Mildred Ochiso Otsieno

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

RN272235 Issued in MA

Practice address

52 Oak St
Middleboro, MA 02346-2078

Phone

(508) 923-5300

NPI assigned

Oct 18, 2025

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in MA

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 1

Specialty

Nurse Practitioner

Education

Other, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

The McLean Hospital CorporationGroup PAC ID 9436040961, 186 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

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

• The McLean Hospital Corporation

  • Psychiatry Physician
  • Belmont, MA
  • NPI 1114979580
  Medicare reassignment Care Compare group

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

{
    "created_epoch": "1760745600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786406400000",
    "number": "1649147380",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "960 MASSACHUSETTS AVE STE 2",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021182690"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "52 OAK ST",
            "city": "MIDDLEBORO",
            "state": "MA",
            "postal_code": "023462078",
            "telephone_number": "508-923-5300"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "235 N Pearl St",
            "address_purpose": "LOCATION",
            "city": "Brockton",
            "state": "MA",
            "postal_code": "023011794",
            "country_code": "US",
            "telephone_number": "508-427-3000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "736 Cambridge St",
            "address_purpose": "LOCATION",
            "city": "Brighton",
            "state": "MA",
            "postal_code": "021352907",
            "country_code": "US",
            "telephone_number": "617-789-2102",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OTSIENO",
        "first_name": "MILDRED",
        "middle_name": "OCHISO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-10-18",
        "last_updated": "2026-08-11",
        "certification_date": "2026-08-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "MA",
            "license": "RN272235",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Peter Obrien
• William Charles Olcott
• Old Rochester Regional School District
• Maggie Marie Oliveira, LICSW
• Orthodontic Specialists of Southeastern Ma
• Danielle Elizabeth Paquin, OTR/L
• Michael Parent, COTA
• Dawn Lorraine Parks, CADAC II, LMHC
• Darrelyn Lee Paskavitz, MSW LICSW
• Patrick Weintraub LMHC, Inc

• Psychiatric/Mental Health Nurse Practitioner in Middleboro, MA
• Providers in Middleboro, MA by specialty
• Psychiatric/Mental Health Nurse Practitioner in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 11, 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.