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Pediatrics Specialists in Diamond Bar, CA

Browse 5 Pediatrics 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 Pediatrics 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 Pediatrics 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 Registry addresses can be out of date.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. Wilfredo Alejo , MD

Pediatrics

Active NPI Status
1514 Valley Vista Dr, Diamond Bar, CA 91765
Phone: 9098601144
NPI Identifier 1114990785
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Dr. Jing Chen , MD

Pediatrics

Active NPI Status
1514 Valley Vista Dr, Diamond Bar, CA 917653929
Phone: 9098601144
NPI Identifier 1699208942
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Dr. Sandra A Mathur , DO

Pediatrics

Active NPI Status
1514 Valley Vista Dr, Diamond Bar, CA 917653929
Phone: 9098601144
NPI Identifier 1841250974
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Dr. Tiffany Thanh Nguyen , MD, MS

Pediatrics

Active NPI Status
888 Brea Canyon Rd Ste 330, Diamond Bar, CA 917893095
Phone: 9095943382
NPI Identifier 1356083927
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Dr. Rama S Venkat , MD

Pediatrics

Active NPI Status
3220 S Brea Canyon Rd Ste H, Diamond Bar, CA 917653481
Phone: 9095941848
NPI Identifier 1740340041
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Frequently Asked Questions about Pediatrics in Diamond Bar

How do I check a Pediatrics 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.

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