Individual provider Active NPI

Chase Christian Westra, MD

  • Emergency Medicine Physician
  • New York, NY
National Provider Identifier
1487217808
Registry record updated Jul 31, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
321896 Issued in NY
Practice address
333 E 30TH St Apt 1N
New York, NY 10016-6465
Phone
(212) 523-3400
NPI assigned
Apr 22, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 31, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X A179447 CA
Student in an Organized Health Care Education/Training Program 390200000X
Emergency Medicine Physician 207P00000X 321896 NY Primary

Addresses

Primary practice location

333 E 30TH St Apt 1N
New York, NY 10016-6465

Mailing address

330 E 30TH St Apt 1N
New York, NY 10016-8303
Phone (212) 523-3400

Other practice location 1

1200 North State Street
GNH 1060K
Los Angeles, CA 90033
Phone (618) 407-7442

Other practice location 2

2051 Marengo St
Los Angeles, CA 90033-1352
Phone (323) 409-1000

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
I20230710000499 NY Practitioner - Emergency Medicine 4688090376 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Icahn School of Medicine at Mount SinaiGroup PAC ID 2264691070, 2,809 clinicians

Practice addresses (Care Compare)

1111 Amsterdam Ave
New York, NY 10025-1716
Phone (212) 987-3100

Hospital & facility affiliations

  • Mount Sinai West Hospital, New York, NY, CCN 330046

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A179447CAMDEmergency Medicine Physician
321896NYMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Fpa Hospital Based Emergency Medicine CurrentSince Jul 1, 2023 Accepting new patients
Fpa Hospital Based CurrentSince Jul 1, 2023 Accepting new patients
Icahn School of Medicine at Mount Sinai CurrentSince Jul 1, 2023 Accepting new patients
Fpa Hospital Based Current Accepting new patients
Icahn School of Medicine at Mount Sinai CurrentSince Jul 1, 2023 Accepting new patients
Icahn School of Medicine at Mount Sinai Emergency Medicine CurrentSince Jul 1, 2023 Accepting new patients

Locations

2510 30th Ave
Long Island City, NY 11102
Phone (718) 267-4245

150 E 42nd St
Fl 10
New York, NY 10017
Phone (646) 605-8119

1000 10th Ave
New York, NY 10019
Phone (212) 523-2369

1111 Amsterdam Ave
New York, NY 10025
Phone (212) 523-2309

234 E 85th St
New York, NY 10028
Phone (212) 241-6585

1176 5th Ave
New York, NY 10029
Phone (212) 241-6237

5 E 98th St
Fl 5
New York, NY 10029
Phone (212) 241-8234

5 E 98th St
New York, NY 10029
Phone (212) 241-3986

Networks

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

Organizations & group practices 6

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.

Hospital & facility affiliations 2

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

NPI Registry JSON

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

{
    "created_epoch": "1555891200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753920000000",
    "number": "1487217808",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "330 E 30TH ST APT 1N",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100168303",
            "telephone_number": "212-523-3400"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "333 E 30TH ST APT 1N",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100166465",
            "telephone_number": "212-523-3400"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1200 North State Street",
            "address_2": "GNH 1060K",
            "address_purpose": "LOCATION",
            "city": "Los Angeles",
            "state": "CA",
            "postal_code": "90033",
            "country_code": "US",
            "telephone_number": "618-407-7442",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2051 Marengo St",
            "address_purpose": "LOCATION",
            "city": "Los Angeles",
            "state": "CA",
            "postal_code": "900331352",
            "country_code": "US",
            "telephone_number": "323-409-1000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WESTRA",
        "first_name": "CHASE",
        "middle_name": "CHRISTIAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-04-22",
        "last_updated": "2025-07-31",
        "certification_date": "2025-07-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A179447",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "NY",
            "license": "321896",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.