Individual provider Active NPI

Lauren Alessandra Walzer, DO

  • Hospitalist Physician
  • New York, NY
National Provider Identifier
1811402373
Registry record updated Nov 18, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
293998 Issued in NY
Practice address
622 W 168TH St # VC-4
New York, NY 10032-3720
Phone
(212) 305-6227
NPI assigned
Dec 6, 2017
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 18, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X 293998 NY
Student in an Organized Health Care Education/Training Program 390200000X
Hospitalist Physician 208M00000X 293998 NY Primary

Addresses

Primary practice location

622 W 168TH St # VC-4
New York, NY 10032-3720

Mailing address

2323 Astoria Blvd Apt 5F
Astoria, NY 11102-2994
Phone (973) 981-9888

Other practice location 1

1 Robert Wood Johnson Pl # Pl308
New Brunswick, NJ 08901-1928
Phone (732) 235-7883

Electronic endpoints 3

TypeEndpointUseAffiliation
FHIR URL https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/DSTU2/ Health Information Exchange (HIE)
FHIR URL https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/R4/ Health Information Exchange (HIE)
Direct Messaging Address law2012@direct.nyp.org Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
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

Enrollment IDStateProvider typePAC IDDetails
I20180810002166 NY Practitioner - Pediatric Medicine 4981952686 Reassigns benefits to 2 organizations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

Practice roles

OrganizationSpecialtyStatusNew patients
Trustees of Columbia University in the City of New York Pediatrics CurrentSince Aug 1, 2018 Accepting new patients
Trustees of Columbia University in the City of New York Pediatrics CurrentSince Aug 1, 2018 Accepting new patients
Trustees of Columbia University in the City of New York CurrentSince Aug 1, 2018 Accepting new patients
The New York and Presbyterian Hospital Past Accepting new patients
The New York and Presbyterian Hospital Past Accepting new patients

Locations

55 Palmer Ave
Bronxville, NY 10708
Phone (914) 787-3136

630 W 168th St
New York, NY 10032
Phone (212) 305-1948

622 W 168th St
#4
New York, NY 10032
Phone (212) 305-3394

622 W 168th St
New York, NY 10032
Phone (212) 305-4931

161 Fort Washington Ave
New York, NY 10032
Phone (212) 305-8559

2026 Richmond Rd
Staten Island, NY 10306
Phone (212) 305-2300

Networks

  • Healthfirst Medicare Network H9678
  • Healthfirst Medicare Network H5989
  • Healthfirst Medicare Network H3359
  • Healthfirst Medicare Network H1722

Interoperability endpoints

  • FHIR API: https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/R4/
  • Direct secure messaging: law2012@direct.nyp.org
  • FHIR API: https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/DSTU2/

Organizations & group practices 5

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.

NPI Registry JSON

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

{
    "created_epoch": "1512518400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763424000000",
    "number": "1811402373",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2323 ASTORIA BLVD APT 5F",
            "city": "ASTORIA",
            "state": "NY",
            "postal_code": "111022994",
            "telephone_number": "973-981-9888"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "622 W 168TH ST # VC-4",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100323720",
            "telephone_number": "212-305-6227"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1 Robert Wood Johnson Pl # Pl308",
            "address_purpose": "LOCATION",
            "city": "New Brunswick",
            "state": "NJ",
            "postal_code": "089011928",
            "country_code": "US",
            "telephone_number": "732-235-7883",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WALZER",
        "first_name": "LAUREN",
        "middle_name": "ALESSANDRA",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-12-06",
        "last_updated": "2025-11-18",
        "certification_date": "2025-11-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "NY",
            "license": "293998",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "NY",
            "license": "293998",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "N",
            "endpointDescription": "FHIR",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "FHIR",
            "address_1": "55 Palmer Ave",
            "city": "Bronxville",
            "state": "NY",
            "country_code": "US",
            "postal_code": "107083403",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/R4/",
            "affiliation": "N",
            "endpointDescription": "FHIR",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "FHIR",
            "address_1": "55 Palmer Ave",
            "city": "Bronxville",
            "state": "NY",
            "country_code": "US",
            "postal_code": "107083403",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "law2012@direct.nyp.org",
            "affiliation": "N",
            "endpointDescription": "Direct Address",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "Direct Address",
            "address_1": "55 Palmer Ave",
            "city": "Bronxville",
            "state": "NY",
            "country_code": "US",
            "postal_code": "107083403",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.