Sima Gail Issen, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

MD00025130 Issued in WA

Practice address

32 W 2ND Ave
Spokane, WA 99201-3602

Phone

(509) 626-9825

Fax

(509) 227-7070

NPI assigned

Aug 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

Medicare fee-for-service enrollment

Enrolled in WA

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

Internal Medicine

Education

Northwestern University Feinberg Medical School, 1982

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Providence Health and Services WashingtonGroup PAC ID 0345139929, 778 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: sissen955584@wm.providencedirect.org

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.

• Providence Health & Services Washington

  • Pulmonary Disease Physician
  • Spokane, WA
  • NPI 1194099390

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Rockwood Clinic PS

  • Internal Medicine Physician
  • Spokane, WA
  • NPI 1417953787
  NPD

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

{
    "created_epoch": "1156982400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763942400000",
    "number": "1932211083",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 31001-4114",
            "city": "PASADENA",
            "state": "CA",
            "postal_code": "911100001",
            "telephone_number": "866-747-2455"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "32 W 2ND AVE",
            "city": "SPOKANE",
            "state": "WA",
            "postal_code": "992013602",
            "telephone_number": "509-626-9825",
            "fax_number": "509-227-7070"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ISSEN",
        "first_name": "SIMA",
        "middle_name": "GAIL",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-08-31",
        "last_updated": "2025-11-24",
        "certification_date": "2025-11-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WA",
            "license": "MD00025130",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sarah Ishler
• Kayleen Islam-Zwart, PH.D.
• Perla Belle Islas-Searcey
• Madeleine Francis Isler, MD
• Seraiah Israel, NAC
• Dustin Lee Issler
• Margaret Ithibu, BSN RN
• Zana Clarissa Ito, MA61261063
• Sergei Borisovich Ivanov, MD
• Abbigail Iverson

• Internal Medicine Physician in Spokane, WA
• Providers in Spokane, WA by specialty
• Internal Medicine Physician in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 24, 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.