Jefferson William Chen, MD PHD

Neurological Surgery

Jefferson William Chen is a Neurological Surgery specialist based in Orange, CA with over 39 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(714) 880-7812Orange, CA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Jefferson William Chen, MD PHD has practiced neurological surgery for 39+ years, working in group practice. He graduated from Johns Hopkins University School of Medicine in 1987 and has 39+ years of clinical experience. He regularly sees Medicare patients with hypertension, high cholesterol, and arthritis (per CMS claims data).

1 of 261 Neurological Surgery providers in CASee all Neurological Surgery in Orange39+ years experienceNPI since 2005

Older · 1297dNPPES updated 2022-11-03 · verify NPI on CMS · Verify license at Medical Board of California

Contact & Location

Practice Location

101 the City Dr S, Orange, CA 92868-3201

CMS Clinical Data

How Does This Doctor Compare?

Medicare Patients

175

Unique beneficiaries

Standard volume

Prescriptions Written

11

Total claims

Total Medicare drug cost: $1k

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

Patient Condition Panel

What This Doctor Treats Most

Based on Medicare claims data — here's what patients commonly see this doctor for

Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Arthritis.

Hypertension
75%

High blood pressure — a leading risk factor for heart disease and stroke

High Cholesterol
75%

Elevated cholesterol or triglycerides that increase heart disease risk

Arthritis
55%

Joint inflammation causing pain, swelling, and stiffness

Stroke / TIA
46%

Disrupted blood supply to the brain, requiring urgent medical attention

Diabetes
41%

A condition where the body cannot properly regulate blood sugar levels

Mood Disorders
41%

Conditions affecting emotional state, including depression and bipolar disorder

Ischemic Heart Disease
38%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

Depression
37%

A mood disorder causing persistent sadness and loss of interest in activities

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

Industry Payment Transparency

$16.8k received from industry

4 transactions reported in 2018 ·High tier

View on CMS Open Payments →

Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.

Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2018, attributed to Jefferson William Chen's NPI.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 1987

    Johns Hopkins University School of Medicine

  2. Board certified · Nov 2, 2022

    Self-reported via NPPES

  3. 39 years in practice

    Senior practitioner

Neurological SurgeryAllopathic & Osteopathic Physicians

A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.

Taxonomy: 207T00000X

Education & Training

Johns Hopkins University School of Medicine (Class of 1987)

Practice Footprint

Mailing address

200 S Manchester Ave Ste 300, Orange, CA 92868-3219

Differs from practice location

Primary hospital affiliation: Critical Access Hospitals

CMS Certification Number: 191308

View hospital on Medicare Care Compare

Virtual Neurological Surgery Care With Jefferson William Chen

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Jefferson William Chen for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Orange required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Jefferson William Chen

Dr. Chen is listed as active in the NPI registry with telehealth listed in Orange, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (714) 880-7812.

Verified across 5 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2018 · CMS Physician Comparator. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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