anesthesiology) Physician
  • Pasadena, MD
  • NPI 1922443704
  Medicare reassignment NPD
• Luminis Health Medical Group, LLC

  dba Luminis Health Maternal and Fetal Medicine

  • Maternal & Fetal Medicine Physician
  • Annapolis, MD
  • NPI 1073580205
  Medicare reassignment NPD
• Ritu Bhambhani LLC

  • Specialist
  • Abingdon, MD
  • NPI 1316133457
  Medicare reassignment NPD
• Grow Healthcare Group PA

  • Mental Health Counselor
  • Miami, FL
  • NPI 1245845932

  DC, Psychiatric/Mental Health

  Medicare reassignment NPD
• Arundel Mental Health Professionals LLC

  dba LifeStance Health

  • Clinical Psychologist
  • Annapolis, MD
  • NPI 1649906496
  NPD
• Global Pain Management LLC

  • Durable Medical Equipment & Medical Supplies
  • Pasadena, MD
  • NPI 1073904728
  NPD
• Luminis Health Medical Group, LLC

  dba Annapolis Oncology Center

  • Hematology & Oncology Physician
  • Annapolis, MD
  • NPI 1548595978
  NPD
• Luminis Health Medical Group, LLC

  dba LH Primary Care North Hanson

  • Internal Medicine Physician
  • Bowie, MD
  • NPI 1720835010
  NPD
• Choice Pain & Rehabilitation Center

  • Pain Medicine (Physical Medicine & Rehabilitation) Physician
  • Newark, DE
  • NPI 1053007898
  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1428624000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770940800000",
    "number": "1790171296",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2528 MOUNTAIN RD STE 204",
            "city": "PASADENA",
            "state": "MD",
            "postal_code": "211227204",
            "telephone_number": "443-548-3733"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "810 BESTGATE RD STE 325",
            "city": "ANNAPOLIS",
            "state": "MD",
            "postal_code": "214014291",
            "telephone_number": "443-906-3506"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OTTUN",
        "first_name": "OLUWATOYIN",
        "middle_name": "MARY",
        "name_prefix": "Dr.",
        "credential": "DNP, FNP-C, PMHNP-BC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-04-10",
        "last_updated": "2026-02-13",
        "certification_date": "2026-02-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MD",
            "license": "R188050",
            "primary": false
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "MD",
            "license": "R188050",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MD LICENSE",
            "identifier": "R188050",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "OLUWATOYIN",
            "last_name": "ADEKEYE",
            "credential": "FNP-BC, PMHNP-BC",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Jill Ann Ortiz, M.S.
• Alexandra Therese Osgood Porambo, MD
• Oshea LLC
• Megan R Oswald
• Jessica Oterson
• Hajara Ouattara, MD
• Outreach Recovery II
• Peter Norman Ove, MD
• Annalisa Debacco Overstreet, M.D.
• Katharine Kay Owens, ED.D.

• Psychiatric/Mental Health Nurse Practitioner in Annapolis, MD
• Providers in Annapolis, MD by specialty
• Psychiatric/Mental Health Nurse Practitioner in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.