DAVID TAI-WAY CHAN MD
NPI 1972132546
Internal Medicine in Santa Rosa, CA

Q: What is David Chan's NPI number?

The NPI number for David Chan is 1972132546. It was assigned to this individual provider in the NPPES registry on April 6, 2020.

Q: What is David Chan's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for David Chan was last updated on January 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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 April 06, 2020PECOS EnrolledAccepts Medicare Assignment

401 BICENTENNIAL WAY, SANTA ROSA, CA 95403(707) 393-4000 Get Directions Write a Review

NPPES record last updated: January 15, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 15, 2026, Mar 27, 2023, Apr 6, 2020 (3 updates tracked since 2020).

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About David Tai-way Chan Md NPPES

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

DAVID TAI-WAY CHAN MD (NPI 1972132546) is an individual internal medicine provider in Santa Rosa, California, licensed in California (A195359) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1972132546

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDAVID TAI-WAY CHANCredential: MD

Location Address401 BICENTENNIAL WAYSanta Rosa, CA 95403-2149

Mailing Address401 Bicentennial WaySanta Rosa, CA 95403-2149 · (707) 393-4000

Phone(707) 393-4000

Sole ProprietorNo

Medical School CMSOtherGraduated 2020

Enumeration DateApril 6, 2020

Last NPPES UpdateJanuary 15, 20263 updates tracked since enumeration

NPPES CertifiedJanuary 15, 2026

✔ NPI 1972132546 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · A195359

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.

Also ListedPediatricsTaxonomy 208000000X · License A195359 (CA)

401 BICENTENNIAL WAY, Santa Rosa, CA 95403

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

David Tai-way Chan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6305378175

PECOS Enrollment IDI20241017002836

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 95403 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

$142.00 typical visit price

range $63.04 – $187.01

Typical copayment $35.50 (range $15.76 – $46.75)

Most-billed visit code 99204

Established Patient

$109.88 typical visit price

range $21.02 – $153.40

Typical copayment $27.47 (range $5.25 – $38.35)

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.

Other Providers at the Same Location NPPES 20

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

MS. JESSICA ANNE RUTLAND R.D.

Dietitian, Registered

401 BICENTENNIAL WAY
SANTA ROSA, CA 95403

Sonoma County (707) 393-4787

KURT FALKENBERG P.T.

Physical Therapist

401 BICENTENNIAL WAY, EAST BUILDING, SUITE 190
SANTA ROSA, CA 95403

Sonoma County (707) 571-3352

DELILAH PATTERSON CRNA

Nurse Anesthetist, Certified Registered

401 BICENTENNIAL WAY
SANTA ROSA, CA 95403

Sonoma County (707) 393-4616

KRISZTINA J. BALAZS MD

Pediatrics

401 BICENTENNIAL WAY
SANTA ROSA, CA 95403

Sonoma County (707) 571-4000

JOHN F. KUNKEL MD

Pathology (Anatomic Pathology)

401 BICENTENNIAL WAY
SANTA ROSA, CA 95403

Sonoma County (707) 571-4000

CRISTINA COREY SCHROEN LCSW

Social Worker (Clinical)

401 BICENTENNIAL WAY
SANTA ROSA, CA 95403

Sonoma County (707) 571-2536

JIE GIOK RAHARDJA PHARMD

Pharmacist

401 BICENTENNIAL WAY
SANTA ROSA, CA 95403

Sonoma County (707) 393-4652

CONOR WILLIAM BOWMAN PHARM.D.

Pharmacist

401 BICENTENNIAL WAY
SANTA ROSA, CA 95403

Sonoma County (818) 522-1238

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 David Chan's NPI number?

The NPI number for David Chan is 1972132546. It was assigned to this individual provider in the NPPES registry on April 6, 2020.

Where is David Chan located?

David Chan practices at 401 Bicentennial Way, Santa Rosa, CA 95403. The listed phone number is (707) 393-4000.

What is David Chan's specialty?

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

Is David Chan enrolled in Medicare?

Yes. David Chan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for David Chan was last updated on January 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.