LEX CHEN M.D.
NPI 1265607956
Hospitalist in Sylmar, CA

Active since April 24, 2008PECOS EnrolledAccepts Medicare Assignment
14445 OLIVE VIEW DR, SYLMAR, CA 91342(818) 364-3205 Get Directions Write a Review

NPPES record last updated: March 14, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 6, 2021, Oct 30, 2019 (2 updates tracked since 2019).

About Lex Chen M.d. NPPES

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

LEX CHEN M.D. (NPI 1265607956) is an individual hospitalist provider in Sylmar, California, licensed in California (A110087) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS and is a graduate of Northwestern University Feinberg Medical School (2008).

NPPES Registry Identity

NPI1265607956
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameLEX CHENCredential: M.D.
Location Address14445 OLIVE VIEW DRSylmar, CA 91342-1437
Mailing Address6650 Alton PkwyIrvine, CA 92618-3734
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2008
Enumeration DateApril 24, 2008
Last NPPES UpdateMarch 14, 20242 updates tracked since enumeration
NPPES CertifiedMarch 14, 2024
NPI 1265607956 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License Licensed in CA · A110087
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
14445 OLIVE VIEW DR, Sylmar, CA 91342

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

Lex 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 ID9830370329
PECOS Enrollment IDI20110216000514
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

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.

Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91342 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.

General Acute Care Hospital
14445 OLIVE VIEW DR
SYLMAR, CA 91342
Nurse Practitioner (Family)
14445 OLIVE VIEW DR
SYLMAR, CA 91342
Student in an Organized Health Care Education/Training Program
14445 OLIVE VIEW DR
SYLMAR, CA 91342
Pathology (Anatomic Pathology & Clinical Pathology)
14445 OLIVE VIEW DR, ROOM 1A116
SYLMAR, CA 91342
Internal Medicine (Infectious Disease)
14445 OLIVE VIEW DR, 2B182
SYLMAR, CA 91342
Physical Therapy Assistant
14445 OLIVE VIEW DR
SYLMAR, CA 91342
General Acute Care Hospital
14445 OLIVE VIEW DR
SYLMAR, CA 91342
Physical Therapist
14445 OLIVE VIEW DR
SYLMAR, CA 91342

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 Lex Chen's NPI number?

The NPI number for Lex Chen is 1265607956. It was assigned to this individual provider in the NPPES registry on April 24, 2008.

Where is Lex Chen located?

Lex Chen practices at 14445 Olive View Dr, Sylmar, CA 91342. The listed phone number is (818) 364-3205.

What is Lex Chen's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Lex Chen enrolled in Medicare?

Yes. Lex 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 Lex Chen was last updated on March 14, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.