NIHON CLINIC SD, A PROFESSIONAL CORPORATION
NPI 1275890022
Clinic/Center - Primary Care in San Diego, CA

Active since April 18, 2012CLIA 05D2065636 · Waiver
3762 CLAIREMONT DR, SAN DIEGO, CA 92117(858) 560-8910(858) 560-8011 Get Directions Write a Review

NPPES record last updated: February 8, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 8, 2024, May 12, 2023, Dec 10, 2021 (3 updates tracked since 2021).

About Nihon Clinic Sd, A Professional Corporation NPPES

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

NIHON CLINIC SD, A PROFESSIONAL CORPORATION (NPI 1275890022) is a healthcare organization registered as a primary care in San Diego, California and active in the NPI registry since April 2012. The organization holds a CLIA Waiver certificate valid through September 11, 2027 and lists Akiko Chen, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1275890022
Entity TypeOrganization
Primary Taxonomy261QP2300X
Legal Business NameNIHON CLINIC SD, A PROFESSIONAL CORPORATION
Location Address3762 CLAIREMONT DRSan Diego, CA 92117-5916
Mailing Address3762 Clairemont DrSan Diego, CA 92117-5916 · (858) 560-8910 · Fax (858) 560-8011
Fax(858) 560-8011
Organization SubpartNo
Authorized OfficialAkiko ChenOffice Manager · (858) 560-8910
Enumeration DateApril 18, 2012
Last NPPES UpdateFebruary 8, 20243 updates tracked since enumeration
NPPES CertifiedFebruary 8, 2024
✔ NPI 1275890022 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Primary CareAmbulatory Health Care Facilities
Taxonomy Code261QP2300X
3762 CLAIREMONT DR, San Diego, CA 92117

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nihon Clinic Sd, A Professional Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Nihon Clinic Sd, A Professional Corporation, which bills Medicare for the services this clinician delivers.

Clinician (1)

Internal Medicine
NPI 1346262896
3762 CLAIREMONT DR
San Diego, CA 92117
(858) 560-8910
✔ PECOS✔ Accepts MedicareSame address

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 05D2065636

Nihon Clinic Sd, A Professional Corporation · San Diego, CA
Active · expires Sep 11, 2027
CLIA Number05D2065636
Laboratory TypePhysician Office
Certificate Effective DateSeptember 12, 2025
Certificate Expiration DateSeptember 11, 2027
Laboratory DirectorIldong Kim, MD
Laboratory Phone(858) 560-8910
Laboratory LocationNihon Clinic Sd, A Professional Corporation3762 Clairemont Dr, San Diego, CA 92117
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 Nihon Clinic Sd, A Professional Corporation's NPI number?

The NPI number for Nihon Clinic Sd, A Professional Corporation is 1275890022. It was assigned to this organization in the NPPES registry on April 18, 2012.

Where is Nihon Clinic Sd, A Professional Corporation located?

Nihon Clinic Sd, A Professional Corporation is located at 3762 Clairemont Dr, San Diego, CA 92117. The listed phone number is (858) 560-8910.

What is Nihon Clinic Sd, A Professional Corporation's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.

Is Nihon Clinic Sd, A Professional Corporation enrolled in Medicare?

Yes. Nihon Clinic Sd, A Professional Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Nihon Clinic Sd, A Professional Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Nihon Clinic Sd, A Professional 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Nihon Clinic Sd, A Professional Corporation hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2065636) is associated with this NPI, valid through September 11, 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 Nihon Clinic Sd, A Professional Corporation was last updated on February 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.