Thomas Arthur Ludwig, M.D.

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

MD00049359 Issued in WA

Practice address

909 Squalicum Way Ste 102
Bellingham, WA 98225-2077

Phone

(360) 647-3377

Fax

(360) 752-3214

NPI assigned

Mar 5, 2007

Last updated

Dec 5, 2025By the provider in NPPES

Sex

Male

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

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in WA, PA, AK3 enrollments

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 3

Specialty

Anesthesiology

Education

Other, 2003

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Bellingham Anesthesia Associates PSGroup PAC ID 6406755990, 52 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Peacehealth St Joseph Medical Center Hospital, Bellingham, WA, CCN 500030
• Skagit Valley Hospital Hospital, Mount Vernon, WA, CCN 500003
• Peacehealth Peace Island Medical Center Hospital, Friday Harbor, WA, CCN 501340
• Cascade Valley Hospital Hospital, Arlington, WA, CCN 500060

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: tludwig12522@skagit.direct-ci.com
• Direct secure messaging: tludwig535490@upmc.direct-ci.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Bellingham Anesthesia Associates, P.S.

  • Anesthesiology Physician
  • Bellingham, WA
  • NPI 1609893460

  AK

  Medicare reassignment Care Compare group NPD
• North American Partners in Anesthesia, Pennsylvania , LLC

  • Anesthesiology Physician
  • Melville, NY
  • NPI 1639137854

  PA

  Medicare reassignment NPD
• Providence Wa Anesthesia Services, P.C.

  • Anesthesiology Physician
  • Everett, WA
  • NPI 1669615894
  NPD (past)

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

• Peacehealth

  dba St. Joseph Medical Center

  • Rural Acute Care Hospital
  • Bellingham, WA
  • NPI 1487904546
  Care Compare affiliation
• Peacehealth

  dba Peacehealth Peace Island Medical Center

  • Critical Access Hospital
  • Friday Harbor, WA
  • NPI 1487917233
  Care Compare affiliation
• Peacehealth

  dba St Joseph Medical Center

  • General Acute Care Hospital
  • Bellingham, WA
  • NPI 1689677320
  Care Compare affiliation
• Public Hospital Dist No 1 Skagit

  dba Skagit Valley Hospital

  • General Acute Care Hospital
  • Mount Vernon, WA
  • NPI 1053357244
  Care Compare affiliation
• Public Hospital Dist No 1 Skagit

  dba Cascade Valley Hospital

  • General Acute Care Hospital
  • Arlington, WA
  • NPI 1073566246
  Care Compare affiliation
• St Joseph Hospital

  dba Northwest Regional Laboratory

  • Clinical Medical Laboratory
  • Bellingham, WA
  • NPI 1013137173

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1173052800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764892800000",
    "number": "1316076680",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "909 SQUALICUM WAY STE 102",
            "city": "BELLINGHAM",
            "state": "WA",
            "postal_code": "982252077",
            "telephone_number": "360-647-3377",
            "fax_number": "360-752-3214"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "909 SQUALICUM WAY STE 102",
            "city": "BELLINGHAM",
            "state": "WA",
            "postal_code": "982252077",
            "telephone_number": "360-647-3377",
            "fax_number": "360-752-3214"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LUDWIG",
        "first_name": "THOMAS",
        "middle_name": "ARTHUR",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-03-05",
        "last_updated": "2025-12-05",
        "certification_date": "2021-08-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "WA",
            "license": "MD00049359",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "8509846",
            "state": "WA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "tludwig535490@upmc.direct-ci.com",
            "affiliation": "N",
            "address_1": "600 Grant St",
            "address_2": "Floor 58",
            "city": "Pittsburgh",
            "state": "PA",
            "country_code": "US",
            "postal_code": "152192702",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Susanna Lucido
• Diane Kay Luden, BA
• Harriet Ludjin
• Stephanie Ludlow
• Heather Rae Ludwig, SLP
• Dulce R Luengas
• Lummi Care
• Lummi Indian Business Council (Lummi Nation Health Center Pharmacy)
• Lummi Indian Business Council (Senior & Disability Services)
• Lummi Indian Business Council (Lummi Nation Health Center)

• Anesthesiology Physician in Bellingham, WA
• Providers in Bellingham, WA by specialty
• Anesthesiology Physician in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 5, 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.