Individual provider Active NPI

Kathleen O'Day Riewe, M.D.

  • Pediatrics Physician
  • Princeton, NJ
National Provider Identifier
1851596902
Registry record updated Feb 6, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatrics PhysicianTaxonomy code 208000000X
License
25MA08537700 Issued in NJ
Practice address
301 N Harrison St
Princeton, NJ 08540-3512
Phone
(609) 924-5510
NPI assigned
Jun 19, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 6, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X 25MA08537700 NJ Primary

Addresses

Primary practice location

301 N Harrison St
Princeton, NJ 08540-3512

Mailing address

301 N Harrison St
Princeton, NJ 08540-3512
Phone (609) 924-5510

Other practice location 1

71 4th St
Somerville, NJ 08876-3235
Phone (908) 526-2335

Other names 1

  • Kathleen O'Day Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NJ
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
I20240112004273 NJ Order and Referring Only - Pediatric MedicinePractitioner - Pediatric Medicine 4284727694

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
25MA08537700NJMDPediatrics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Zufall Health Center,Inc Past Accepting new patients

Organizations & group practices 1

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

NPI Registry JSON

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

{
    "created_epoch": "1182211200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770336000000",
    "number": "1851596902",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "301 N HARRISON ST",
            "city": "PRINCETON",
            "state": "NJ",
            "postal_code": "085403512",
            "telephone_number": "609-924-5510"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "301 N HARRISON ST",
            "city": "PRINCETON",
            "state": "NJ",
            "postal_code": "085403512",
            "telephone_number": "609-924-5510"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "71 4th St",
            "address_purpose": "LOCATION",
            "city": "Somerville",
            "state": "NJ",
            "postal_code": "088763235",
            "country_code": "US",
            "telephone_number": "908-526-2335",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RIEWE",
        "first_name": "KATHLEEN",
        "middle_name": "O'DAY",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-06-19",
        "last_updated": "2026-02-06",
        "certification_date": "2026-02-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "NJ",
            "license": "25MA08537700",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "KATHLEEN",
            "last_name": "O'DAY",
            "credential": "M.D.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Princeton, NJ

Sources for this page

Verify at the official NPI Registry.