Gwen Marcus, MD

Primary specialty

Neonatal-Perinatal Medicine PhysicianTaxonomy code 2080N0001X

License

MD00038714 Issued in WA

Practice address

9635 17TH Ave SW
Seattle, WA 98106-2712

Phone

(206) 763-5057

Fax

(206) 763-5241

NPI assigned

Jun 12, 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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

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.

• Highline Medical Group

  • Obstetrics & Gynecology Physician
  • Burien, WA
  • NPI 1265783609
  NPD (past)
• Highline Medical Group Inc

  • Family Medicine Physician
  • Burien, WA
  • NPI 1982652400
  NPD (past)
• Seahurst Pediatrics PLLC

  • Pediatrics Physician
  • Burien, WA
  • NPI 1629002597
  NPD (past)

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

{
    "created_epoch": "1150070400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1760424816",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 34936",
            "address_2": "DEPT # 5006",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981241936",
            "telephone_number": "206-439-2988",
            "fax_number": "206-431-3939"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9635 17TH AVE SW",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981062712",
            "telephone_number": "206-763-5057",
            "fax_number": "206-763-5241"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARCUS",
        "first_name": "GWEN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-06-12",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080N0001X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Neonatal-Perinatal Medicine",
            "state": "WA",
            "license": "MD00038714",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Gabriel Marcu
• Macy Cordts Marcucci
• Sarah Marcus-Barton, MD
• Deborah Ruth Marcus, WHNP
• Elisabeth Marcus, LMP
• Judith Ann Marcus, LMP
• Edgar Marcuse
• Alanna Janeen Marder, RDN
• Carrie Page Marder, MD
• Maya Marder

• Neonatal-Perinatal Medicine Physician in Seattle, WA
• Providers in Seattle, WA by specialty
• Neonatal-Perinatal Medicine Physician in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.