Individual provider Active NPI

Felix Iyinbor Osawaru, PMHNP

  • Psychiatric/Mental Health Nurse Practitioner
  • Buffalo, NY
National Provider Identifier
1083229538
Registry record updated Dec 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X
License
403048 Issued in NY
Practice address
505 Ellicott St Unit 337
Buffalo, NY 14203-1547
Phone
(480) 803-1066
NPI assigned
Sep 11, 2020
Last updated
Dec 9, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 9, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatric/Mental Health Nurse Practitioner 363LP0808X 403048 NY Primary

Addresses

Primary practice location

505 Ellicott St Unit 337
Buffalo, NY 14203-1547

Mailing address

5654 W Bell Rd Ste C
Glendale, AZ 85308-3882
Phone (480) 803-1066

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, AZ2 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

Enrollment IDStateProvider typePAC IDDetails
I20201130002917 NY Practitioner - Nurse Practitioner 7214348010 Reassigns benefits to 1 organization
I20250407003242 AZ Practitioner - Nurse Practitioner 7214348010 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Citizen Advocates, IncGroup PAC ID 0648241976, 50 clinicians

Practice addresses (Care Compare)

31 6TH St
Malone, NY 12953-1246
Phone (518) 483-1251

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
403048NYMDPsychiatric/Mental Health Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Vivabest Psychiatry PLLC Psychiatric/Mental Health CurrentSince Jan 25, 2025 Accepting new patients
Citizen Advocates, Inc CurrentSince Aug 14, 2022 Accepting new patients
Citizen Advocates, Inc CurrentSince Jul 5, 2022 Accepting new patients

Locations

5654 W Bell Rd
Ste C
Glendale, AZ 85308
Phone (480) 803-1066

125 Finney Blvd
Malone, NY 12953
Phone (518) 481-8160

15 Francis St
Malone, NY 12953
Phone (518) 483-7801

31 6th St
Malone, NY 12953
Phone (518) 483-8980

16 Phillips St
Massena, NY 13662
Phone (315) 764-8076

1003 Park St
Ogdensburg, NY 13669
Phone (315) 713-9090

650 State St
Watertown, NY 13601
Phone (315) 755-1251

Organizations & group practices 3

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.

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1599782400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765238400000",
    "number": "1083229538",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5654 W BELL RD STE C",
            "city": "GLENDALE",
            "state": "AZ",
            "postal_code": "853083882",
            "telephone_number": "480-803-1066"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "505 ELLICOTT ST UNIT 337",
            "city": "BUFFALO",
            "state": "NY",
            "postal_code": "142031547",
            "telephone_number": "480-803-1066"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OSAWARU",
        "first_name": "FELIX",
        "middle_name": "IYINBOR",
        "credential": "PMHNP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-09-11",
        "last_updated": "2025-12-09",
        "certification_date": "2025-12-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "NY",
            "license": "403048",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Buffalo, NY

Sources for this page

Verify at the official NPI Registry.