NPIMap

Individual provider Active NPI

Stephan Alexander Castellanos, MD, MBA

  • Hospitalist Physician
  • New York, NY
National Provider Identifier
1750900684
Registry record updated Sep 19, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
323604 Issued in NY
Practice address
550 1St Ave
New York, NY 10016-6402
Phone
(212) 263-7300
Fax
(212) 263-6022
NPI assigned
Apr 10, 2020
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 19, 2023

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hospitalist Physician 208M00000X 323604 NY Primary

Addresses

Primary practice location

550 1St Ave
New York, NY 10016-6402

Mailing address

550 1St Ave
New York, NY 10016-6402
Phone (212) 263-7300

Other practice location 1

3014 Holly Hall St
Houston, TX 77054-4161
Phone (205) 907-9510

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20230627001567 NY Practitioner - Hospitalist 0345654299 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hospitalist
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
New York UniversityGroup PAC ID 1355232422, 5,925 clinicians

Practice addresses (Care Compare)

111 Broadway
New York, NY 10006-1901
Phone (212) 263-9700

150 55TH St
Brooklyn, NY 11220-2508
Phone (718) 630-7000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
90.8 of 100Reported as group
Quality
91.79
Promoting interoperability
100
Improvement activities
40
Cost
75.18

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Master of Business Administration, Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
New York University CurrentSince Jul 1, 2023 Accepting new patients
New York University CurrentSince Jul 1, 2023 Accepting new patients
NYU Langone Hospitals Past Accepting new patients

Locations

550 1st Ave
New York, NY 10016
Phone (212) 263-3293

Networks

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

Interoperability endpoints

  • Direct secure messaging: scastellanos577743@nyumc.direct-ci.com

Organizations & group practices 3

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 7

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": "1586476800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1695081600000",
    "number": "1750900684",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "550 1ST AVE",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100166402",
            "telephone_number": "212-263-7300",
            "fax_number": "212-263-6022"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "550 1ST AVE",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100166402",
            "telephone_number": "212-263-7300",
            "fax_number": "212-263-6022"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3014 Holly Hall St",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770544161",
            "country_code": "US",
            "telephone_number": "205-907-9510",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CASTELLANOS",
        "first_name": "STEPHAN",
        "middle_name": "ALEXANDER",
        "name_prefix": "Dr.",
        "credential": "MD, MBA",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2020-04-10",
        "last_updated": "2023-09-19",
        "certification_date": "2023-09-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "NY",
            "license": "323604",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.