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RETINAL DIAGNOSTIC CENTER A MEDICAL CORPORATION
NPI 1518030568
Ophthalmology in Campbell, CA

Active since November 16, 2006CLIA 05D1073861 · Waiver
3395 S. BASCOM AVE., SUITE 140, CAMPBELL, CA 95008(408) 559-0666(408) 963-5920 Get Directions Write a Review

NPPES record last updated: November 18, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 18, 2025, Jul 19, 2023, Aug 8, 2022 (3 updates tracked since 2022).

About Retinal Diagnostic Center A Medical Corporation NPPES

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

RETINAL DIAGNOSTIC CENTER A MEDICAL CORPORATION (NPI 1518030568) is a healthcare organization registered as an ophthalmology in Campbell, California and active in the NPI registry since November 2006. The organization holds a CLIA Waiver certificate valid through September 17, 2027 and lists Tim Kelley, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1518030568
Entity TypeOrganization
Primary Taxonomy207W00000X
Legal Business NameRETINAL DIAGNOSTIC CENTER A MEDICAL CORPORATION
Location Address3395 S. BASCOM AVE., SUITE 140Campbell, CA 95008
Mailing Address3395 S. Bascom Ave., Suite 140Campbell, CA 95008 · (408) 559-0666 · Fax (408) 963-5920
Phone(408) 559-0666
Fax(408) 963-5920
Organization SubpartNo
Authorized OfficialTim KelleyOffice Manager · (408) 559-0666
Enumeration DateNovember 16, 2006
Last NPPES UpdateNovember 18, 20253 updates tracked since enumeration
NPPES CertifiedNovember 18, 2025
✔ NPI 1518030568 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
3395 S. BASCOM AVE., Campbell, CA 95008
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Other Identifiers 4

Medicaid00G838240CA
Medicaid00G607230CA
Medicaid00C370860CA
Medicaid00A538890CA

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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Retinal Diagnostic Center A Medical Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

6

Medicare enrollment records show 6 clinicians reassign Medicare billing to Retinal Diagnostic Center A Medical Corporation, which bills Medicare for the services they deliver. Of these, 4 practice at this address. They are listed nearest first.

Clinicians, nearest first (6)

Howard Chen, MD
Ophthalmology
NPI 1699763748
3395 S BASCOM AVE STE 140
Campbell, CA 95008
(408) 559-0666
✔ PECOS✔ Accepts MedicareSame address
Clement Chow, M.D.
Ophthalmology
NPI 1265606461
3395 S BASCOM AVE SUITE 140
Campbell, CA 95008
(408) 559-0666
✔ PECOS✔ Accepts MedicareSame address
Amr Dessouki, MD
Ophthalmology
NPI 1013905389
3395 S BASCOM AVE STE 140
Campbell, CA 95008
(408) 559-0666
✔ PECOS✔ Accepts MedicareSame address
Lingmin He, M.D.
Ophthalmology
NPI 1730405184
3395 S BASCOM AVE SUITE 140
Campbell, CA 95008
(408) 559-0666
✔ PECOS✔ Accepts MedicareSame address
Quan Hoang, MD, PHD
Ophthalmology
NPI 1033314257
300 PASTEUR DR
Stanford, CA 94305
(650) 723-4000
✔ PECOS✔ Accepts Medicare17 mi
Reema Syed, MD
Ophthalmology
NPI 1578806972
1450 SAN PABLO ST FL 4
Los Angeles, CA 90033
(323) 442-6335
✔ PECOS✔ Accepts Medicare305 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 05D1073861

Retinal Diagnostic Center · Campbell, CA
Active · expires Sep 17, 2027
CLIA Number05D1073861
Laboratory TypePhysician Office
Certificate Effective DateSeptember 18, 2025
Certificate Expiration DateSeptember 17, 2027
Laboratory DirectorAmr A. Dessouki, MD
Laboratory Phone(408) 559-0666
Laboratory LocationRetinal Diagnostic Center3395 S Bascom Ave Ste 140, Campbell, CA 95008
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Retinal Diagnostic Center A Medical Corporation's NPI number?

The NPI number for Retinal Diagnostic Center A Medical Corporation is 1518030568. It was assigned to this organization in the NPPES registry on November 16, 2006.

Where is Retinal Diagnostic Center A Medical Corporation located?

Retinal Diagnostic Center A Medical Corporation is located at 3395 S. Bascom Ave. Suite 140, Campbell, CA 95008. The listed phone number is (408) 559-0666.

What is Retinal Diagnostic Center A Medical Corporation's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Retinal Diagnostic Center A Medical Corporation enrolled in Medicare?

Yes. Retinal Diagnostic Center A Medical Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Retinal Diagnostic Center A Medical Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians, all in Ophthalmology, reassign their Medicare billing to Retinal Diagnostic Center A Medical Corporation. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 4 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Retinal Diagnostic Center A Medical Corporation hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D1073861) is associated with this NPI, valid through September 17, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Retinal Diagnostic Center A Medical Corporation was last updated on November 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.