Stephen M. Mulrooney, M.D.,F.A.C.G

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

168802 Issued in NY

Practice address

31 Washington SQ W
Apt 5F
New York, NY 10011-9172

Phone

(212) 358-9123

Fax

(212) 358-1075

NPI assigned

Jun 13, 2005

Last updated

Sep 11, 2025By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Other identifiers 1

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

Specialty

Gastroenterology

Education

Albany Medical College of Union University, 1985

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

North Shore Medical Group of the Mount Sinai School of MedicineGroup PAC ID 8921999087, 325 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mount Sinai South Nassau Hospital, Oceanside, NY, CCN 330198
• Chsli St Joseph Hospital Hospital, Bethpage, NY, CCN 330332

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

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

Interoperability endpoints

• Direct secure messaging: stephenmulrooney@nslijmedgr.allscriptsdirect.net

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• North Shore Medical Group of the Mount Sinai School of Medicine

  dba Mount Sinai Doctors Long Island

  • Internal Medicine Physician
  • Greenlawn, NY
  • NPI 1275640609
  Medicare reassignment Care Compare group NPD
• North Shore-Lij Medical PC

  dba NHPP Cardiology at Great Neck

  • Urology Physician
  • Great Neck, NY
  • NPI 1053688572

  Internal Medicine

  Medicare reassignment NPD
• Physicians of University Hospital, PC

  • Geriatric Medicine (Internal Medicine) Physician
  • Staten Island, NY
  • NPI 1417901323
  Medicare reassignment NPD
• Stephen M Mulrooney MD PC

  • Gastroenterology Physician
  • New York, NY
  • NPI 1003951203

  Internal Medicine

  NPD (past) Authorized official
• North Shore - Lij Medical PC

  dba NSLIJ Medical In Queens

  • Internal Medicine Physician
  • New Hyde Park, NY
  • NPI 1790043479
  NPD
• North Shore Medical Group of the Mount Sinai School of Medicine

  dba North Shore Medical Group

  • Gastroenterology Physician
  • Huntington, NY
  • NPI 1164623278
  NPD
• North Shore Medical Group of the Mount Sinai School of Medicine

  • Internal Medicine Physician
  • Wantagh, NY
  • NPI 1992417323
  NPD
• Physicians of University Hospital, PC

  • Anesthesiology Physician
  • Bay Shore, NY
  • NPI 1023513116
  NPD
• Coney Island Medical Practice Plan, P.C.

  • General Practice Physician
  • Brooklyn, NY
  • NPI 1386951762
  NPD (past)

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

• South Nassau Communities Hospital

  • General Acute Care Hospital
  • Oceanside, NY
  • NPI 1922079094
  Care Compare affiliation
• Wsnchs North, Inc.

  dba St. Joseph Hospital

  • General Acute Care Hospital
  • Bethpage, NY
  • NPI 1013998426
  Care Compare affiliation

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

{
    "created_epoch": "1118620800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1700880168",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "31 WASHINGTON SQ W",
            "address_2": "APT 5F",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100119172",
            "telephone_number": "212-358-9123",
            "fax_number": "212-358-1075"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "31 WASHINGTON SQ W",
            "address_2": "APT 5F",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100119172",
            "telephone_number": "212-358-9123",
            "fax_number": "212-358-1075"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MULROONEY",
        "first_name": "STEPHEN",
        "middle_name": "M.",
        "name_prefix": "Dr.",
        "credential": "M.D.,F.A.C.G",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-06-13",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "168802",
            "primary": true
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NY",
            "license": "168802",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1512385",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Lucy Mullman, LCSW
• Avner Cohen Mullokandov, DDS
• Gregory Mullokandov
• Oksana Mullokandova
• Jacqueline Mulone, PSYD
• James Joseph Mulry Jr., LCSW
• Robert Barrett Mulry
• Ryan Mulry, M.D.
• Carolyn Mulryan, N.P
• Navpreet Kaur Multani, MHC-LP

• Internal Medicine Physician in New York, NY
• Providers in New York, NY by specialty
• Internal Medicine Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.