JOANNA CHIEH JEN MD
NPI 1407879216
Psychiatry & Neurology - Neurology in Los Angeles, CA

Active since July 25, 2006PECOS EnrolledAccepts Medicare Assignment
300 MEDICAL PLAZA, #B200, LOS ANGELES, CA 90095(310) 794-1195 Get Directions Write a Review

NPPES record last updated: October 21, 2010. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Joanna Chieh Jen Md NPPES

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

JOANNA CHIEH JEN MD (NPI 1407879216) is an individual neurology provider in Los Angeles, California, licensed in California (G78644) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Overlook Medical Center, and is a graduate of Yale University School Of Medicine (1992).

NPPES Registry Identity

NPI1407879216
Entity TypeIndividualFemale
Primary Taxonomy2084N0400X
Provider Legal NameJOANNA CHIEH JENCredential: MD
Location Address300 MEDICAL PLAZA, #B200Los Angeles, CA 90095
Mailing Address5767 W Century Blvd, Suite 400Los Angeles, CA 90045-5631
Sole ProprietorNo
Medical School CMSYale University School Of MedicineGraduated 1992
Enumeration DateJuly 25, 2006
Last NPPES UpdateOctober 21, 2010
NPI 1407879216 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 · G78644
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.

300 MEDICAL PLAZA, Los Angeles, CA 90095

Other Identifiers 3

Medicaid00G786440CA
Medicare UPING34564CA
Medicare PINWG78644ACA

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

Joanna Chieh Jen Md 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 ID7911056510
PECOS Enrollment IDI20171207001003
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 10

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.

Established patient office or other outpatient visit, 40-54 minutes 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.
115 services81 patients
Repositioning exercises of head for treatment of dizziness, each day 95992
Repositioning exercises of the head help manage dizziness by training your brain to cope with the signals that trigger this sensation. Daily, gentle movements of the head and body can reduce symptoms and improve balance.
55 services41 patients
New patient office or other outpatient visit, 60-74 minutes 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
42 services42 patients
Repositioning exercises of head for treatment of dizziness, each day 95992
Repositioning exercises of the head help manage dizziness by training your brain to cope with the signals that trigger this sensation. Daily, gentle movements of the head and body can reduce symptoms and improve balance.
34 services30 patients
Established patient office or other outpatient visit, 40-54 minutes 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.
31 services26 patients
Established patient office or other outpatient visit, 30-39 minutes 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.
25 services24 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Overlook Medical Center

Acute Care Hospitals · Summit, NJ
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310051
Location99 Beauvoir AvenueSummit, NJ 07901 · Union County
Emergency services Birthing friendly

Mount Sinai Hospital

Acute Care Hospitals · New York, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330024
LocationOne Gustave L Levy PlaceNew York, NY 10029 · New York County
Emergency services Birthing friendly

Mount Sinai Beth Israel

Acute Care Hospitals · New York, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330169
LocationFirst Avenue At 16th StreetNew York, NY 10003 · New York County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90095 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.

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.

Psychiatry & Neurology (Neurology)
300 MEDICAL PLAZA, SUITE B200
LOS ANGELES, CA 90095
Psychiatry & Neurology (Psychiatry)
300 MEDICAL PLAZA
LOS ANGELES, CA 90095
Neurological Surgery
300 MEDICAL PLAZA, #200
LOS ANGELES, CA 90095
Neurological Surgery
300 MEDICAL PLAZA, #200
LOS ANGELES, CA 90095
Psychiatry & Neurology (Neurology)
300 MEDICAL PLAZA, #B200
LOS ANGELES, CA 90095
Psychiatry & Neurology (Neurology)
300 MEDICAL PLAZA, #B200
LOS ANGELES, CA 90095
Psychiatry & Neurology (Neurology)
300 MEDICAL PLAZA, #B200
LOS ANGELES, CA 90095
Psychiatry & Neurology (Neurology)
300 MEDICAL PLAZA, #B200
LOS ANGELES, CA 90095

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 Joanna Jen's NPI number?

The NPI number for Joanna Jen is 1407879216. It was assigned to this individual provider in the NPPES registry on July 25, 2006.

Where is Joanna Jen located?

Joanna Jen practices at 300 Medical Plaza #b200, Los Angeles, CA 90095. The listed phone number is (310) 794-1195.

What is Joanna Jen's specialty?

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

Is Joanna Jen enrolled in Medicare?

Yes. Joanna Jen 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.

Is Joanna Jen affiliated with any hospitals?

According to CMS data, Joanna Jen is affiliated with Overlook Medical Center, Mount Sinai Hospital and Mount Sinai Beth Israel.

When was this NPI record last updated?

The NPPES record for Joanna Jen was last updated on October 21, 2010. NPI Profile syncs with the weekly NPPES data releases published by CMS.