Individual provider Active NPI

Chase Papenfuss, MD

  • Internal Medicine Physician
  • Portland, OR
National Provider Identifier
1104389295
Registry record updated Oct 2, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
MD209728 Issued in OR
Practice address
1015 NW 22ND Ave
Portland, OR 97210-3025
Phone
(503) 413-7036
Fax
(503) 413-7361
NPI assigned
Apr 7, 2019
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 2, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207R00000X MD209728 OR Primary

Addresses

Primary practice location

1015 NW 22ND Ave
Portland, OR 97210-3025

Mailing address

12313 SE Wagner St
Happy Valley, OR 97086-6450
Phone (971) 907-8727

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OR
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 1

Enrollment IDStateProvider typePAC IDDetails
I20220718001855 OR Practitioner - Internal Medicine 2567790231 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Legacy Clinics LLCGroup PAC ID 0244144004, 714 clinicians

Practice addresses (Care Compare)

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

Hospital & facility affiliations

  • Legacy Emanuel Medical Center Hospital, Portland, OR, CCN 380007
  • Legacy Good Samaritan Medical Center Hospital, Portland, OR, CCN 380017

Merit-based Incentive Payment System (MIPS)

Final score
94.62 of 100Reported as apm
Quality
77.21
Promoting interoperability
99.06
Improvement activities
40

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Legacy Emanuel Hospital & Health Center CurrentSince Jul 6, 2022 Accepting new patients
Legacy Emanuel Hospital & Health Center Single Specialty Current Accepting new patients
Legacy Clinics LLC Single Specialty CurrentSince Jul 6, 2022 Accepting new patients
Legacy Clinics LLC CurrentSince Jul 6, 2022 Accepting new patients
Legacy Emanuel Hospital & Health Center Single Specialty CurrentSince Jul 6, 2022 Accepting new patients

Locations

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

2800 N Vancouver Ave
Ste 230
Portland, OR 97227
Phone (503) 413-2901

1919 NW Lovejoy St
Portland, OR 97209
Phone (503) 415-5600

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

1130 NW 22nd Ave
Ste 220
Portland, OR 97210
Phone (503) 413-4134

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 6

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": "1554595200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759363200000",
    "number": "1104389295",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12313 SE WAGNER ST",
            "city": "HAPPY VALLEY",
            "state": "OR",
            "postal_code": "970866450",
            "telephone_number": "971-907-8727"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1015 NW 22ND AVE",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972103025",
            "telephone_number": "503-413-7036",
            "fax_number": "503-413-7361"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PAPENFUSS",
        "first_name": "CHASE",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2019-04-07",
        "last_updated": "2025-10-02",
        "certification_date": "2025-10-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine",
            "state": "OR",
            "license": "MD209728",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Portland, OR

Sources for this page

Verify at the official NPI Registry.