DR. THOMAS C. CHEN M.D., PHD
NPI 1225071509
Neurological Surgery in Los Angeles, CA

Active since June 14, 2006PECOS EnrolledAccepts Medicare Assignment
1520 SAN PABLO ST, STE 3800, LOS ANGELES, CA 90033(323) 442-5720(323) 442-7543 Get Directions Write a Review

NPPES record last updated: November 27, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Thomas C. Chen M.d., Phd NPPES

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

DR. THOMAS C. CHEN M.D., PHD (NPI 1225071509) is an individual neurological surgery provider in Los Angeles, California, licensed in California (G66798) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (1988).

NPPES Registry Identity

NPI1225071509
Entity TypeIndividualMale
Primary Taxonomy207T00000X
Provider Legal NameDR. THOMAS C. CHENCredential: M.D., PHD
Location Address1520 SAN PABLO ST, STE 3800Los Angeles, CA 90033-5310
Mailing AddressPo Box 31309Los Angeles, CA 90031-0309 · (323) 442-5720 · Fax (323) 442-7543
Fax(323) 442-7543
Sole ProprietorNo
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 1988
Enumeration DateJune 14, 2006
Last NPPES UpdateNovember 27, 2023
NPPES CertifiedAugust 31, 2020
NPI 1225071509 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
License Licensed in CA · G66798
Definition
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.
1520 SAN PABLO ST, Los Angeles, CA 90033

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. Thomas C. Chen M.d., Phd 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 ID7618027574
PECOS Enrollment IDI20090615000595
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 3

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 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.
170 services93 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.
24 services22 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
18 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90033 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
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

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

Osteogenesis stimulator, electrical, non-invasive, spinal applications E0748
DME-Other DME · category DE000N
2 suppliers12 claims12 services$3,742.44 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 20

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

Internal Medicine (Gastroenterology)
1520 SAN PABLO ST, SUITE 1000
LOS ANGELES, CA 90033
Psychiatry & Neurology (Neurology)
1520 SAN PABLO ST, SUITE 3000
LOS ANGELES, CA 90033
Nurse Practitioner
1520 SAN PABLO ST, SUITE 1000
LOS ANGELES, CA 90033
Psychiatry & Neurology (Psychiatry)
1520 SAN PABLO ST, STE 1652
LOS ANGELES, CA 90033
Psychiatry & Neurology (Psychiatry)
1520 SAN PABLO ST, STE1652
LOS ANGELES, CA 90033
Internal Medicine (Gastroenterology)
1520 SAN PABLO ST, SUITE 1000
LOS ANGELES, CA 90033
Internal Medicine (Cardiovascular Disease)
1520 SAN PABLO ST, SUITE 1000
LOS ANGELES, CA 90033
Family Medicine (Geriatric Medicine)
1520 SAN PABLO ST, 1ST FLOOR
LOS ANGELES, CA 90033

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 Thomas Chen's NPI number?

The NPI number for Thomas Chen is 1225071509. It was assigned to this individual provider in the NPPES registry on June 14, 2006.

Where is Thomas Chen located?

Thomas Chen practices at 1520 San Pablo St Ste 3800, Los Angeles, CA 90033. The listed phone number is (323) 442-5720.

What is Thomas Chen's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is Thomas Chen enrolled in Medicare?

Yes. Thomas 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 Thomas Chen was last updated on November 27, 2023. 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.