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DR. JOHN K CHAU M.D.
NPI 1740375070
Internal Medicine in San Diego, CA

Active since October 03, 2006PECOS Enrolled
120 ELM ST STE 100, SAN DIEGO, CA 92101(619) 235-4211 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. John K Chau M.d. NPPES

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

DR. JOHN K CHAU M.D. (NPI 1740375070) is an individual internal medicine provider in San Diego, California, licensed in California (A52498) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1740375070
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JOHN K CHAUCredential: M.D.
Location Address120 ELM ST STE 100San Diego, CA 92101-2602
Mailing Address5038 Canterbury DrSan Diego, CA 92116-2107 · (619) 255-3189
Phone(619) 235-4211
Sole ProprietorYes
Enumeration DateOctober 3, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1740375070 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A52498
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
120 ELM ST STE 100, San Diego, CA 92101
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Other Names 1

Former Name (1)Dr. Kwok Wah Chau M.d.

Other Identifiers 1

Medicare UPINF880767CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. John K Chau M.d. 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 92101 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
Most-billed visit code 99214
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 John Chau's NPI number?

The NPI number for John Chau is 1740375070. It was assigned to this individual provider in the NPPES registry on October 3, 2006. The provider is also known as Dr. Kwok Wah Chau M.D..

Where is John Chau located?

John Chau practices at 120 Elm St Ste 100, San Diego, CA 92101. The listed phone number is (619) 235-4211.

What is John Chau's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is John Chau enrolled in Medicare?

Yes. John Chau is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for John Chau 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.