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TERENCE LING CHEN MD
NPI 1720180946
Neurological Surgery in Walnut Creek, CA

Active since September 01, 2006PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
122 LA CASA VIA STE 222, WALNUT CREEK, CA 94598(925) 937-0404(925) 937-1340 Get Directions Write a Review

NPPES record last updated: January 8, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Terence Ling Chen Md NPPES

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

TERENCE LING CHEN MD (NPI 1720180946) is an individual neurological surgery provider in Walnut Creek, California, licensed in California (G71608) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of Yale University School Of Medicine (1984).

NPPES Registry Identity

NPI1720180946
Entity TypeIndividualMale
Primary Taxonomy207T00000X
Provider Legal NameTERENCE LING CHENCredential: MD
Location Address122 LA CASA VIA STE 222Walnut Creek, CA 94598-3014
Mailing Address122 La Casa Via Ste 222Walnut Creek, CA 94598-3014 · (925) 937-0404 · Fax (925) 937-1340
Phone(925) 937-0404
Fax(925) 937-1340
Sole ProprietorNo
Medical School CMSYale University School Of MedicineGraduated 1984
Enumeration DateSeptember 1, 2006
Last NPPES UpdateJanuary 8, 2025
NPPES CertifiedJanuary 8, 2025
✔ NPI 1720180946 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 · G71608
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.
122 LA CASA VIA STE 222, Walnut Creek, CA 94598
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Other Names 1

Other Name (5)Terry Chen Md

Other Identifiers 2

Other00G716080Blue Shield Of Ca
OtherG71608Blue Cross Of Ca

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

Terence Ling Chen 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 ID547232134
PECOS Enrollment IDI20081013000486
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.

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.
231 services163 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 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.
162 services162 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.
98 services76 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.
47 services45 patients
Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment 63048
This procedure involves the partial removal of a bone in your spine to alleviate pressure on your spinal cord or nerves. It may be performed on multiple spine segments depending on your condition. The aim is to improve mobility and reduce pain or discomfort.
38 services15 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
24 services24 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94598 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
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.

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
Scored as part of a group practice
Quality100
Promoting Interoperability100
Improvement Activities40

Reported Quality Measures

Perioperative Care: Selection of Prophylactic Antibiotic - First OR Second Generation Cephalosporin
Percentage of surgical patients aged 18 years and older undergoing procedures with the indications for a first OR second generation cephalosporin prophylactic antibiotic, who had an order for a first OR second generation cephalosporin for antimicrobial…
100%27 patients
Perioperative Care: Venous Thromboembolism (VTE) Prophylaxis (When Indicated in ALL Patients)
Percentage of surgical patients aged 18 years and older undergoing procedures for which venous thromboembolism (VTE) prophylaxis is indicated in all patients, who had an order for Low Molecular Weight Heparin (LMWH), Low- Dose Unfractionated Heparin (LDUH)…
100%26 patients
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 3

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

DIABLO NEUROSURGICAL MEDICAL GROUP, INC.
Neurological Surgery
122 LA CASA VIA STE 222
WALNUT CREEK, CA 94598
Contra Costa County (925) 937-0404
BRANDEL & ESPARZA, M.D., INC.
Surgery
122 LA CASA VIA STE 222
WALNUT CREEK, CA 94598
Contra Costa County (925) 705-5028
BENJAMIN YIM MD APC
Neurological Surgery
122 LA CASA VIA STE 222
WALNUT CREEK, CA 94598
Contra Costa County (925) 867-1900

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 Terence Chen's NPI number?

The NPI number for Terence Chen is 1720180946. It was assigned to this individual provider in the NPPES registry on September 1, 2006. The provider is also known as Terry Chen MD.

Where is Terence Chen located?

Terence Chen practices at 122 La Casa Via Ste 222, Walnut Creek, CA 94598. The listed phone number is (925) 937-0404.

What is Terence Chen's specialty?

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

Is Terence Chen enrolled in Medicare?

Yes. Terence 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 Terence Chen was last updated on January 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.