Proton Center Development Corporation

Primary specialty

Radiation Oncology PhysicianTaxonomy code 2085R0001X

Legal business name

PROTON CENTER DEVELOPMENT CORPORATION

Practice address

9730 Summers Ridge Rd
San Diego, CA 92121-3101

Phone

(858) 549-7400

NPI assigned

Apr 16, 2019

Last updated

Oct 23, 2025By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Andrew L Chang, MDNPI 1255513859

Title

Owner

Phone

(405) 773-6700

Specialties & licenses 1

Addresses

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Andrew Luke Chang, M.D.

  • Radiation Oncology Physician
  • San Diego, CA
  • NPI 1255513859
  NPD Authorized official

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

{
    "created_epoch": "1555372800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1761177600000",
    "number": "1174186175",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9730 SUMMERS RIDGE RD",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921213101",
            "telephone_number": "858-549-7400"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9730 SUMMERS RIDGE RD",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921213101",
            "telephone_number": "858-549-7400"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "PROTON CENTER DEVELOPMENT CORPORATION",
        "organizational_subpart": "NO",
        "enumeration_date": "2019-04-16",
        "last_updated": "2025-10-23",
        "certification_date": "2025-10-23",
        "status": "A",
        "authorized_official_last_name": "CHANG",
        "authorized_official_first_name": "ANDREW",
        "authorized_official_middle_name": "L",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "405-773-6700",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Radiology, Radiation Oncology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Prosperity Home Care LLC
• Prosperous Health San Diego, LLC (San Diego Transformation Center)
• Heather Prosser, NP
• Alisa Prostek, B.A. SLPA
• Protocol Intelligence Inc.
• Proton Doctors Professional Corporation
• Jocelyn C Protopappas, RDN, MSW, MPH
• Nicholas James Protopsaltis, MD, PHD
• Lucy Proudfoot
• David Proulx, DAVID PROULX

• Radiation Oncology Physician in San Diego, CA
• Providers in San Diego, CA by specialty
• Radiation Oncology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 23, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.