Independent US Healthcare Provider Directory & Public Medical Database Patient Guides
Medical Specialty Listing

General Practices in Diamond Bar, CA

Browse 5 General Practice providers listed in NPPES with a practice address in Diamond Bar, California.

5 Healthcare Providers

How Diamond Bar compares with the U.S.

5 active clinicians in General Practice list a practice address in Diamond Bar, CA in the NPI registry.

With fewer than 10 clinicians, rates per 100,000 residents are not reliable enough to compare.

Too few clinicians in General Practice in Diamond Bar are listed in the CMS Medicare file to report Medicare assignment or telehealth shares.

These figures summarize public federal data. They do not measure quality of care, appointment availability, or whether a clinician accepts your insurance or new patients. Registry addresses can be out of date. Please confirm details directly with the office and your plan. This information is not medical advice.

Prepared by T-MedInfo from NPPES, CMS and U.S. Census Bureau data. Questions or corrections: support@true-medinfo.com ยท Methodology

Sources: Clinician counts and practice addresses: NPPES NPI Registry, Centers for Medicare & Medicaid Services (CMS), data as of August 2026.

Showing 1โ€“5 of 5 providers
With recent CMS data first, then Aโ€“Z

Dr. John G. Ang , MD

General Practice

Active NPI Status
23525 Golden Springs Dr, Suite A, Diamond Bar, CA 917652175
Phone: 9098616828
NPI Identifier 1326196114
View Full Profile

Dr. Amr Beltagui , MD

General Practice

Active NPI Status
21700 Copley Dr Ste 180, Diamond Bar, CA 917654434
Phone: 9093456000
NPI Identifier 1770897357
View Full Profile

Dr. Beau Michael Chung , DO

General Practice

Active NPI Status Accepts Medicare Assignment
3220 S Brea Canyon Rd, Suite H, Diamond Bar, CA 917653481
Phone: 9095941848
NPI Identifier 1841746799
View Full Profile

Dr. Sushma Bahl , MD

General Practice

Active NPI Status
21671 Gateway Center Dr, Suite #101, Diamond Bar, CA 917652461
Phone: 9093969100
NPI Identifier 1932217056
View Full Profile

Dr. Yvonne Hou , MD

General Practice

Active NPI Status
1033 Hourglass Pl, Diamond Bar, CA 917654277
Phone: 9098618361
NPI Identifier 1720265887
View Full Profile

Frequently Asked Questions about General Practice in Diamond Bar

How do I check a General Practice practitioner's license?

Each practitioner profile shows the NUCC taxonomy code and any state license number the practitioner reported to NPPES, plus a link to the California licensing board lookup. NPPES entries are self-reported; current license status is published only by the state board.

Why is a practitioner missing from this list?

This list shows NPI records that are active in NPPES. A deactivated NPI keeps its profile with the deactivation date and practice history; find it with the site search by name or NPI number.

Other Specialties in Diamond Bar

General Practices in Other California Cities

Cities with the most listed practitioners first.