Peter Y Cai, M.D.

Primary specialty

Pediatric Urology PhysicianTaxonomy code 2088P0231X

License

1023479 Issued in MA

Practice address

300 Longwood Ave
Boston, MA 02115-5724

Phone

(617) 355-6000

NPI assigned

Mar 25, 2016

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in MA

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: pcai157086@direct.nemours.org
• Direct secure messaging: pcai34887@direct.bostonchildrens.org

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.

• Children'S Urological Foundation

  • Urology Physician
  • Boston, MA
  • NPI 1144234055

  Pediatric Urology

  Medicare reassignment NPD
• Ny Presbyterian Hospital - Cornell

  • Long Term Care Hospital
  • New York, NY
  • NPI 1083918221
  NPD (past)

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

{
    "created_epoch": "1458864000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750377600000",
    "number": "1093177339",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 LONGWOOD AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021155724",
            "telephone_number": "617-355-6000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 LONGWOOD AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021155724",
            "telephone_number": "617-355-6000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CAI",
        "first_name": "PETER",
        "middle_name": "Y",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2016-03-25",
        "last_updated": "2025-06-20",
        "certification_date": "2025-06-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2088P0231X",
            "taxonomy_group": "",
            "desc": "Urology, Pediatric Urology",
            "state": "MA",
            "license": "1023479",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jennifer A Cahoon, M.AC.
• Alice Cai, M.D.
• Christopher Cai, MD
• Jason Cai, MD
• Li Li Cai, LIC. AC.
• Xuemei Cai, M.D.
• Carlos Caicedo
• Johanna Caicedo, M.D
• Marco Leonardo Caicedo, MD
• Pierre Caidor, DISPENSING OPTICIAN

• Pediatric Urology Physician in Boston, MA
• Providers in Boston, MA by specialty
• Pediatric Urology Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 20, 2025; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.