Dillon Y Chen, MD, PHD

Primary specialty

Neurology with Special Qualifications in Child Neurology PhysicianTaxonomy code 2084N0402X

License

80208 Issued in CT

Practice address

330 Cedar St
New Haven, CT 06510-3218

Phone

(203) 785-5708

NPI assigned

Apr 9, 2013

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in CT

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, Doctor of Philosophy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: dchen721149@direct.ynhh.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.

• Greenwich Hospital

  • General Acute Care Hospital
  • Greenwich, CT
  • NPI 1609846088
  Medicare reassignment NPD
• Yale University

  dba Yale Medicine

  • Anesthesiology Physician
  • New Haven, CT
  • NPI 1205822236
  Medicare reassignment NPD
• Greenwich Hospital

  • Community Based Hospice Care Agency
  • Stanford, CT
  • NPI 1073637724
  NPD
• Yale University

  • Durable Medical Equipment & Medical Supplies
  • Fairfield, CT
  • NPI 1548066962
  NPD

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

{
    "created_epoch": "1365465600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750723200000",
    "number": "1841633914",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "330 CEDAR ST",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065103218",
            "telephone_number": "203-785-5708"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "330 CEDAR ST",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065103218",
            "telephone_number": "203-785-5708"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHEN",
        "first_name": "DILLON",
        "middle_name": "Y",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-04-09",
        "last_updated": "2025-06-24",
        "certification_date": "2025-06-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0402X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology",
            "state": "CA",
            "license": "A133170",
            "primary": false
        },
        {
            "code": "2084N0402X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology",
            "state": "CT",
            "license": "80208",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Chemical Abuse Services Agency, Inc. (MAAS Day & OP Tx)
• Alissa Stephanie Chen, MD, MPH
• Andy Chen, M.D.
• Casandra Chen, MD
• Christine W Chen, M.D.
• Eaton Chen, MD
• Elaine Chen, MD
• Franklin Chen
• George Chen
• Isabella Yiroa Chen, DMD

• Neurology with Special Qualifications in Child Neurology Physician in New Haven, CT
• Providers in New Haven, CT by specialty
• Neurology with Special Qualifications in Child Neurology Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 24, 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.