DR. GEOFFREY CARSON CHENG MD
NPI 1003307687
Pediatrics - Pediatric Hematology-Oncology in Orange, CA

Q: What is Geoffrey Cheng's NPI number?

The NPI number for Geoffrey Cheng is 1003307687. It was assigned to this individual provider in the NPPES registry on May 19, 2018.

Q: What is Geoffrey Cheng's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Q: When was this NPI record last updated?

The NPPES record for Geoffrey Cheng was last updated on February 20, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since May 19, 2018PECOS Enrolled

1201 W LA VETA AVE, ORANGE, CA 92868(714) 509-8636(714) 509-8699 Get Directions Write a Review

NPPES record last updated: February 20, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 8, 2018, May 19, 2018 (2 updates tracked since 2018).

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About Dr. Geoffrey Carson Cheng Md NPPES

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

DR. GEOFFREY CARSON CHENG MD (NPI 1003307687) is an individual pediatric hematology-oncology provider in Orange, California, licensed in California (A174657) and active in the NPI registry since May 2018. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1003307687

Entity TypeIndividualMale

Primary Taxonomy2080P0207X

Provider Legal NameDR. GEOFFREY CARSON CHENGCredential: MD

Location Address1201 W LA VETA AVEOrange, CA 92868-4203

Mailing Address1201 W La Veta AveOrange, CA 92868-4203 · (714) 509-8636 · Fax (714) 509-8699

Phone(714) 509-8636

Fax(714) 509-8699

Sole ProprietorNo

Enumeration DateMay 19, 2018

Last NPPES UpdateFebruary 20, 20262 updates tracked since enumeration

NPPES CertifiedFebruary 20, 2026

✔ NPI 1003307687 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2080P0207X

License✔ Licensed in CA · A174657

Definition

A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.

1201 W LA VETA AVE, Orange, CA 92868

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Geoffrey Carson Cheng Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TRISHA JACKSON

Social Worker

1201 W LA VETA AVE
ORANGE, CA 92868

Orange County (714) 509-8521

CHILDREN'S HOSPITAL OF ORANGE COUNTY

Neurological Surgery

1201 W LA VETA AVE
ORANGE, CA 92868

Orange County (714) 509-8649

JULIAN THOMAS MD

Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)

1201 W LA VETA AVE
ORANGE, CA 92868

Orange County (714) 509-7601

BRIANNA JOY LEYDEN

Student in an Organized Health Care Education/Training Program

1201 W LA VETA AVE
ORANGE, CA 92868

Orange County (714) 997-3000

DR. MARNI CARMELA SWITKIN NAGEL PH.D.

Psychologist (Clinical Child & Adolescent)

1201 W LA VETA AVE, 503
ORANGE, CA 92868

Orange County (714) 532-8481

DR. DAINA DREIMANE MD

Pediatrics (Pediatric Endocrinology)

1201 W LA VETA AVE
ORANGE, CA 92868

Orange County (888) 770-2462

DR. SHARIEF KHALIL TARAMAN M.D.

Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)

1201 W LA VETA AVE, CHILDREN'S HOSPITAL OF ORANGE COUNTY, NEUROLOGY
ORANGE, CA 92868

Orange County (714) 509-7601

ALONDRA BERENISE SERRANO PHD

Psychologist

1201 W LA VETA AVE
ORANGE, CA 92868

Orange County (714) 509-8481

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 Geoffrey Cheng's NPI number?

The NPI number for Geoffrey Cheng is 1003307687. It was assigned to this individual provider in the NPPES registry on May 19, 2018.

Where is Geoffrey Cheng located?

Geoffrey Cheng practices at 1201 W La Veta Ave, Orange, CA 92868. The listed phone number is (714) 509-8636.

What is Geoffrey Cheng's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Is Geoffrey Cheng enrolled in Medicare?

Yes. Geoffrey Cheng is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Geoffrey Cheng was last updated on February 20, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.