Erika Susan Phelps Nishiguchi, MD

Primary specialty

Developmental - Behavioral Pediatrics PhysicianTaxonomy code 2080P0006X

License

MD226811 Issued in OR

Practice address

3181 SW Sam Jackson Park Rd
Portland, OR 97239-3011

Phone

(800) 452-3563

Fax

(503) 494-4447

NPI assigned

Apr 1, 2015

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in HI, OR2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Specialty

Pediatric Medicine

Education

Michigan State University College of Human Medicine, 2015

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ephelpsnishiguchi37140@direct.seattlechildrens.org
• Direct secure messaging: enishiguchi202281@direct.ohsu.edu

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.

• University Professional Services

  • General Practice Physician
  • Portland, OR
  • NPI 1376709535
  Medicare reassignment NPD
• Kapiolani Medical Specialists

  • Multi-Specialty Clinic/Center
  • Honolulu, HI
  • NPI 1124071014
  Medicare reassignment NPD
• University Professional Services

  • Pharmacy
  • Beaverton, OR
  • NPI 1073054714
  NPD
• University Professional Services

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Portland, OR
  • NPI 1316354970
  NPD
• University Professional Services

  • Pediatrics Physician
  • Medford, OR
  • NPI 1225282122
  NPD (past)

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

{
    "created_epoch": "1427846400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762732800000",
    "number": "1679968242",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3181 SW SAM JACKSON PARK RD",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972393011",
            "telephone_number": "800-452-3563",
            "fax_number": "503-494-4447"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3181 SW SAM JACKSON PARK RD",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972393011",
            "telephone_number": "800-452-3563",
            "fax_number": "503-494-4447"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "707 SW Gaines St",
            "address_2": "MAIL CODE: CDRC",
            "address_purpose": "LOCATION",
            "city": "Portland",
            "state": "OR",
            "postal_code": "972392901",
            "country_code": "US",
            "telephone_number": "503-346-0640",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PHELPS NISHIGUCHI",
        "first_name": "ERIKA",
        "middle_name": "SUSAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-04-01",
        "last_updated": "2025-11-10",
        "certification_date": "2025-11-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "OR",
            "license": "MD226811",
            "primary": false
        },
        {
            "code": "2080P0006X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Developmental - Behavioral Pediatrics",
            "state": "HI",
            "license": "MD22966",
            "primary": false
        },
        {
            "code": "2080P0006X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Developmental - Behavioral Pediatrics",
            "state": "OR",
            "license": "MD226811",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Pharmacy Dot Com 82ND
• Matthew Pharris
• Erin Ella Phelan, LMT
• Linda Ann Phelan, RD,CSR,LD
• Pamela J Phelan, PAC
• Alicia Aileen Phelps, LCSW
• Andrew Phelps
• Carolyn M Phelps, MD
• Jasmine Phelps, LMT
• Mackenzie Phelps

• Developmental - Behavioral Pediatrics Physician in Portland, OR
• Providers in Portland, OR by specialty
• Developmental - Behavioral Pediatrics Physician in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 10, 2025; 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.