Active NPI
Lauren Alessandra Walzer, DO
- Hospitalist Physician
- New York, NY
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hospitalist Physician
- License
- 293998
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| 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
Enrollment records 1
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Trustees of Columbia University in the City of New York | Pediatrics | Current | Accepting new patients |
| Trustees of Columbia University in the City of New York | Pediatrics | Current | Accepting new patients |
| Trustees of Columbia University in the City of New York | Current | 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
- https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/R4/
- law2012@direct.nyp.org
- 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.
-
- Surgery Physician
- New York, NY
- NPI 1508266347
Pediatrics
-
- Internal Medicine Physician
- Fort Lee, NJ
- NPI 1982993184
NY, Pediatrics
-
- Internal Medicine Physician
- New York, NY
- NPI 1699289488
-
dba NewYork-Presbyterian Hospital
- General Acute Care Hospital
- New York, NY
- NPI 1194832477
-
dba New-York-Presbyterian Pharmacy
- Community/Retail Pharmacy
- White Plains, NY
- NPI 1457057226
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 18, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.