DR. DIANE J LEW D.D.S.
NPI 1972694529
Dentist - General Practice in Sunnyvale, CA

Q: What is Diane Lew's NPI number?

The NPI number for Diane Lew is 1972694529. It was assigned to this individual provider in the NPPES registry on September 27, 2006.

Q: What is Diane Lew's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Q: Is Diane Lew enrolled in Medicare?

No. Diane Lew has opted out of Medicare through April 7, 2028. 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.

Q: When was this NPI record last updated?

The NPPES record for Diane Lew was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.

Active since September 27, 2006Opted out of Medicare · through Apr 7, 2028

1565 HOLLENBECK AVE STE 114, SUNNYVALE, CA 94087(408) 736-4323(408) 736-9041 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. Diane J Lew D.d.s. NPPES

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

DR. DIANE J LEW D.D.S. (NPI 1972694529) is an individual general practice provider in Sunnyvale, California, licensed in California (37691) and active in the NPI registry since September 2006. She has opted out of Medicare through April 7, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1972694529

Entity TypeIndividualFemale

Primary Taxonomy1223G0001X

Provider Legal NameDR. DIANE J LEWCredential: D.D.S.

Location Address1565 HOLLENBECK AVE STE 114Sunnyvale, CA 94087-4300

Mailing Address1565 Hollenbeck Ave Ste 114Sunnyvale, CA 94087-4300 · (408) 736-4323 · Fax (408) 736-9041

Phone(408) 736-4323

Fax(408) 736-9041

Sole ProprietorYes

Enumeration DateSeptember 27, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1972694529 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in CA · 37691

Definition

A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

1565 HOLLENBECK AVE STE 114, Sunnyvale, CA 94087

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

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Opted out of Medicare

Dr. Diane J Lew D.d.s. 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 April 7, 2016 through April 7, 2028.

Opt-Out Effective DateApril 7, 2016

Opt-Out In Effect ThroughApril 7, 2028Opt-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 94087 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.

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 Diane Lew's NPI number?

The NPI number for Diane Lew is 1972694529. It was assigned to this individual provider in the NPPES registry on September 27, 2006.

Where is Diane Lew located?

Diane Lew practices at 1565 Hollenbeck Ave Ste 114, Sunnyvale, CA 94087. The listed phone number is (408) 736-4323.

What is Diane Lew's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Is Diane Lew enrolled in Medicare?

No. Diane Lew has opted out of Medicare through April 7, 2028. 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 Diane Lew was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.