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FRIENDS MEDICAL GROUP INC.
NPI 1982797684
Internal Medicine in Buena Park, CA

Active since October 02, 2006
5832 BEACH BLVD UNIT 214, BUENA PARK, CA 90621(714) 523-7575(714) 523-7585 Get Directions Write a Review

NPPES record last updated: March 17, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 17, 2025, Aug 22, 2020 (2 updates tracked since 2020).

About Friends Medical Group Inc. NPPES

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

FRIENDS MEDICAL GROUP INC. (NPI 1982797684) is a healthcare organization registered as an internal medicine in Buena Park, California and active in the NPI registry since October 2006. The organization lists Grace E Yoon, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1982797684
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameFRIENDS MEDICAL GROUP INC.
Location Address5832 BEACH BLVD UNIT 214Buena Park, CA 90621-5501
Mailing Address5832 Beach Blvd Unit 214Buena Park, CA 90621-5501 · (714) 523-7575 · Fax (714) 523-7585
Phone(714) 523-7575
Fax(714) 523-7585
Organization SubpartNo
Authorized OfficialGrace E YoonOffice Manager · (714) 523-7575
Enumeration DateOctober 2, 2006
Last NPPES UpdateMarch 17, 20252 updates tracked since enumeration
NPPES CertifiedMarch 17, 2025
✔ NPI 1982797684 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
5832 BEACH BLVD UNIT 214, Buena Park, CA 90621
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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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Friends Medical Group Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Friends Medical Group Inc., which bills Medicare for the services they deliver. Of these, 3 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Paul Chang, M.D.
Internal Medicine
NPI 1487627261
5832 BEACH BLVD UNIT 214
Buena Park, CA 90621
(714) 523-7575
✔ PECOS✔ Accepts MedicareSame address
Richard Han, M.D.
Internal Medicine
NPI 1821061466
5832 BEACH BLVD UNIT 214
Buena Park, CA 90621
(714) 523-7575
✔ PECOS✔ Accepts MedicareSame address
Hoon Hong, M.D.
Internal Medicine
NPI 1790758647
5832 BEACH BLVD UNIT 214
Buena Park, CA 90621
(714) 523-7575
✔ 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 05D1031051

Friends Medical Group Inc · Buena Park, CA
Expired · Sep 21, 2026
CLIA Number05D1031051
Laboratory TypePhysician Office
Certificate Effective DateSeptember 22, 2024
Certificate Expiration DateSeptember 21, 2026
Laboratory DirectorHoon G. Hong MD
Laboratory Phone(714) 523-7575
Laboratory LocationFriends Medical Group Inc5832 Beach Blvd Ste 214, Buena Park, CA 90621
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 Friends Medical Group Inc.'s NPI number?

The NPI number for Friends Medical Group Inc. is 1982797684. It was assigned to this organization in the NPPES registry on October 2, 2006.

Where is Friends Medical Group Inc. located?

Friends Medical Group Inc. is located at 5832 Beach Blvd Unit 214, Buena Park, CA 90621. The listed phone number is (714) 523-7575.

What is Friends Medical Group Inc.'s specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Friends Medical Group Inc. enrolled in Medicare?

Yes. Friends Medical Group Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Friends Medical Group Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians, all in Internal Medicine, reassign their Medicare billing to Friends Medical Group Inc.. 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, 3 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Friends Medical Group Inc. was last updated on March 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.