DR. HSIU-CHIN TSAI D.D.S.
NPI 1679691984
Dentist - Prosthodontics in Diamond Bar, CA

Q: What is Hsiu-chin Tsai's NPI number?

The NPI number for Hsiu-chin Tsai is 1679691984. It was assigned to this individual provider in the NPPES registry on March 26, 2007.

Q: What is Hsiu-chin Tsai's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Prosthodontics, with taxonomy code 1223P0700X.

Q: Is Hsiu-chin Tsai enrolled in Medicare?

No. Hsiu-chin Tsai has opted out of Medicare through May 10, 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 Hsiu-chin Tsai 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 March 26, 2007Opted out of Medicare · through May 10, 2028

824 N DIAMOND BAR BLVD, DIAMOND BAR, CA 91765(909) 612-4666(909) 612-4676 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Hsiu-chin Tsai D.d.s. NPPES

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

DR. HSIU-CHIN TSAI D.D.S. (NPI 1679691984) is an individual prosthodontics provider in Diamond Bar, California, licensed in California (43503) and active in the NPI registry since March 2007. She has opted out of Medicare through May 10, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1679691984

Entity TypeIndividualFemale

Primary Taxonomy1223P0700X

Provider Legal NameDR. HSIU-CHIN TSAICredential: D.D.S.

Location Address824 N DIAMOND BAR BLVDDiamond Bar, CA 91765-1039

Mailing Address824 N Diamond Bar BlvdDiamond Bar, CA 91765-1039 · (909) 612-4666 · Fax (909) 612-4676

Phone(909) 612-4666

Fax(909) 612-4676

Sole ProprietorNo

Enumeration DateMarch 26, 2007

Last NPPES UpdateJuly 8, 2007

✔ NPI 1679691984 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · ProsthodonticsDental Providers

Taxonomy Code1223P0700X

License✔ Licensed in CA · 43503

Definition

That branch of dentistry pertaining to the restoration and maintenance of oral functions, comfort, appearance and health of the patient by the restoration of natural teeth and/or the replacement of missing teeth and contiguous oral and maxillofacial tissues with artificial substitutes.

824 N DIAMOND BAR BLVD, Diamond Bar, CA 91765

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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. Hsiu-chin Tsai 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 May 10, 2016 through May 10, 2028.

Opt-Out Effective DateMay 10, 2016

Opt-Out In Effect ThroughMay 10, 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 91765 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

$96.36 typical visit price

range $62.96 – $187.60

Typical copayment $24.09 (range $15.74 – $46.90)

Most-billed visit code 99203

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.

Other Providers at the Same Location NPPES 2

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

DR. HONG-MING TANG D.D.S. M.S.

Dentist (Endodontics)

824 N DIAMOND BAR BLVD
DIAMOND BAR, CA 91765

Los Angeles County (909) 612-4666

TSAI & TANG PROFESSIONAL DENTAL CORPORATION

Dentist (Prosthodontics)

824 N DIAMOND BAR BLVD
DIAMOND BAR, CA 91765

Los Angeles County (909) 612-4666

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 Hsiu-chin Tsai's NPI number?

The NPI number for Hsiu-chin Tsai is 1679691984. It was assigned to this individual provider in the NPPES registry on March 26, 2007.

Where is Hsiu-chin Tsai located?

Hsiu-chin Tsai practices at 824 N Diamond Bar Blvd, Diamond Bar, CA 91765. The listed phone number is (909) 612-4666.

What is Hsiu-chin Tsai's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Prosthodontics, with taxonomy code 1223P0700X.

Is Hsiu-chin Tsai enrolled in Medicare?

No. Hsiu-chin Tsai has opted out of Medicare through May 10, 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 Hsiu-chin Tsai 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.