Webster Ambulatory Surgery Center, LP

Primary specialty

Ambulatory Surgical Clinic/CenterTaxonomy code 261QA1903X

Legal business name

WEBSTER AMBULATORY SURGERY CENTER, LP

Doing business as

Landmark Surgery Center

Practice address

9701 Landmark Parkway Dr
Suite 100
Saint Louis, MO 63127-1665

Phone

(972) 763-3893

Fax

(972) 692-6745

NPI assigned

Jun 8, 2016

Last updated

Jun 24, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

William Scott Montgomery

Title

Ao

Phone

(615) 545-9132

Specialties & licenses 1

Addresses

Other names 1

• Landmark Surgery Center Doing business as

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in MO

Enrollment records 1

Other NPIs on the same Medicare enrollment 1

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

• Webster Ambulatory Surgery Center LP

  dba Webster Surgery Center

  • Ambulatory Surgical Clinic/Center
  • Webster Groves, MO
  • NPI 1235146325

  O20070501000137

  Same enrollment

Listed as

Webster Ambulatory Surgery Center LP Dba Landmark Surgery CenterCCN 26C0001109

Medicare certification status

ActiveFrom the Provider of Services file

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

Tax ID family

Ability Network2 organizations share this tax ID, including this one

Other organizations with this tax ID 1

Organizations that report the same tax identification number in the National Provider Directory.

• Webster Ambulatory Surgery Center LP

  dba Webster Surgery Center

  • Ambulatory Surgical Clinic/Center
  • Webster Groves, MO
  • NPI 1235146325
  NPD tax ID

Member of 2

Organizations this organization is a member of, according to the National Provider Directory.

• Baylor University Medical Center

  • Durable Medical Equipment & Medical Supplies
  • Dallas, TX
  • NPI 1518967231

  Member Of

  NPD member
• VHS San Antonio Partners LLC

  dba Baptist Health System

  • Psychiatric Hospital Unit
  • San Antonio, TX
  • NPI 1487633509

  Member Of

  NPD member

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Richard C Lehman, M.D.

  • Specialist
  • Saint Louis, MO
  • NPI 1851392377
  NPD (past)
• Lakshmi Dundoo, M.D.

  • Obstetrics & Gynecology Physician
  • Dixon, IL
  • NPI 1871553263
  NPD (past)

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

{
    "created_epoch": "1465344000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1782259200000",
    "number": "1982053054",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9701 LANDMARK PARKWAY DR STE 100",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631271665",
            "telephone_number": "972-763-3893",
            "fax_number": "972-692-6745"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9701 LANDMARK PARKWAY DR",
            "address_2": "SUITE 100",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631271665",
            "telephone_number": "972-763-3893",
            "fax_number": "972-692-6745"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "WEBSTER AMBULATORY SURGERY CENTER, LP",
        "organizational_subpart": "NO",
        "enumeration_date": "2016-06-08",
        "last_updated": "2026-06-24",
        "certification_date": "2026-06-24",
        "status": "A",
        "authorized_official_last_name": "MONTGOMERY",
        "authorized_official_first_name": "WILLIAM",
        "authorized_official_middle_name": "SCOTT",
        "authorized_official_title_or_position": "AO",
        "authorized_official_telephone_number": "615-545-9132"
    },
    "taxonomies": [
        {
            "code": "261QA1903X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Ambulatory Surgical",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://esmd.abilitynetwork.com:8291/gateway/documentsubmission/2_0/NhinService/XDRRequest_Service",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.3.667.2",
            "affiliationName": "Ability Network",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "address_1": "100 N 6th St Ste 900A",
            "city": "Minneapolis",
            "state": "MN",
            "country_code": "US",
            "postal_code": "554031516",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "organization_name": "Landmark Surgery Center",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

• Shauna Bair Weber, RPH
• Susan Mary Weber, RPH
• Thomas Richard Weber, MD
• Yen Weber
• Webster Ambulatory Sugery Center LP (Sunset Hills Surgery Center)
• Webster Family Physicians, P.C.
• Webster Groves Orthodontics LTD
• Webster University (Webster University Health Services)
• Webster Wellness Professionals Inc
• Cirese Webster, FNP-BC

• Ambulatory Surgical Clinic/Center in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Ambulatory Surgical Clinic/Center in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 24, 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.