Julianna Olsen, FNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

16001 Issued in CT

Practice address

35 Park St
New Haven, CT 06519-1110

Phone

(914) 366-3400

NPI assigned

May 14, 2025

Sex

Female

Sole proprietor

Yes

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 NY

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, 2024

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Boston Children'S Health Physicians LLPGroup PAC ID 8325937014, 80 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Yale-New Haven Hospital Hospital, New Haven, CT, CCN 070022

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Networks

• Healthfirst Medicare Network H3359
• Healthfirst Medicare Network H5989
• Healthfirst Medicare Network H1722
• Healthfirst Medicare Network H9678

Interoperability endpoints

• Direct secure messaging: julianna.olsen.p1@direct.cwpw.nextgenshare.com
• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/

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.

• Boston Children'S Health Physicians, LLP

  • Pediatrics Physician
  • Hawthorne, NY
  • NPI 1467454967
  Medicare reassignment Care Compare group NPD
• Boston Childrens Health Physicians LLP

  • Clinical Medical Laboratory
  • Sleepy Hollow, NY
  • NPI 1588651079
  NPD

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

• Yale New Haven Hospital

  • General Acute Care Hospital
  • New Haven, CT
  • NPI 1336139500
  Care Compare affiliation
• Yale New Haven Hospital

  • General Acute Care Hospital
  • New Haven, CT
  • NPI 1578778726
  Care Compare affiliation

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

{
    "created_epoch": "1747180800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779840000000",
    "number": "1528859014",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "35 PARK ST",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065191110"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "35 PARK ST",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065191110",
            "telephone_number": "914-366-3400"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OLSEN",
        "first_name": "JULIANNA",
        "credential": "FNP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-05-14",
        "last_updated": "2026-05-27",
        "certification_date": "2026-05-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CT",
            "license": "16001",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Tadeu Carlos Oliveira, MD
• Paul Oliver, PA
• Kathlyn Helen Oliverio, MOT, OTR/L
• Benedicta Olonilua, MD
• Gregory Olsen
• Kristin M Olsen, LADC
• Douglas P Olson, M.D.
• Kristine D Olson, M.D.
• Nancy Dian Olson, M.D.
• Adam David Olszyk, LPC

• Family Nurse Practitioner in New Haven, CT
• Providers in New Haven, CT by specialty
• Family Nurse Practitioner in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 27, 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.