TSUH-YIN CHEN MD
NPI 1093803520
Internal Medicine in San Diego, CA

Active since October 10, 2006PECOS EnrolledAccepts Medicare Assignment
3544 30TH ST, SAN DIEGO, CA 92104(619) 515-2300(619) 906-4564 Get Directions Write a Review

NPPES record last updated: October 20, 2016. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Oct 20, 2016, Feb 4, 2016 (2 updates tracked since 2016).

About Tsuh-yin Chen Md NPPES

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

TSUH-YIN CHEN MD (NPI 1093803520) is an individual internal medicine provider in San Diego, California, licensed in California (C55563) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and is a graduate of State University Of New York At Stony Brook, School Of Medicine (2002).

NPPES Registry Identity

NPI1093803520
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameTSUH-YIN CHENCredential: MD
Location Address3544 30TH STSan Diego, CA 92104-4120
Mailing Address823 Gateway Center WaySan Diego, CA 92102-4541 · (619) 515-2300 · Fax (619) 906-4564
Fax(619) 906-4564
Sole ProprietorYes
Medical School CMSState University Of New York At Stony Brook, School Of MedicineGraduated 2002
Enumeration DateOctober 10, 2006
Last NPPES UpdateOctober 20, 20162 updates tracked since enumeration
NPI 1093803520 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 · C55563
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.
3544 30TH ST, San Diego, CA 92104

Other Identifiers 1

OtherC55563CA · Lic

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

Tsuh-yin Chen 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 ID4284657727
PECOS Enrollment IDI20060316000034, I20130107000144
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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
65 services35 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92104 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.

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.

Social Worker
3544 30TH ST
SAN DIEGO, CA 92104
Clinic/Center (Federally Qualified Health Center (FQHC))
3544 30TH ST
SAN DIEGO, CA 92104
Nurse Practitioner (Family)
3544 30TH ST
SAN DIEGO, CA 92104
Counselor (Addiction (Substance Use Disorder))
3544 30TH ST
SAN DIEGO, CA 92104
Dentist
3544 30TH ST
SAN DIEGO, CA 92104
Internal Medicine
3544 30TH ST
SAN DIEGO, CA 92104
Social Worker (Clinical)
3544 30TH ST
SAN DIEGO, CA 92104
Family Medicine
3544 30TH ST
SAN DIEGO, CA 92104

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 Tsuh-yin Chen's NPI number?

The NPI number for Tsuh-yin Chen is 1093803520. It was assigned to this individual provider in the NPPES registry on October 10, 2006.

Where is Tsuh-yin Chen located?

Tsuh-yin Chen practices at 3544 30th St, San Diego, CA 92104. The listed phone number is (619) 515-2300.

What is Tsuh-yin Chen's specialty?

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

Is Tsuh-yin Chen enrolled in Medicare?

Yes. Tsuh-yin Chen 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 Tsuh-yin Chen was last updated on October 20, 2016. NPI Profile syncs with the weekly NPPES data releases published by CMS; the most recent full sync was completed on July 26, 2026. Anyone can also request an on-demand re-check of this record against the live CMS registry, directly from this page.