Michael Louis Ernst, MD

Primary specialty

Pediatric Urology PhysicianTaxonomy code 2088P0231X

License

316666 Issued in NY

Practice address

101 Nicholls Rd
HSC-9 040
Stony Brook, NY 11795

Phone

(631) 444-1176

NPI assigned

Apr 6, 2015

Last updated

Aug 7, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 4

Addresses

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

Urology

Education

Other, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Stony Brook Urology University Faculty Practice CorporationGroup PAC ID 3577454008, 38 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Suny/Stony Brook University Hospital Hospital, Stony Brook, NY, CCN 330393

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

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.

• Stony Brook Urology, University Faculty Practice Corporation

  • Urology Physician
  • East Setauket, NY
  • NPI 1538114707
  Medicare reassignment Care Compare group NPD

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

• University Hospital at Stony Brook

  dba Stony Brook Southampton Hospital

  • General Acute Care Hospital
  • Southampton, NY
  • NPI 1033224704
  Care Compare affiliation
• University Hospital at Stony Brook

  • General Acute Care Hospital
  • Southampton, NY
  • NPI 1225507114
  Care Compare affiliation
• University Hospital at Stony Brook

  • Land Ambulance
  • Stony Brook, NY
  • NPI 1306620588

  Hospital

  Care Compare affiliation
• University Hospital at Stony Brook

  • General Acute Care Hospital
  • Greenport, NY
  • NPI 1881690691
  Care Compare affiliation
• University Hospital at Stony Brook

  • Clinic/Center
  • Greenport, NY
  • NPI 1932466604

  Hospital

  Care Compare affiliation
• University Hospital at Stony Brook

  • General Acute Care Hospital
  • Stony Brook, NY
  • NPI 1972523348
  Care Compare affiliation

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

{
    "created_epoch": "1428278400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786060800000",
    "number": "1386039378",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "101 NICHOLLS RD",
            "address_2": "HSC-9 040",
            "city": "STONY BROOK",
            "state": "NY",
            "postal_code": "11795",
            "telephone_number": "631-444-1176"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 NICHOLLS RD",
            "address_2": "HSC-9 040",
            "city": "STONY BROOK",
            "state": "NY",
            "postal_code": "11795",
            "telephone_number": "631-444-1176"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1001 Main St",
            "address_purpose": "LOCATION",
            "city": "Buffalo",
            "state": "NY",
            "postal_code": "142031009",
            "country_code": "US",
            "telephone_number": "716-852-4772",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "74 Commerce Ave",
            "address_purpose": "LOCATION",
            "city": "Riverhead",
            "state": "NY",
            "postal_code": "119013105",
            "country_code": "US",
            "telephone_number": "631-444-6270",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "280 Union Ave",
            "address_purpose": "LOCATION",
            "city": "Holbrook",
            "state": "NY",
            "postal_code": "117411832",
            "country_code": "US",
            "telephone_number": "631-444-6270",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "818 Ellicott St",
            "address_purpose": "LOCATION",
            "city": "Buffalo",
            "state": "NY",
            "postal_code": "142031021",
            "country_code": "US",
            "telephone_number": "716-852-4772",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "24 Research Way",
            "address_purpose": "LOCATION",
            "city": "Setauket",
            "state": "NY",
            "postal_code": "117333487",
            "country_code": "US",
            "telephone_number": "631-444-6270",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ERNST",
        "first_name": "MICHAEL",
        "middle_name": "LOUIS",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-04-06",
        "last_updated": "2026-08-07",
        "certification_date": "2026-08-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "OH",
            "license": "30.138575",
            "primary": false
        },
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "NY",
            "license": "316666",
            "primary": false
        },
        {
            "code": "2088P0231X",
            "taxonomy_group": "",
            "desc": "Urology, Pediatric Urology",
            "state": "OH",
            "license": "35.138575",
            "primary": false
        },
        {
            "code": "2088P0231X",
            "taxonomy_group": "",
            "desc": "Urology, Pediatric Urology",
            "state": "NY",
            "license": "316666",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Barbara Jean Ercolino
• Rose Edna Erickson, R.N.
• Zachary Erlichman
• Ernest P Larios DDS PC
• Alexandra Brielle Erney
• Ferhat Erol, MD
• Deirdre Cocks Eschler, M.D.
• Edward Brian Eschmann, RPH
• Sintia Sujey Escobar Avelar, MD
• Gisele Elizabeth Escobar, NP

• Pediatric Urology Physician in Stony Brook, NY
• Providers in Stony Brook, NY by specialty
• Pediatric Urology Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 7, 2026; 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.