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TIMOTHY LINGHAU CHEN MD
NPI 1144808742
Radiology - Diagnostic Radiology in San Francisco, CA

Active since April 01, 2021PECOS Enrolled
505 PARNASSUS AVE, SAN FRANCISCO, CA 94143(415) 353-2742 Get Directions Write a Review

NPPES record last updated: July 5, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 5, 2022, Apr 1, 2021 (2 updates tracked since 2021).

About Timothy Linghau Chen Md NPPES

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

TIMOTHY LINGHAU CHEN MD (NPI 1144808742) is an individual diagnostic radiology provider in San Francisco, California, licensed in California (180089) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS and maintains a secondary practice location in San Jose.

NPPES Registry Identity

NPI1144808742
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameTIMOTHY LINGHAU CHENCredential: MD
Location Address505 PARNASSUS AVESan Francisco, CA 94143-2204
Mailing Address505 Parnassus AveSan Francisco, CA 94143-2204
Phone(415) 353-2742
Sole ProprietorNo
Enumeration DateApril 1, 2021
Last NPPES UpdateJuly 5, 20222 updates tracked since enumeration
NPPES CertifiedJuly 5, 2022
✔ NPI 1144808742 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in CA · 180089
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
Also ListedInternal MedicineTaxonomy 207R00000X · License PTL7676 (CA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
505 PARNASSUS AVE, San Francisco, CA 94143
Open in Google Maps ↗

Other Names 1

Professional Name (2)Dr. Timothy Chen Md

Secondary Practice Location 1

Location 1751 S Bascom AveSan Jose, CA 95128-2699 · Phone (408) 885-5000

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Timothy Linghau Chen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94143 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
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.

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.

CATHERINE RAMSDELL NNP
Nurse Practitioner (Neonatal)
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-1000
DR. CLAUDIO ANDRES BRAVO CARRILLO M.D.
Internal Medicine (Advanced Heart Failure and Transplant Cardiology)
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 502-4243
MAURICIO JALIFE BUCAY M.D
Hospitalist
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 750-4994
EMMA B SHAK M.D.
Student in an Organized Health Care Education/Training Program
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-1528
DR. ADRIANA A.T. MARTIN M.D., PH.D.
Internal Medicine
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 514-7288
WILLIAM JAMES DEARDORFF
Internal Medicine (Geriatric Medicine)
505 PARNASSUS AVE, 15 LONG
SAN FRANCISCO, CA 94143
San Francisco County (415) 406-1417
KEERTHANA REDDY BANALA
Student in an Organized Health Care Education/Training Program
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 514-7288
ROBERT CHRISTIAN WENZ
Nurse Anesthetist, Certified Registered
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-8054

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 Timothy Chen's NPI number?

The NPI number for Timothy Chen is 1144808742. It was assigned to this individual provider in the NPPES registry on April 1, 2021. The provider is also known as Dr. Timothy Chen MD.

Where is Timothy Chen located?

Timothy Chen practices at 505 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 353-2742.

What is Timothy Chen's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Timothy Chen enrolled in Medicare?

Yes. Timothy Chen is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Timothy Chen was last updated on July 5, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.