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DR. TIMOTHY CHENGHSIEN WU D.M.D.
NPI 1932226719
Dentist - Periodontics in Mountain View, CA

Active since March 25, 2007Opted out of Medicare · through Oct 24, 2026
100 W EL CAMINO REAL, SUITE #76, MOUNTAIN VIEW, CA 94040(650) 968-3888(650) 641-8980 Get Directions Write a Review

NPPES record last updated: June 18, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Timothy Chenghsien Wu D.m.d. NPPES

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

DR. TIMOTHY CHENGHSIEN WU D.M.D. (NPI 1932226719) is an individual periodontics provider in Mountain View, California, licensed in California (45057) and active in the NPI registry since March 2007. He has opted out of Medicare through October 24, 2026 and remains eligible to order and refer.

NPPES Registry Identity

NPI1932226719
Entity TypeIndividualMale
Primary Taxonomy1223P0300X
Provider Legal NameDR. TIMOTHY CHENGHSIEN WUCredential: D.M.D.
Location Address100 W EL CAMINO REAL, SUITE #76Mountain View, CA 94040-2664
Mailing Address1501 Cedarwood DrSan Mateo, CA 94403-3912
Phone(650) 968-3888
Fax(650) 641-8980
Sole ProprietorYes
Enumeration DateMarch 25, 2007
Last NPPES UpdateJune 18, 2010
✔ NPI 1932226719 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · PeriodonticsDental Providers
Taxonomy Code1223P0300X
License✔ Licensed in CA · 45057
Definition
That specialty of dentistry which encompasses the prevention, diagnosis and treatment of diseases of the supporting and surrounding tissues of the teeth or their substitutes and the maintenance of the health, function and esthetics of these structures and tissues.
100 W EL CAMINO REAL, Mountain View, CA 94040
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Timothy Chenghsien Wu D.m.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from October 24, 2014 through October 24, 2026.

Opt-Out Effective DateOctober 24, 2014
Opt-Out In Effect ThroughOctober 24, 2026Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94040 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
$106.47 typical visit price
range $70.37 – $206.04
Typical copayment $26.61 (range $17.59 – $51.51)
Most-billed visit code 99203
Established Patient
$86.56 typical visit price
range $23.96 – $169.60
Typical copayment $21.64 (range $5.99 – $42.40)
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.

Other Providers at the Same Location NPPES 8

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

LIN & HUANG-GAO DENTAL, INC.
Dentist (General Practice)
100 W EL CAMINO REAL, SUITE 78
MOUNTAIN VIEW, CA 94040
Santa Clara County (650) 967-1203
MS. KRISTIN A. PHILLIPS-MATSON L.P.C.C.
Counselor (Mental Health)
100 W EL CAMINO REAL, SUITE 74B
MOUNTAIN VIEW, CA 94040
Santa Clara County (831) 325-9168
MELKO DENTAL GROUP
Clinic/Center (Dental)
100 W EL CAMINO REAL, SUITE 74A
MOUNTAIN VIEW, CA 94040
Santa Clara County (650) 961-5975
EMILY ZHANG DDS
Dentist (General Practice)
100 W EL CAMINO REAL
MOUNTAIN VIEW, CA 94040
Santa Clara County (650) 967-1203
REVEAL DIAGNOSTICS, LLC
Clinic/Center (Radiology)
100 W EL CAMINO REAL, SUITE 63B
MOUNTAIN VIEW, CA 94040
Santa Clara County (415) 837-5990
NITA CHAINANI-WU DMD, PHD
Dentist
100 W EL CAMINO REAL, 76
MOUNTAIN VIEW, CA 94040
Santa Clara County (650) 968-3888
DR. HARISE CARON STEIN MD
Obstetrics & Gynecology
100 W EL CAMINO REAL, SUITE 65
MOUNTAIN VIEW, CA 94040
Santa Clara County (650) 559-9597
DR. EMILY YANG TOVAR DDS
Dentist
100 W EL CAMINO REAL
MOUNTAIN VIEW, CA 94040
Santa Clara County (650) 967-1203

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 Wu's NPI number?

The NPI number for Timothy Wu is 1932226719. It was assigned to this individual provider in the NPPES registry on March 25, 2007.

Where is Timothy Wu located?

Timothy Wu practices at 100 W El Camino Real Suite #76, Mountain View, CA 94040. The listed phone number is (650) 968-3888.

What is Timothy Wu's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Periodontics, with taxonomy code 1223P0300X.

Is Timothy Wu enrolled in Medicare?

No. Timothy Wu has opted out of Medicare through October 24, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Timothy Wu was last updated on June 18, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.