Dianne Bach

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

MD225573 Issued in OR

Practice address

3181 SW Sam Jackson Park Rd
Portland, OR 97239-3011

Phone

(503) 494-7641

Fax

(503) 494-4661

NPI assigned

May 2, 2016

Sex

Female

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: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Anesthesiology

Education

Other, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

University Anesthesiology Associates LLCGroup PAC ID 6901702869, 239 clinicians

Hospitalist Medicine Physicians of Washington - TCSGroup PAC ID 6800240102, 197 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Ohsu Hospital and Clinics Hospital, Portland, OR, CCN 380009
• Providence Portland Medical Center Hospital, Portland, OR, CCN 380061

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: dbach286165@scrippshlth.medalliesdirect.net
• Direct secure messaging: dbach201936@direct.ohsu.edu

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.

• Hospitalist Medicine Physicians of Washington - TCS

  • Anesthesiology Physician
  • Portland, OR
  • NPI 1649816380
  Medicare reassignment Care Compare group NPD
• University Anesthesiology Associates, LLC

  • Anesthesiology Physician
  • Portland, OR
  • NPI 1841217817
  Medicare reassignment Care Compare group NPD
• Anesthesia Service Medical Group

  • Anesthesiology Physician
  • San Diego, CA
  • NPI 1053354233
  NPD
• Scripps Health

  • General Acute Care Hospital
  • San Diego, CA
  • NPI 1487928891
  NPD

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

• Oregon Health & Science University

  • General Acute Care Hospital
  • Portland, OR
  • NPI 1609824010
  Care Compare affiliation
• Providence Health & Services - Oregon

  • General Acute Care Hospital
  • Portland, OR
  • NPI 1003991845
  Care Compare affiliation
• Providence Health & Services - Oregon

  • Case Manager/Care Coordinator
  • Portland, OR
  • NPI 1891822995

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1462147200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764115200000",
    "number": "1083069629",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 5000 UNIT 65",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "97208",
            "telephone_number": "877-444-4411",
            "fax_number": "818-884-7725"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3181 SW SAM JACKSON PARK RD",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972393011",
            "telephone_number": "503-494-7641",
            "fax_number": "503-494-4661"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3626 Ruffin Rd",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921231810",
            "country_code": "US",
            "telephone_number": "858-565-9666",
            "fax_number": "858-565-9441",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BACH",
        "first_name": "DIANNE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-05-02",
        "last_updated": "2025-11-26",
        "certification_date": "2025-11-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "OR",
            "license": "MD225573",
            "primary": true
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CA",
            "license": "A144943",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Joshua A Baca, RN
• Michael Baca
• Allison Zuniga Bacay
• Alexandra Bacca
• Brooklyn Bach, NP
• Madeline Bach
• Robert Bach, D.C.
• Sandy Bacharach
• Hannah Lee Bacheller, MD, MS
• Madeline Bachhuber, PHARM.D.

• Anesthesiology Physician in Portland, OR
• Providers in Portland, OR by specialty
• Anesthesiology Physician in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 26, 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.