NPIMap

Individual provider Active NPI

Nathan Joseph Paulson, MD

  • Anatomic Pathology & Clinical Pathology Physician
  • Portland, OR
National Provider Identifier
1518494517
Registry record updated May 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anatomic Pathology & Clinical Pathology PhysicianTaxonomy code 207ZP0102X
License
MD209227 Issued in OR
Practice address
4400 NE Halsey St
Portland, OR 97213-1545
Phone
(503) 893-7777
NPI assigned
May 22, 2017
Last updated
May 7, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 7, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X MD209227 OR Primary

Addresses

Primary practice location

4400 NE Halsey St
Portland, OR 97213-1545

Mailing address

4400 NE Halsey St
Department of Pathology
Portland, OR 97213-1545
Phone (503) 893-7777

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
I20220620000449 OR Practitioner - Pathology 1759625767 Reassigns benefits to 8 organizations

Care Compare profile

Medicare Care Compare
Specialty
Pathology
Education
Jefferson Medical College of Thomas Jefferson University, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

1001 N Providence Dr
Newberg, OR 97132-7485
Phone (503) 537-1555

10150 SE 32ND Ave
Milwaukie, OR 97222-6516
Phone (503) 513-8300

1500 Division St
Oregon City, OR 97045-1527
Phone (503) 656-1631

4805 NE Glisan St
Portland, OR 97213-2933
Phone (503) 215-1111

9205 SW Barnes Rd
Portland, OR 97225-6603
Phone (503) 216-2213

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
89.44 of 100Reported as group
Quality
87
Promoting interoperability
100
Improvement activities
40
Cost
73.18

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as group
Quality
100
Promoting interoperability
100
Improvement activities
40
Cost
96.73

Merit-based Incentive Payment System (MIPS)

Final score
96.05 of 100Reported as group
Quality
96.63
Promoting interoperability
100
Improvement activities
40
Cost
79.14

Merit-based Incentive Payment System (MIPS)

Final score
91.69 of 100Reported as group
Quality
84.88
Promoting interoperability
100
Improvement activities
40

Merit-based Incentive Payment System (MIPS)

Final score
95.53 of 100Reported as group
Quality
96.2
Promoting interoperability
100
Improvement activities
40
Cost
84.49

Merit-based Incentive Payment System (MIPS)

Final score
94.39 of 100Reported as group
Quality
83
Promoting interoperability
100
Improvement activities
40
Cost
89.32

Merit-based Incentive Payment System (MIPS)

Final score
95 of 100Reported as group
Quality
83.34
Promoting interoperability
100
Improvement activities
40
Cost
100

Merit-based Incentive Payment System (MIPS)

Final score
95.65 of 100Reported as group
Quality
98.12
Promoting interoperability
100
Improvement activities
40
Cost
80.38

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD209227ORMDAnatomic Pathology & Clinical Pathology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Providence Health & Services - Oregon CurrentSince Aug 19, 2022 Accepting new patients
Providence Health & Services - Oregon Anatomic Pathology & Clinical Pathology CurrentSince Jul 25, 2022 Accepting new patients
Providence Health & Services - Oregon Current Accepting new patients
Providence Health & Services - Oregon Anatomic Pathology & Clinical Pathology Current Accepting new patients
Providence Health & Services - Oregon CurrentSince Aug 29, 2022 Accepting new patients
Providence Health & Services - Oregon CurrentSince Aug 19, 2022 Accepting new patients
Providence Health & Services Oregon Anatomic Pathology & Clinical Pathology CurrentSince Aug 29, 2022 Accepting new patients
Providence Health & Services Oregon CurrentSince Jul 25, 2022 Accepting new patients
Providence Health & Services Oregon CurrentSince Aug 29, 2022 Accepting new patients
Providence Health & Services - Oregon CurrentSince Jul 25, 2022 Accepting new patients
Providence Health & Services - Oregon Anatomic Pathology & Clinical Pathology CurrentSince Aug 19, 2022 Accepting new patients
Providence Health & Services - Oregon Anatomic Pathology & Clinical Pathology Current Accepting new patients

Locations

200 S Hazel Dell Way
Ste 210
Canby, OR 97013
Phone (503) 263-9550

1111 Crater Lake Ave
Medford, OR 97504
Phone (541) 732-5250

1001 N Providence Dr
Newberg, OR 97132
Phone (503) 216-1538

1500 Division St
Oregon City, OR 97045
Phone (503) 646-1631

10150 SE 32nd Ave
Portland, OR 97222
Phone (503) 215-4202

4805 NE Glisan St
Portland, OR 97213
Phone (503) 215-1111

9205 SW Barnes Rd
Portland, OR 97225
Phone (503) 216-1234

Organizations & group practices 14

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.

View all 14

Hospital & facility affiliations 7

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": "1495411200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778112000000",
    "number": "1518494517",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4400 NE HALSEY ST",
            "address_2": "DEPARTMENT OF PATHOLOGY",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972131545",
            "telephone_number": "503-893-7777"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4400 NE HALSEY ST",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972131545",
            "telephone_number": "503-893-7777"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PAULSON",
        "first_name": "NATHAN",
        "middle_name": "JOSEPH",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-05-22",
        "last_updated": "2026-05-07",
        "certification_date": "2026-05-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "OR",
            "license": "MD209227",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Portland, OR

Sources for this page

Verify at the official NPI Registry.