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HONG S. KIM, M.D., INC
NPI 1245421353
Internal Medicine - Nephrology in Garden Grove, CA

Active since August 05, 2007
12665 GARDEN GROVE BLVD STE 503, GARDEN GROVE, CA 92843(714) 530-3740(714) 530-0582 Get Directions Write a Review

NPPES record last updated: November 7, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Hong S. Kim, M.d., Inc NPPES

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

HONG S. KIM, M.D., INC (NPI 1245421353) is a healthcare organization registered as a nephrology in Garden Grove, California and active in the NPI registry since August 2007. The organization lists Hong S Kim, Owner, as its authorized official.

NPPES Registry Identity

NPI1245421353
Entity TypeOrganization
Primary Taxonomy207RN0300X
Legal Business NameHONG S. KIM, M.D., INC
Location Address12665 GARDEN GROVE BLVD STE 503Garden Grove, CA 92843-1919
Mailing Address12665 Garden Grove Blvd Ste 503Garden Grove, CA 92843-1919 · (714) 530-3740 · Fax (714) 530-0582
Phone(714) 530-3740
Fax(714) 530-0582
Organization SubpartNo
Authorized OfficialHong S KimOwner · (714) 530-3740
Enumeration DateAugust 5, 2007
Last NPPES UpdateNovember 7, 2013
✔ NPI 1245421353 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in CA · A45579
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
12665 GARDEN GROVE BLVD STE 503, Garden Grove, CA 92843
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Other Identifiers 1

Medicare PINW14476CA

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)

Hong S. Kim, M.d., Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Hong S. Kim, M.D., Inc, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Wonhee Lee
Nurse Practitioner
NPI 1407338585
12665 GARDEN GROVE BLVD STE 503
Garden Grove, CA 92843
(714) 530-3740
✔ PECOS0.1 mi
Hong Kim, M.D.
Internal Medicine
NPI 1396727764
12665 GARDEN GROVE BLVD SUITE 503
Garden Grove, CA 92843
(714) 530-3740
✔ PECOS✔ Accepts Medicare0.1 mi

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

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 Hong S. Kim, M.D., Inc's NPI number?

The NPI number for Hong S. Kim, M.D., Inc is 1245421353. It was assigned to this organization in the NPPES registry on August 5, 2007.

Where is Hong S. Kim, M.D., Inc located?

Hong S. Kim, M.D., Inc is located at 12665 Garden Grove Blvd Ste 503, Garden Grove, CA 92843. The listed phone number is (714) 530-3740.

What is Hong S. Kim, M.D., Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Hong S. Kim, M.D., Inc enrolled in Medicare?

Yes. Hong S. Kim, M.D., Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Hong S. Kim, M.D., Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Hong S. Kim, M.D., Inc, in Internal Medicine and Nurse Practitioner. 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, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Hong S. Kim, M.D., Inc was last updated on November 7, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.