Lisa Lynn Diepenhorst, MD

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

MD26602 Issued in OR

Practice address

1130 NW 22ND Ave Ste 520
Portland, OR 97210-2976

Phone

(503) 274-4800

Fax

(503) 274-4917

NPI assigned

May 31, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

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

Specialty

Obstetrics/Gynecology

Education

Michigan State University College of Human Medicine, 2002

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Womens Healthcare Associates LLCGroup PAC ID 8527054014, 103 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Women'S Healthcare Associates, LLC

  • Specialist
  • Portland, OR
  • NPI 1346296142
  Medicare reassignment Care Compare group NPD
• Northwest Urology, LLC

  • Specialist
  • Portland, OR
  • NPI 1629461397
  NPD (past)
• Women'S Clinic PC

  • Specialist
  • Portland, OR
  • NPI 1396754560
  NPD (past)

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

• Legacy Good Samaritan Hospital and Medical Center

  • Clinic/Center
  • Portland, OR
  • NPI 1679597108

  Hospital

  Care Compare affiliation
• Legacy Good Samaritan Hospital and Medical Center

  • General Acute Care Hospital
  • Portland, OR
  • NPI 1780608216
  Care Compare affiliation

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

{
    "created_epoch": "1149033600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769558400000",
    "number": "1710924972",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7650 SW BEVELAND RD STE 200",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972238692",
            "telephone_number": "503-601-3615",
            "fax_number": "503-646-1683"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1130 NW 22ND AVE STE 520",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972102976",
            "telephone_number": "503-274-4800",
            "fax_number": "503-274-4917"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DIEPENHORST",
        "first_name": "LISA",
        "middle_name": "LYNN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-05-31",
        "last_updated": "2026-01-28",
        "certification_date": "2026-01-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "OR",
            "license": "MD26602",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "240035",
            "state": "OR"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Stefanie Marie Dieffenbach, WHNP-BC
• Erika May Diehl
• Nicole Diehl
• Seaanna Cecile Diemer
• Ananda Diener
• Danielle Dierking
• Eric J Dierks, MD, DMD
• Krista E Dierks, PH.D.
• Katie Ariel Diershaw, MS
• Etta Lee Dieter, BSN, RN

• Obstetrics & Gynecology Physician in Portland, OR
• Providers in Portland, OR by specialty
• Obstetrics & Gynecology Physician in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 28, 2026; 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.