DR. E. CHENG-HSIN CHANG DDS
NPI 1598977225
Dentist - General Practice in Walnut Creek, CA

Q: What is E. Cheng-hsin Chang's NPI number?

The NPI number for E. Cheng-hsin Chang is 1598977225. It was assigned to this individual provider in the NPPES registry on May 4, 2007.

Q: What is E. Cheng-hsin Chang's specialty?

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

Q: Is E. Cheng-hsin Chang enrolled in Medicare?

No. E. Cheng-hsin Chang has opted out of Medicare through April 21, 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.

Active since May 04, 2007Opted out of Medicare · through Apr 21, 2028

130 PETTICOAT LN, WALNUT CREEK, CA 94596(925) 934-3395(925) 934-3397 Get Directions Write a Review

NPPES record last updated: May 12, 2016. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. E. Cheng-hsin Chang Dds NPPES

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

DR. E. CHENG-HSIN CHANG DDS (NPI 1598977225) is an individual general practice provider in Walnut Creek, California, licensed in California (30335) and active in the NPI registry since May 2007. She has opted out of Medicare through April 21, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1598977225

Entity TypeIndividualFemale

Primary Taxonomy1223G0001X

Provider Legal NameDR. E. CHENG-HSIN CHANGCredential: DDS

Location Address130 PETTICOAT LNWalnut Creek, CA 94596-5017

Mailing Address130 Petticoat LnWalnut Creek, CA 94596-5017 · (925) 934-3395 · Fax (925) 934-3397

Phone(925) 934-3395

Fax(925) 934-3397

Sole ProprietorNo

Enumeration DateMay 4, 2007

Last NPPES UpdateMay 12, 2016

✔ NPI 1598977225 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 · 30335

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.

130 PETTICOAT LN, Walnut Creek, CA 94596

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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. E. Cheng-hsin Chang Dds 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 21, 2016 through April 21, 2028.

Opt-Out Effective DateApril 21, 2016

Opt-Out In Effect ThroughApril 21, 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 94596 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 2

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

DR. DAVID NISENBOYM DDS

Dentist

130 PETTICOAT LN
WALNUT CREEK, CA 94596

Contra Costa County (916) 704-0974

DR. JOSEPH MULLIN DDS

Dentist (General Practice)

130 PETTICOAT LN
WALNUT CREEK, CA 94596

Contra Costa County (925) 934-3395

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 E. Cheng-hsin Chang's NPI number?

The NPI number for E. Cheng-hsin Chang is 1598977225. It was assigned to this individual provider in the NPPES registry on May 4, 2007.

Where is E. Cheng-hsin Chang located?

E. Cheng-hsin Chang practices at 130 Petticoat Ln, Walnut Creek, CA 94596. The listed phone number is (925) 934-3395.

What is E. Cheng-hsin Chang's specialty?

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

Is E. Cheng-hsin Chang enrolled in Medicare?

No. E. Cheng-hsin Chang has opted out of Medicare through April 21, 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 E. Cheng-hsin Chang was last updated on May 12, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.