Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Noel Tsun-Dah Chiu, MD

Individual provider Dermatology Physician · NPI 1861458259

Dr. Noel Tsun-Dah Chiu, MD practises Dermatology in Antioch, California. Graduated from Warren Alpert Medical School of Brown University in 2001, 25 years ago. Accepts Medicare assignment. Licensed in California.

Years since qualifying
25
Trained at
Warren Alpert Medical School of Brown University
Licensed in
CA
In the registry since
2006
Specialties on file
6
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3436 Hillcrest Ave Ste 150
Antioch, CA 94531-6304 Not confirmed with CMS for 12 years — call before visiting
Phone: (925) 754-6767
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence A75814 (CA)
MOHS-Micrographic Surgery Physician Taxonomy 207ND0101X · Licence A75814 (CA)
Dermatopathology Physician Taxonomy 207ND0900X · Licence A75814 (CA)
Pediatric Dermatology Physician Taxonomy 207NP0225X · Licence A75814 (CA)
Procedural Dermatology Physician Taxonomy 207NS0135X · Licence A75814 (CA)
Clinical & Laboratory Dermatological Immunology Physician Taxonomy 207NI0002X · Licence A75814 (CA)

Record details

NPI number1861458259
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 25, 2006
Last updated in NPPESSeptember 30, 2014

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDERMATOLOGY
Medical schoolWARREN ALPERT MEDICAL SCHOOL OF BROWN UNIVERSITY
Graduated 2001 (25 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Removal of skin lesions 673 times · 89th percentile
Skin biopsy 78 times · 73rd percentile
Removal of nail tissue 1–10 times

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients112
Services billed 3,204 a service is one billed item, such as a visit, a test or a procedure
Average patient age78

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

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