NPIMap

Individual provider Active NPI

Amber L Hertz-Tang, MD

  • Nephrology Physician
  • Portland, OR
National Provider Identifier
1750700076
Registry record updated Sep 25, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nephrology PhysicianTaxonomy code 207RN0300X
License
MD201408 Issued in OR
Practice address
9155 SW Barnes Rd Ste 402
Portland, OR 97225-6631
Phone
(503) 292-7704
Fax
(503) 292-7046
NPI assigned
Apr 15, 2014
Last updated
Sep 25, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 25, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Nephrology Physician 207RN0300X MD201408 OR Primary
Nephrology Physician 207RN0300X MD61053860 WA

Addresses

Primary practice location

9155 SW Barnes Rd Ste 402
Portland, OR 97225-6631

Mailing address

PO Box 3068
Portland, OR 97208-3068
Phone (503) 229-7976

Other names 1

  • Amber L Hertz Former 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
I20201014003791 OR Practitioner - Nephrology 8224332705 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nephrology
Education
University of Wisconsin School of Medicine, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Northwest Renal Clinic IncGroup PAC ID 8628065836, 39 clinicians

Practice addresses (Care Compare)

9155 SW Barnes Rd
Suite 402
Portland, OR 97225-6631
Phone (503) 292-7704

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD61053860WAMDNephrology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Northwest Renal Clinic, Inc. Nephrology CurrentSince Nov 1, 2020 Accepting new patients
Northwest Renal Clinic, Inc. Nephrology Current Accepting new patients
Northwest Renal Clinic, Inc. Nephrology CurrentSince Nov 1, 2020 Accepting new patients
Northwest Renal Clinic, Inc. Nephrology Past Accepting new patients

Locations

1130 NW 22nd Ave
Ste 640
Portland, OR 97210
Phone (503) 229-7976

9155 SW Barnes Rd
Ste 402
Portland, OR 97225
Phone (503) 292-7704

Interoperability endpoints

  • Direct secure messaging: ahertztang37091@direct.acumenmd.com

Organizations & group practices 4

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 24

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

View all 24

NPI Registry JSON

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

{
    "created_epoch": "1397520000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758758400000",
    "number": "1750700076",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 3068",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972083068",
            "telephone_number": "503-229-7976",
            "fax_number": "503-274-4867"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9155 SW BARNES RD STE 402",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972256631",
            "telephone_number": "503-292-7704",
            "fax_number": "503-292-7046"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HERTZ-TANG",
        "first_name": "AMBER",
        "middle_name": "L",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-04-15",
        "last_updated": "2025-09-25",
        "certification_date": "2025-09-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "OR",
            "license": "MD201408",
            "primary": true
        },
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "WA",
            "license": "MD61053860",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "AMBER",
            "last_name": "HERTZ",
            "middle_name": "L",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Portland, OR

Sources for this page

Verify at the official NPI Registry.