Arthur Louis Lenahan III, MD MPH

Primary specialty

Ph.D. Medical Genetics PhysicianTaxonomy code 207SG0205X

License

MD220000 Issued in OR

Practice address

501 N Graham St Ste 330B
Portland, OR 97227-2009

Phone

(503) 944-5970

NPI assigned

Apr 2, 2020

Last updated

Feb 14, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

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: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Medical Genetics and Genomics

Education

Oregon Health Sciences University School of Medicine, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Legacy Emanuel Hospital and Health CenterGroup PAC ID 4587573639, 235 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• WA PPO C-SNP
• devoted network organization-83621310-88c0-4660-8f8d-b8ea8f4dc04e

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.

• Legacy Emanuel Hospital & Health Center

  • General Acute Care Hospital
  • Portland, OR
  • NPI 1831112358
  Medicare reassignment Care Compare group NPD
• Legacy Good Samaritan Hospital and Medical Center

  • General Acute Care Hospital
  • Portland, OR
  • NPI 1780608216
  Medicare reassignment NPD
• Legacy Emanuel Hospital & Health Center

  dba Apothecary at Emanuel Hospital

  • Community/Retail Pharmacy
  • Portland, OR
  • NPI 1417977976
  NPD
• Legacy Emanuel Hospital & Health Center

  • Clinic/Center
  • Portland, OR
  • NPI 1700809027
  NPD
• Legacy Good Samaritan Hospital and Medical Center

  • Community/Retail Pharmacy
  • Portland, OR
  • NPI 1609896174
  NPD

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

{
    "created_epoch": "1585785600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1739491200000",
    "number": "1023647062",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 4399",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972084399"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "501 N GRAHAM ST STE 330B",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972272009",
            "telephone_number": "503-944-5970"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1040 NW 22nd Ave Ste Ll030",
            "address_purpose": "LOCATION",
            "city": "Portland",
            "state": "OR",
            "postal_code": "972103057",
            "country_code": "US",
            "telephone_number": "503-413-7702",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4800 Sand Point Way NE # Oc.7830",
            "address_purpose": "LOCATION",
            "city": "Seattle",
            "state": "WA",
            "postal_code": "981053901",
            "country_code": "US",
            "telephone_number": "206-987-2000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2801 N Gantenbein Ave Fl 3",
            "address_purpose": "LOCATION",
            "city": "Portland",
            "state": "OR",
            "postal_code": "972271623",
            "country_code": "US",
            "telephone_number": "503-276-9300",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LENAHAN",
        "first_name": "ARTHUR",
        "middle_name": "LOUIS",
        "name_suffix": "III",
        "credential": "MD MPH",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-04-02",
        "last_updated": "2025-02-14",
        "certification_date": "2025-02-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207SG0205X",
            "taxonomy_group": "",
            "desc": "Medical Genetics, Ph.D. Medical Genetics",
            "state": "OR",
            "license": "MD220000",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lemonegg Electrology LLC
• Curt B Lemrick, D.M.D.
• Annet Lems, PT
• Oscar Lemus Arellano
• Kathryn A Len Wai, LMT
• Janine Lenartz, NURSE PRACTIONER
• Qian Leng, MD
• Candice Lengyel, M.D.
• Abigail Ames Lenhart, M.D.
• Christopher Leniger

• Ph.D. Medical Genetics Physician in Portland, OR
• Providers in Portland, OR by specialty
• Ph.D. Medical Genetics Physician in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 14, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.