David Bartow Williams, CAA

Primary specialty

Anesthesiologist AssistantTaxonomy code 367H00000X

License

75000009A Issued in IN

Practice address

455 Saint Michaels Dr
Santa Fe, NM 87505-7601

Phone

(505) 795-4227

NPI assigned

Dec 20, 2016

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

Other names 1

• Bart Williams Other name

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in IN, NM2 enrollments

Enrollment records 2

Specialty

Anesthesiology Assistant

Education

University of Colorado School of Medicine, Denver, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

St Vincent HospitalGroup PAC ID 6608775135, 335 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Christus St Vincent Regional Medical Center Hospital, Santa Fe, NM, CCN 320002

Medicare enrollment (NPD)

Enrolled

Credentials

Associate of Arts

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: dwilliams38972@direct.eskenazihealth.edu

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.

• St Vincent Hospital

  • Pediatrics Physician
  • Santa Fe, NM
  • NPI 1063367803
  Medicare reassignment Care Compare group
• Indiana University Health Care Associates, Inc

  • General Practice Physician
  • Indianapolis, IN
  • NPI 1902032832
  Medicare reassignment NPD
• Iu Health Medical Group, LLC

  • General Practice Physician
  • Indianapolis, IN
  • NPI 1326893777
  Medicare reassignment NPD
• Wishard Anesthesia Group, LLC

  • Anesthesiology Physician
  • Indianapolis, IN
  • NPI 1477505022
  Medicare reassignment NPD
• St Vincent Hospital

  • General Acute Care Hospital
  • Santa Fe, NM
  • NPI 1578587150
  NPD
• St Vincent Hospital

  • Anesthesiology Physician
  • Santa Fe, NM
  • NPI 1902454499
  NPD
• St. Vincent Hospital

  • Family Medicine Physician
  • Santa Fe, NM
  • NPI 1245438647
  NPD
• University Medical Diagnostic Associates, Inc.

  • Internal Medicine Physician
  • Indianapolis, IN
  • NPI 1861441537
  NPD (past)

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

• St Vincent Hospital

  • General Acute Care Hospital
  • Santa Fe, NM
  • NPI 1578587150
  Care Compare affiliation

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

{
    "created_epoch": "1482192000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780272000000",
    "number": "1124563556",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "720 ESKENAZI AVE",
            "address_2": "FIFTH THIRD BANK BLDG, 5TH FL",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462025166",
            "telephone_number": "317-880-4121",
            "fax_number": "317-880-0343"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "455 SAINT MICHAELS DR",
            "city": "SANTA FE",
            "state": "NM",
            "postal_code": "875057601",
            "telephone_number": "505-795-4227"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "DAVID",
        "middle_name": "BARTOW",
        "credential": "CAA",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2016-12-20",
        "last_updated": "2026-06-01",
        "certification_date": "2026-06-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367H00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiologist Assistant",
            "state": "IN",
            "license": null,
            "primary": false
        },
        {
            "code": "367H00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiologist Assistant",
            "state": "IN",
            "license": "75000009A",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "dwilliams38972@direct.eskenazihealth.edu",
            "affiliation": "N",
            "address_1": "720 Eskenazi Ave",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462025166",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "dwilliams@direct.iuhealth.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "720 Eskenazi Ave",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462025166",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "BART",
            "last_name": "WILLIAMS",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• William a. Leeson, M.D., P.C.
• William a. Leeson, MD, PC
• William J. Wengs, MD PC
• Amy Gail Williams, MD
• Brice Williams
• Derek Williams
• Edward Donald Williams, DPM
• Gail M Williams, RN
• Gretchen Williams, CNP
• Johnella Williams

• Anesthesiologist Assistant in Santa Fe, NM
• Providers in Santa Fe, NM by specialty
• Anesthesiologist Assistant in New Mexico

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 1, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.