William Stanley Vachon, M.D.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

C7-0003186 Issued in DE

Practice address

4755 Ogletown Rd
Christiana Hospital, Academic Affairs - Suite 2A00
Newark, DE 19718-0001

Phone

(302) 733-3904

NPI assigned

Apr 24, 2007

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in KY

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

Emergency Medicine

Education

University of South Carolina School of Medicine, 2005

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Owensboro Health Medical Group IncGroup PAC ID 0648255034, 455 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Owensboro Health Regional Hospital Hospital, Owensboro, KY, CCN 180038
• Owensboro Health Muhlenberg Community Hospital Hospital, Greenville, KY, CCN 180004

Merit-based Incentive Payment System (MIPS)

Final score

96.72 of 100Reported as apm

Quality

84.31

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Owensboro Health Medical Group Inc

  dba Owensboro Health Muhlenberg Community Hospital Wound Center

  • Surgery Physician
  • Greenville, KY
  • NPI 1235518242
  Medicare reassignment Care Compare group NPD
• Green Valley Emergency Physicians, LLC

  • Emergency Medicine Physician
  • Paducah, KY
  • NPI 1720755739
  Medicare reassignment NPD
• Southeastern Emergency Physicians LLC

  • Emergency Medicine Physician
  • Maysville, KY
  • NPI 1356379382
  Medicare reassignment NPD
• Baptist Health Deaconess Medical Group Inc

  • Internal Medicine Physician
  • Madisonville, KY
  • NPI 1437730942
  NPD
• Owensboro Health Medical Group Inc

  dba Owensboro Health Medical Group Premier Primary Care

  • Internal Medicine Physician
  • Owensboro, KY
  • NPI 1306700711
  NPD
• Owensboro Health Medical Group, Inc

  dba Owensboro Health Medical Group - Unifirst Clinic

  • Family Nurse Practitioner
  • Owensboro, KY
  • NPI 1760905616
  NPD

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

• Oh Muhlenberg, LLC

  dba Owensboro Health Muhlenberg Community Hospital

  • General Acute Care Hospital
  • Greenville, KY
  • NPI 1407800436
  Care Compare affiliation
• Oh Muhlenberg, LLC

  dba Owensboro Health Muhlenberg Community Hospital Coal Miners' Respirator

  • Pulmonary Disease Physician
  • Greenville, KY
  • NPI 1992001044

  Hospital

  Care Compare affiliation
• Owensboro Health Inc

  dba Owensboro Health Regional Hospital

  • General Acute Care Hospital
  • Owensboro, KY
  • NPI 1285613612
  Care Compare affiliation

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

{
    "created_epoch": "1177372800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1748476800000",
    "number": "1447479092",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 6001",
            "address_2": "CHRISTIANA HOSPITAL-C/O ACADEMIC AFFAIRS, SUITE 2A00",
            "city": "NEWARK",
            "state": "DE",
            "postal_code": "197186744",
            "telephone_number": "302-353-7102"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4755 OGLETOWN RD",
            "address_2": "CHRISTIANA HOSPITAL, ACADEMIC AFFAIRS - SUITE 2A00",
            "city": "NEWARK",
            "state": "DE",
            "postal_code": "197180001",
            "telephone_number": "302-733-3904"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1201 Pleasant Valley Rd",
            "address_purpose": "LOCATION",
            "city": "Owensboro",
            "state": "KY",
            "postal_code": "423039811",
            "country_code": "US",
            "telephone_number": "270-417-5911",
            "fax_number": "270-417-6497",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "440 Hopkinsville St",
            "address_purpose": "LOCATION",
            "city": "Greenville",
            "state": "KY",
            "postal_code": "423451124",
            "country_code": "US",
            "telephone_number": "270-338-8000",
            "fax_number": "270-338-8333",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "VACHON",
        "first_name": "WILLIAM",
        "middle_name": "STANLEY",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-04-24",
        "last_updated": "2025-05-29",
        "certification_date": "2025-05-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "KY",
            "license": "44307",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "DE",
            "license": "C7-0003186",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "wvachon129053@direct.owensborohealth.org",
            "affiliation": "N",
            "address_1": "1201 Pleasant Valley Rd",
            "city": "Owensboro",
            "state": "KY",
            "country_code": "US",
            "postal_code": "423039811",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "wvachon129053@direct.owensborohealth.org",
            "affiliation": "N",
            "address_1": "440 Hopkinsville St",
            "city": "Greenville",
            "state": "KY",
            "country_code": "US",
            "postal_code": "423451124",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

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• Emergency Medicine Physician in Newark, DE
• Providers in Newark, DE by specialty
• Emergency Medicine Physician in Delaware

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