Individual provider Active NPI

Abram Robert Thiessen, MD

  • Hematology & Oncology Physician
  • Tacoma, WA
National Provider Identifier
1922029875
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
MD25763 Issued in OR
Practice address
1709 Dock St
Tacoma, WA 98402-3204
Phone
(253) 682-1710
Fax
(253) 682-1714
NPI assigned
Jul 23, 2006
Last updated
Sep 11, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X MD00015129 WA
Internal Medicine Physician 207R00000X MD25763 OR
Hematology & Oncology Physician 207RH0003X MD00015129 WA
Hematology & Oncology Physician 207RH0003X MD25763 OR Primary

Addresses

Primary practice location

1709 Dock St
Tacoma, WA 98402-3204

Mailing address

3008 N Narrows Dr
Unit #B304
Tacoma, WA 98407-1500
Phone (253) 503-6736

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD25763ORMDHematology & Oncology Physician
MD00015129WAMDHematology & Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Peninsula Internal Medicine Associates PS Internal Medicine Past Accepting new patients
Tacoma Hyperbaric Billing, LLC Internal Medicine Past Accepting new patients

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1153612800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1922029875",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3008 N NARROWS DR",
            "address_2": "UNIT #B304",
            "city": "TACOMA",
            "state": "WA",
            "postal_code": "984071500",
            "telephone_number": "253-503-6736",
            "fax_number": "866-899-1609"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1709 DOCK ST",
            "city": "TACOMA",
            "state": "WA",
            "postal_code": "984023204",
            "telephone_number": "253-682-1710",
            "fax_number": "253-682-1714"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THIESSEN",
        "first_name": "ABRAM",
        "middle_name": "ROBERT",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-23",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WA",
            "license": "MD00015129",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OR",
            "license": "MD25763",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "WA",
            "license": "MD00015129",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "OR",
            "license": "MD25763",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Tacoma, WA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.