Tyler Timothy Lazaro, MD

Primary specialty

Neurological Surgery PhysicianTaxonomy code 207T00000X

License

2026013148 Issued in MO

Practice address

1 Barnes Jewish Hospital PLZ
Dept Neurological Surgery
Saint Louis, MO 63110-1003

Phone

(314) 362-3577

Fax

(314) 362-2107

NPI assigned

Mar 24, 2017

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, MO2 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 2

Specialty

Neurosurgery

Education

Boston University School of Medicine, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

The Association of University PhysiciansGroup PAC ID 0446162697, 3,484 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Harborview Medical Center Hospital, Seattle, WA, CCN 500064
• University of Washington Medical Ctr Hospital, Seattle, WA, CCN 500008

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: tlazaro370255@direct.seattlechildrens.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.

• The Association of University Physicians

  • Anesthesiology Physician
  • Seattle, WA
  • NPI 1023041159
  Medicare reassignment Care Compare group NPD
• The Association of Chrmc and University Physicians

  • Pediatrics Physician
  • Seattle, WA
  • NPI 1255449963

  Neurological Surgery

  Medicare reassignment NPD
• Association of CHMC and University Physicians

  • Pediatrics Physician
  • Richland, WA
  • NPI 1851680664
  NPD

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

• Harborview Medical Center

  • General Acute Care Hospital
  • Seattle, WA
  • NPI 1053359729
  Care Compare affiliation
• University of Washington

  • General Acute Care Hospital
  • Seattle, WA
  • NPI 1326002049
  Care Compare affiliation

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

{
    "created_epoch": "1490313600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786406400000",
    "number": "1497286017",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 7412011",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606742011",
            "telephone_number": "314-362-3577",
            "fax_number": "314-362-2107"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 BARNES JEWISH HOSPITAL PLZ",
            "address_2": "DEPT NEUROLOGICAL SURGERY",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631101003",
            "telephone_number": "314-362-3577",
            "fax_number": "314-362-2107"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LAZARO",
        "first_name": "TYLER",
        "middle_name": "TIMOTHY",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-03-24",
        "last_updated": "2026-08-11",
        "certification_date": "2024-07-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "MO",
            "license": "2026013148",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200175089",
            "state": "MO"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "Y",
            "affiliationName": "Washington University",
            "address_1": "1 Barnes Jewish Hospital Plz",
            "address_2": "Dept Neurological Surgery",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631101003",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Caitlin Nicole Layer-Gaskell, LCSW
• Joel Layfield
• Katherine Elizabeth Layne
• Theresa Layne, DPT
• Yvonne Medrano Layugan, M.D.
• Pamela Ann Lazaroff, RD,LD
• Patricia Kelly Lazaroff, RN, CNM, MSN
• Richard Lazaroff, M.D.
• Michael Lazarus, BA
• Kevin Allen Lazenby, MD

• Neurological Surgery Physician in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Neurological Surgery Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 11, 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.