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PROTON DOCTORS PROFESSIONAL CORPORATION
NPI 1093240285
Radiology - Radiation Oncology in San Diego, CA

Active since April 25, 2017CLIA 05D2148257 · Waiver
9730 SUMMERS RIDGE RD, SAN DIEGO, CA 92121(858) 549-7400 Get Directions Write a Review

NPPES record last updated: August 21, 2017. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 21, 2017, Apr 25, 2017 (2 updates tracked since 2017).

About Proton Doctors Professional Corporation NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PROTON DOCTORS PROFESSIONAL CORPORATION (NPI 1093240285) is a healthcare organization registered as a radiation oncology in San Diego, California and active in the NPI registry since April 2017. The organization holds a CLIA Waiver certificate valid through May 6, 2028 and lists Andrew L Chang, President, as its authorized official.

NPPES Registry Identity

NPI1093240285
Entity TypeOrganization
Primary Taxonomy2085R0001X
Legal Business NamePROTON DOCTORS PROFESSIONAL CORPORATION
Location Address9730 SUMMERS RIDGE RDSan Diego, CA 92121-3101
Mailing AddressPo Box 270219San Diego, CA 92198-2219
Phone(858) 549-7400
Organization SubpartNo
Authorized OfficialAndrew L ChangPresident · (951) 533-4889
Enumeration DateApril 25, 2017
Last NPPES UpdateAugust 21, 20172 updates tracked since enumeration
✔ NPI 1093240285 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
9730 SUMMERS RIDGE RD, San Diego, CA 92121
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2148257

Proton Doctors Professional Corporation California Protons · San Diego, CA
Active · expires May 6, 2028
CLIA Number05D2148257
Laboratory TypePhysician Office
Certificate Effective DateMay 7, 2026
Certificate Expiration DateMay 6, 2028
Laboratory DirectorCarl Rossi
Laboratory Phone(858) 549-7400
Laboratory LocationProton Doctors Professional Corporation California Protons9730 Summers Ridge Rd, San Diego, CA 92121
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SCRIPPS CLINIC MEDICAL GROUP, INC
Radiology (Radiation Oncology)
9730 SUMMERS RIDGE RD, PTC-100
SAN DIEGO, CA 92121
San Diego County (858) 549-7400
PROTON CENTER DEVELOPMENT CORPORATION
Radiology (Radiation Oncology)
9730 SUMMERS RIDGE RD
SAN DIEGO, CA 92121
San Diego County (858) 549-7400
ANDREW LUKE CHANG M.D.
Radiology (Radiation Oncology)
9730 SUMMERS RIDGE RD
SAN DIEGO, CA 92121
San Diego County (858) 549-7400
DR. IAIN JACOB MACEWAN M.D.
Radiology (Radiation Oncology)
9730 SUMMERS RIDGE RD
SAN DIEGO, CA 92121
San Diego County (858) 822-4048
CARL ROSSI M.D.
Radiology (Radiation Oncology)
9730 SUMMERS RIDGE RD, SCRIPPS PROTON THERAPY CENTER
SAN DIEGO, CA 92121
San Diego County (858) 549-7522
DR. JEHEE ISABELLE CHOI MD
Radiology (Radiation Oncology)
9730 SUMMERS RIDGE RD
SAN DIEGO, CA 92121
San Diego County (858) 549-7411
DR. BRIAN CHOU MD
Radiology (Radiation Oncology)
9730 SUMMERS RIDGE RD
SAN DIEGO, CA 92121
San Diego County (858) 299-5982
ATMARAM S PAI PANANDIKER MD
Radiology (Radiation Oncology)
9730 SUMMERS RIDGE RD
SAN DIEGO, CA 92121
San Diego County (503) 989-3483

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Proton Doctors Professional Corporation's NPI number?

The NPI number for Proton Doctors Professional Corporation is 1093240285. It was assigned to this organization in the NPPES registry on April 25, 2017.

Where is Proton Doctors Professional Corporation located?

Proton Doctors Professional Corporation is located at 9730 Summers Ridge Rd, San Diego, CA 92121. The listed phone number is (858) 549-7400.

What is Proton Doctors Professional Corporation's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Does Proton Doctors Professional Corporation hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2148257) is associated with this NPI, valid through May 6, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Proton Doctors Professional Corporation was last updated on August 21, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.