YISHUI CHEN MD
NPI 1619546884
Internal Medicine - Sleep Medicine in Novato, CA

Q: What is Yishui Chen's NPI number?

The NPI number for Yishui Chen is 1619546884. It was assigned to this individual provider in the NPPES registry on June 22, 2021.

Q: What is Yishui Chen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.

Q: When was this NPI record last updated?

The NPPES record for Yishui Chen was last updated on May 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 June 22, 2021PECOS Enrolled

100 ROWLAND WAY STE 300, NOVATO, CA 94945(415) 878-0225(415) 878-0215 Get Directions Write a Review

NPPES record last updated: May 22, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: May 22, 2026, Jun 22, 2021 (2 updates tracked since 2021).

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About Yishui Chen Md NPPES

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

YISHUI CHEN MD (NPI 1619546884) is an individual sleep medicine provider in Novato, California, licensed in California (A201576) and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS and is a graduate of University Of South Florida College Of Medicine (2021).

NPPES Registry Identity

NPI1619546884

Entity TypeIndividualFemale

Primary Taxonomy207RS0012X

Provider Legal NameYISHUI CHENCredential: MD

Location Address100 ROWLAND WAY STE 300Novato, CA 94945-5041

Mailing Address550 Kirkham St Apt 5San Francisco, CA 94122-3649

Phone(415) 878-0225

Fax(415) 878-0215

Sole ProprietorNo

Medical School CMSUniversity Of South Florida College Of MedicineGraduated 2021

Enumeration DateJune 22, 2021

Last NPPES UpdateMay 22, 20262 updates tracked since enumeration

NPPES CertifiedMay 22, 2026

✔ NPI 1619546884 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Sleep MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RS0012X

License✔ Licensed in CA · A201576

Definition

An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.

Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X · License A201576 (CA)

100 ROWLAND WAY STE 300, Novato, CA 94945

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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 (PECOS)

Yishui Chen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4880096320

PECOS Enrollment IDI20260714000706

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 94945 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

$154.04 typical visit price

range $69.07 – $202.63

Typical copayment $38.51 (range $17.26 – $50.65)

Most-billed visit code 99204

Established Patient

$119.61 typical visit price

range $23.44 – $166.64

Typical copayment $29.90 (range $5.86 – $41.66)

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 5

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

BRIAN RODYSILL MD

Internal Medicine (Sleep Medicine)