Individual provider Active NPI

Molly Oser, MD

  • Hospitalist Physician
  • New York, NY
National Provider Identifier
1578253472
Registry record updated Jul 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
344981 Issued in NY
Practice address
550 1St Ave
New York, NY 10016-6402
Phone
(212) 263-5506
NPI assigned
May 12, 2023
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 9, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Hospitalist PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 208M00000X 344981 NY Primary
Student in an Organized Health Care Education/Training Program 390200000X

Addresses

Primary practice location

550 1St Ave
New York, NY 10016-6402

Mailing address

5 Morningside Rd
Verona, NJ 07044-1421
Phone (973) 908-7950

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: No
  • Hospice: Yes
Green means eligible to order or refer.

Care Compare profile

Medicare Care Compare
Specialty
Hospitalist
Education
New York University School of Medicine, 2023
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Trustees of Columbia University in the City of New YorkGroup PAC ID 8527972546, shared by 10 NPIs, 2,262 clinicians

Practice addresses (Care Compare)

622 W 168TH St
New York, NY 10032-3720
Phone (212) 305-9876

Hospital & facility affiliations

National Provider Directory

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

Interoperability endpoints

  • Direct secure messaging: moser371495@nyumc.direct-ci.com

Hospital & facility affiliations 5

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": "1683849600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783555200000",
    "number": "1578253472",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5 MORNINGSIDE RD",
            "city": "VERONA",
            "state": "NJ",
            "postal_code": "070441421",
            "telephone_number": "973-908-7950"
        },
        {
            "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": "212-263-5506"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OSER",
        "first_name": "MOLLY",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2023-05-12",
        "last_updated": "2026-07-09",
        "certification_date": "2026-07-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Hospitalist",
            "state": "NY",
            "license": "344981",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.