Ian Nigel Monk, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

87998-20 Issued in WI

Practice address

1000 Mineral Point Ave
Janesville, WI 53548-2982

Phone

(608) 756-6807

NPI assigned

Apr 2, 2019

Last updated

Aug 23, 2026By 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 3

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

GastroenterologyAlso: Hospitalist

Education

Wayne State University School of Medicine, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Stony Brook Internists University Faculty Practice CorporationGroup PAC ID 9133019821, 427 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

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

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

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 Internists, University Faculty Practice Corporation

  • Endocrinology, Diabetes & Metabolism Physician
  • Stony Brook, NY
  • NPI 1356380471
  Medicare reassignment Care Compare group NPD
• Stony Brook Internists, University Faculty Practice Corporation

  • Gastroenterology Physician
  • Stony Brook, NY
  • NPI 1265471809
  NPD
• Stony Brook Internists, University Faculty Practice Corporation

  • Cardiac Rehabilitation Registered Nurse
  • Stony Brook, NY
  • NPI 1295778371
  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": "1554163200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787443200000",
    "number": "1790247492",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "109 E WILSON ST APT 1140",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537038205",
            "telephone_number": "331-688-2480"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 MINERAL POINT AVE",
            "city": "JANESVILLE",
            "state": "WI",
            "postal_code": "535482982",
            "telephone_number": "608-756-6807"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "8201 E Riverside Blvd",
            "address_purpose": "LOCATION",
            "city": "Rockford",
            "state": "IL",
            "postal_code": "611142300",
            "country_code": "US",
            "telephone_number": "815-971-6193",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MONK",
        "first_name": "IAN",
        "middle_name": "NIGEL",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2019-04-02",
        "last_updated": "2026-08-23",
        "certification_date": "2026-08-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "WI",
            "license": "87998-20",
            "primary": true
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NY",
            "license": "336079",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "IL",
            "license": "036.160069",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Mustafa Abdul Waheed Mohammed, MD
• Selma Mohammedi, DMD
• Saad Mohsin, MD
• Jay Mominee, LAT
• Ruben Monarrez, MD
• Sherry Lynn Moran, LPTA
• Nancy Morgan, PT
• Jerry Ryan Morris III, APSW
• Jolean Morrison, DVM
• Carol J Moseman, RN, RCS

• Gastroenterology Physician in Janesville, WI
• Providers in Janesville, WI by specialty
• Gastroenterology Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 23, 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.