Individual provider Active NPI

Katherine Rowan, MD

  • Internal Medicine Physician
  • West Islip, NY
National Provider Identifier
1205178969
Registry record updated Aug 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
278179 Issued in NY
Practice address
631 Montauk Hwy Ste 1B
West Islip, NY 11795-4400
Phone
(631) 306-4607
Fax
(631) 532-4924
NPI assigned
Mar 20, 2013
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 21, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 278179 NY Primary

Addresses

Primary practice location

631 Montauk Hwy Ste 1B
West Islip, NY 11795-4400

Mailing address

71 Washington St
Babylon, NY 11702-1817
Phone (860) 985-1279

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20161028000534 NY Practitioner - Internal Medicine 4284912122 Reassigns benefits to 2 organizations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
2566MNMDProfessional Counselor
278179NYMDLicensed Practical Nurse
20720NVMDPharmacist
A173189CAMDInternal Medicine Physician
MD048923DCMDInternal Medicine Physician
TPME196FLMDInternal Medicine Physician
TM141GAMDInternal Medicine Physician
036156111ILMDInternal Medicine Physician
MD24299MEMDInternal Medicine Physician
25MA11077200NJMDInternal Medicine Physician
35.140172OHMDInternal Medicine Physician
MD472325PAMDInternal Medicine Physician
84195SCMDInternal Medicine Physician
101270430VAMDInternal Medicine Physician
MD61090728WAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Doctor on Demand Professionals P C CurrentSince Sep 18, 2023 Accepting new patients
North Shore-Lij Medical PC Internal Medicine CurrentSince Aug 17, 2016 Accepting new patients
Gibson Community Hospital Association Past Accepting new patients

Locations

1 California St
Ste 2300
San Francisco, CA 94111
Phone (800) 929-0926

3033 Campus Dr
Ste W225
Plymouth, MN 55441
Phone 4155043838 ext. 9238

80 State St
Albany, NY 12207
Phone (415) 742-8411

250 E Main St
Bay Shore, NY 11706
Phone (631) 390-7100

32 E Main St
Bay Shore, NY 11706
Phone (631) 470-1450

300 Community Dr
Manhasset, NY 11030

972 Brush Hollow Rd
Westbury, NY 11590

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1363737600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787270400000",
    "number": "1205178969",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "71 WASHINGTON ST",
            "city": "BABYLON",
            "state": "NY",
            "postal_code": "117021817",
            "telephone_number": "860-985-1279",
            "fax_number": "631-532-4924"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "631 MONTAUK HWY STE 1B",
            "city": "WEST ISLIP",
            "state": "NY",
            "postal_code": "117954400",
            "telephone_number": "631-306-4607",
            "fax_number": "631-532-4924"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ROWAN",
        "first_name": "KATHERINE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-03-20",
        "last_updated": "2026-08-21",
        "certification_date": "2026-08-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "278179",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in West Islip, NY

Sources for this page

Verify at the official NPI Registry.