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DR. JUSTIN RAY CHEN M.D.
NPI 1962728642
Allergy & Immunology in Longview, TX

Active since April 20, 2010PECOS EnrolledAccepts Medicare Assignment
1009 N 4TH ST STE A, LONGVIEW, TX 75601(903) 757-3808(903) 757-3893 Get Directions Write a Review

NPPES record last updated: September 23, 2019. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 23, 2019, Mar 17, 2018, Jul 24, 2017 (3 updates tracked since 2017).

About Dr. Justin Ray Chen M.d. NPPES

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

DR. JUSTIN RAY CHEN M.D. (NPI 1962728642) is an individual allergy & immunology provider in Longview, Texas, licensed in Texas (Q0616) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS, is affiliated with Christus Good Shepherd Medical Center, and is a graduate of University Of Texas Southwestern Medical School At Dallas (2010).

NPPES Registry Identity

NPI1962728642
Entity TypeIndividualMale
Primary Taxonomy207K00000X
Provider Legal NameDR. JUSTIN RAY CHENCredential: M.D.
Location Address1009 N 4TH ST STE ALongview, TX 75601-4768
Mailing AddressPo Box 610393Dallas, TX 75261-0393 · (903) 291-6187 · Fax (903) 237-1810
Phone(903) 757-3808
Fax(903) 757-3893
Sole ProprietorNo
Medical School CMSUniversity Of Texas Southwestern Medical School At DallasGraduated 2010
Enumeration DateApril 20, 2010
Last NPPES UpdateSeptember 23, 20193 updates tracked since enumeration
✔ NPI 1962728642 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in TX · Q0616
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
Also ListedInternal MedicineTaxonomy 207R00000X · License Q0616 (TX)
1009 N 4TH ST STE A, Longview, TX 75601
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Other Identifiers 1

Medicaid341689306TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

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. Justin Ray 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 ID3375866031
PECOS Enrollment IDI20150105000447
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 9

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.

Professional service for preparation and provision of 1 or more antigens 95165
This service involves the creation and supply of antigens, substances that stimulate your immune system to fight diseases. These antigens can be used in vaccines or allergy tests to help your body build defenses against specific health threats.
1,058 services41 patients
Test for allergy using allergenic extract 95004
An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.
692 services12 patients
Professional service for single injection of allergen 95115
A single allergen injection is a procedure where a small amount of a specific allergen is injected into your body. This is done to test your body's reaction to the allergen or to help your immune system become less sensitive to it, reducing allergic symptoms.
535 services41 patients
Professional service for multiple injections of allergen 95117
The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.
150 services11 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
147 services12 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
100 services84 patients

Hospital Affiliations CMS Care Compare

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

Christus Good Shepherd Medical Center

Acute Care Hospitals · Longview, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450032
Location700 E Marshall AveLongview, TX 75601 · Gregg County
Emergency services Birthing friendly

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221
DME-Other DME · category DE017N
1 supplier12 claims45 services$18.44 avg. paid by Medicare
Injection, immune globulin (hizentra), 100 mg J1559
Treatment-Injections and Infusions (nononcologic) · category RI008N
1 supplier12 claims5,760 services$9.51 avg. paid by Medicare
Supplies for external non-insulin drug infusion pump, syringe type cartridge, sterile, each K0552
DME-Other DME · category DE000N
1 supplier12 claims50 services$2.38 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

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

EAST TEXAS ALLERGY & ASTHMA ASSOCIATES
Specialist
1009 N 4TH ST STE A
LONGVIEW, TX 75601
Gregg County (903) 757-3808
EMILY D WILLIAMS PA
Physician Assistant
1009 N 4TH ST STE A
LONGVIEW, TX 75601
Gregg County (903) 757-3808

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 Justin Chen's NPI number?

The NPI number for Justin Chen is 1962728642. It was assigned to this individual provider in the NPPES registry on April 20, 2010.

Where is Justin Chen located?

Justin Chen practices at 1009 N 4th St Ste A, Longview, TX 75601. The listed phone number is (903) 757-3808.

What is Justin Chen's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Justin Chen enrolled in Medicare?

Yes. Justin 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.

What insurance does Justin Chen accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 2 other insurers list Justin Chen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Justin Chen affiliated with any hospitals?

According to CMS data, Justin Chen is affiliated with Christus Good Shepherd Medical Center.

When was this NPI record last updated?

The NPPES record for Justin Chen was last updated on September 23, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.