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DR. JOHN W CHEN M.D.
NPI 1841210846
Psychiatry & Neurology - Neurology in Orange, CA

Active since July 20, 2006PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
2617 E CHAPMAN AVE STE 101, ORANGE, CA 92869(714) 202-0218(714) 832-8233 Get Directions Write a Review

NPPES record last updated: November 20, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. John W Chen M.d. NPPES

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

DR. JOHN W CHEN M.D. (NPI 1841210846) is an individual neurology provider in Orange, California, licensed in California (G81195) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Michigan Medical School (1993).

NPPES Registry Identity

NPI1841210846
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameDR. JOHN W CHENCredential: M.D.
Location Address2617 E CHAPMAN AVE STE 101Orange, CA 92869-3251
Mailing Address2617 E Chapman Ave Ste 101Orange, CA 92869-3251 · (714) 202-0218 · Fax (714) 832-8233
Phone(714) 202-0218
Fax(714) 832-8233
Sole ProprietorNo
Medical School CMSUniversity Of Michigan Medical SchoolGraduated 1993
Enumeration DateJuly 20, 2006
Last NPPES UpdateNovember 20, 2025
NPPES CertifiedNovember 20, 2025
✔ NPI 1841210846 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in CA · G81195
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
2617 E CHAPMAN AVE STE 101, Orange, CA 92869
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Other Names 1

Other Name (5)Dr. John Wyne-chung Chen M.d.

Other Identifiers 2

Medicaid00G811950177CA
OtherZZZ78036YCA · Blue Programs

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. John W Chen M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5991966202
PECOS Enrollment IDI20120413000198
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.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
236 services50 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
205 services112 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
96 services70 patients
Measurement of brain wave activity (eeg), awake and asleep 95819
The measurement of brain wave activity, known as an EEG, records the brain's electrical signals. It's performed when you're awake and asleep to monitor your brain's functioning. It helps in diagnosing conditions like epilepsy, sleep disorders, and other neurological issues.
55 services48 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
47 services44 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
20 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92869 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality81.14
Improvement Activities40

Reported Quality Measures

Advance Care Plan
97%395 patients4/55-star benchmark: 100%
Assessment of Mood Disorders and Psychosis for Patients with Parkinson's Disease
100%21 patients
Dementia: Education and Support of Caregivers for Patients with Dementia
95%42 patients
Dementia: Functional Status Assessment
99%82 patients
Dementia: Safety Concern Screening and Follow-Up for Patients with Dementia
97%73 patients
Documentation of Current Medications in the Medical Record
100%1,938 patients5/55-star benchmark: 100%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
93%754 patients4/55-star benchmark: 100%
Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
100%1,916 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES

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

ELITE NEUROLOGY OF ORANGE COUNTY
Psychiatry & Neurology (Neurology)
2617 E CHAPMAN AVE STE 101
ORANGE, CA 92869
Orange County (714) 202-0218

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 John Chen's NPI number?

The NPI number for John Chen is 1841210846. It was assigned to this individual provider in the NPPES registry on July 20, 2006. The provider is also known as Dr. John Wyne-Chung Chen M.D..

Where is John Chen located?

John Chen practices at 2617 E Chapman Ave Ste 101, Orange, CA 92869. The listed phone number is (714) 202-0218.

What is John Chen's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is John Chen enrolled in Medicare?

Yes. John Chen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for John Chen was last updated on November 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.