Michael C Ruddy, M.D.

Primary specialty

SpecialistTaxonomy code 174400000X

License

MA31313 Issued in NJ

Practice address

88 Princeton Hightstown Rd
Suite 203
Princeton Junction, NJ 08550-1100

Phone

(609) 750-7330

Fax

(609) 750-7336

NPI assigned

Jun 5, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 5

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

Specialty

Nephrology

Education

Rutgers New Jersey Medical School, 1974

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Princeton Hypertension-Nephrology Associates L L CGroup PAC ID 2365414588, 7 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• University Medical Center of Princeton at Plainsboro Hospital, Plainsboro, NJ, CCN 310010

Merit-based Incentive Payment System (MIPS)

Final score

100 of 100Reported as group

Quality

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Princeton Hypertension Nephrology Associates LLC

  • Specialist
  • Princeton Junction, NJ
  • NPI 1639124480
  Medicare reassignment Care Compare group NPD Authorized official

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

• Princeton Healthcare System, a New Jersey Non-Profit Corporation

  • General Acute Care Hospital
  • Plainsboro, NJ
  • NPI 1689714255
  Care Compare affiliation

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

{
    "created_epoch": "1149465600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1831138015",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "88 PRINCETON HIGHTSTOWN RD",
            "address_2": "SUITE 203",
            "city": "PRINCETON JUNCTION",
            "state": "NJ",
            "postal_code": "085501100",
            "telephone_number": "609-750-7330",
            "fax_number": "609-750-7336"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "88 PRINCETON HIGHTSTOWN RD",
            "address_2": "SUITE 203",
            "city": "PRINCETON JUNCTION",
            "state": "NJ",
            "postal_code": "085501100",
            "telephone_number": "609-750-7330",
            "fax_number": "609-750-7336"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RUDDY",
        "first_name": "MICHAEL",
        "middle_name": "C",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-05",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "NJ",
            "license": "MA31313",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AMERIHEALTH",
            "identifier": "0305250000",
            "state": "NJ"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CIGNA",
            "identifier": "08515008",
            "state": "NJ"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1214608",
            "state": "NJ"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HEALTH NET",
            "identifier": "1K7020",
            "state": "NJ"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "3144306",
            "state": "NJ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Vijay Somesh Rao
• Reboot Therapy LLC
• Rite Aid of New Jersey Inc
• Marion Rogers, LPC
• Arthur Ira Rosengarten, DDS
• Lynne H Ruff, M.D.
• Noah J Rusnak, LPC
• Marcia A Ryan, MA, LPC
• Senior Care of Princeton
• William Thomas Serverson III, A.T.C.

• Specialist in Princeton Junction, NJ
• Providers in Princeton Junction, NJ by specialty
• Specialist in New Jersey

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.