NPIMap

Individual provider Active NPI

Herrick Keahi Mookini Horowitz, MD

  • Emergency Medicine Physician
  • Portland, OR
National Provider Identifier
1356802839
Registry record updated Apr 16, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
MD214596 Issued in OR
Practice address
3181 SW Sam Jackson Park Rd
Portland, OR 97239-3011
Phone
(503) 494-7551
Fax
(503) 494-4997
NPI assigned
Mar 27, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 16, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Emergency Medicine Physician 207P00000X MD214596 OR Primary

Addresses

Primary practice location

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

Mailing address

3181 SW Sam Jackson Park Rd
Portland, OR 97239-3011
Phone (503) 494-7551

Other names 1

  • Herrick Keahi Mookini Horowitz Other name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OR
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20230804003607 OR Practitioner - Emergency Medicine 9133580210 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
University of Hawaii John a. Burns School of Medicine, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

2801 N Gantenbein Ave
Portland, OR 97227-1623
Phone (503) 413-2200

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
99.11 of 100Reported as apm
Quality
84.29
Promoting interoperability
100
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Northwest Acute Care Specialists PC Emergency Medicine CurrentSince Jul 1, 2025 Accepting new patients
University Professional Services Current Accepting new patients
Northwest Acute Care Specialists PC Emergency Medicine CurrentSince Jul 1, 2025 Accepting new patients
University Professional Services CurrentSince Jul 1, 2023 Accepting new patients
University Professional Services CurrentSince Jul 1, 2023 Accepting new patients

Locations

15700 SW Greystone Ct
Beaverton, OR 97006
Phone (503) 203-1000

24800 SE Stark St
Gresham, OR 97030
Phone (503) 413-8407

1015 NW 22nd Ave
Portland, OR 97210
Phone (503) 413-7582

2801 N Gantenbein Ave
Portland, OR 97227
Phone (503) 413-2200

3181 SW Sam Jackson Park Rd
Portland, OR 97239
Phone (503) 494-5674

19300 SW 65th Ave
Tualatin, OR 97062
Phone (503) 692-1212

Interoperability endpoints

  • Direct secure messaging: hmookinihorowitz81652@direct.ohsu.edu

Organizations & group practices 5

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.

Hospital & facility affiliations 4

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": "1553644800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744761600000",
    "number": "1356802839",
    "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": "503-494-7551",
            "fax_number": "503-494-4997"
        },
        {
            "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": "503-494-7551",
            "fax_number": "503-494-4997"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MOOKINI HOROWITZ",
        "first_name": "HERRICK KEAHI",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-27",
        "last_updated": "2025-04-16",
        "certification_date": "2025-04-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "OR",
            "license": "MD214596",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "HERRICK KEAHI",
            "last_name": "HOROWITZ",
            "middle_name": "MOOKINI",
            "credential": "MD",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Portland, OR

Sources for this page

Verify at the official NPI Registry.