Hamilton Tsang, M.D.

Primary specialty

Anatomic Pathology & Clinical Pathology PhysicianTaxonomy code 207ZP0102X

License

MD60775333 Issued in WA

Practice address

1959 NE Pacific St
Nn603E
Seattle, WA 98195-4870

Phone

(206) 598-0682

NPI assigned

Apr 17, 2012

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in LA

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

Pathology

Education

Other, 2012

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Ochsner Clinic LLCGroup PAC ID 8224933619, 2,845 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Ochsner Medical Center Acute Hospital, New Orleans, LA, CCN 190036

Merit-based Incentive Payment System (MIPS)

Final score

93.85 of 100Reported as apm

Quality

74.6

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: htsang2463078@direct.ochsner.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.

• Ochsner Clinic LLC

  • General Practice Physician
  • New Orleans, LA
  • NPI 1538151428
  Medicare reassignment Care Compare group NPD
• The Association of University Physicians

  • Anesthesiology Physician
  • Seattle, WA
  • NPI 1023041159

  Anatomic Pathology & Clinical Pathology

  NPD
• Ochsner Clinic LLC

  • Registered Dietitian
  • Covington, LA
  • NPI 1013747039
  NPD
• Ochsner Clinic LLC

  • General Practice Physician
  • Lafayette, LA
  • NPI 1518191311
  NPD

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

• Ochsner Clinic Foundation

  • General Acute Care Hospital
  • New Orleans, LA
  • NPI 1811973100
  Care Compare affiliation

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

{
    "created_epoch": "1334620800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769644800000",
    "number": "1992062822",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1959 NE PACIFIC ST BOX 357110",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981957110",
            "telephone_number": "206-598-0682"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1959 NE PACIFIC ST",
            "address_2": "NN603E",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981954870",
            "telephone_number": "206-598-0682"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1514 Jefferson Hwy",
            "address_purpose": "LOCATION",
            "city": "New Orleans",
            "state": "LA",
            "postal_code": "701212429",
            "country_code": "US",
            "telephone_number": "504-842-4000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TSANG",
        "first_name": "HAMILTON",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2012-04-17",
        "last_updated": "2026-01-29",
        "certification_date": "2026-01-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "WA",
            "license": "MD60775333",
            "primary": true
        },
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "LA",
            "license": "346347",
            "primary": false
        },
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "CA",
            "license": "A138283",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE PIN",
            "identifier": "1992062822",
            "state": "WA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1992062822",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Mavis Tsai, PH.D.
• Michaela L Tsai, MD
• Rachel Tsai, PHARMD
• Shelun Tsai
• Clayton Tsang, MD
• Laura Tsang, LMFT
• William Chao Wei Tsang, AAC
• Elaine Y Tsao, M.D.
• Sarah Tsao
• Victoria Tsao, MD

• Anatomic Pathology & Clinical Pathology Physician in Seattle, WA
• Providers in Seattle, WA by specialty
• Anatomic Pathology & Clinical Pathology Physician in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 29, 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.