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SEAN I-HSIN TSAI D.O.
NPI 1932130697
Family Medicine in South Pasadena, CA

Active since July 05, 2006PECOS EnrolledAccepts Medicare Assignment
1108 FREMONT AVE, SOUTH PASADENA, CA 91030(626) 793-0660(626) 793-0660 Get Directions Write a Review

NPPES record last updated: January 2, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Sean I-hsin Tsai D.o. NPPES

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

SEAN I-HSIN TSAI D.O. (NPI 1932130697) is an individual family medicine provider in South Pasadena, California, licensed in California (20A7930) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Other (2000).

NPPES Registry Identity

NPI1932130697
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameSEAN I-HSIN TSAICredential: D.O.
Location Address1108 FREMONT AVESouth Pasadena, CA 91030-3227
Mailing Address1108 Fremont AveSouth Pasadena, CA 91030-3227 · (626) 793-0660 · Fax (626) 793-0660
Phone(626) 793-0660
Fax(626) 793-0660
Sole ProprietorYes
Medical School CMSOtherGraduated 2000
Enumeration DateJuly 5, 2006
Last NPPES UpdateJanuary 2, 2026
NPPES CertifiedJanuary 2, 2026
✔ NPI 1932130697 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · 20A7930
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedNeuromusculoskeletal Medicine & OMMTaxonomy 204D00000X · License 20A7930 (CA)
1108 FREMONT AVE, South Pasadena, CA 91030
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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

Sean I-hsin Tsai D.o. 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 ID4880636091
PECOS Enrollment IDI20050527000340
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 3

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.

Osteopathic manipulative treatment, 9-10 body regions 98929
Osteopathic Manipulative Treatment (OMT) involves hands-on care. In a 9-10 body regions procedure, a doctor manipulates muscles and joints using techniques like stretching, gentle pressure, and resistance to improve health and wellness. It's often used to ease pain, promote healing, and increase overall mobility.
764 services107 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
714 services104 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
24 services24 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91030 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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 3

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

REENA R PATEL MD INC
Family Medicine
1108 FREMONT AVE
SOUTH PASADENA, CA 91030
Los Angeles County (626) 765-7852
WU-WEI OSTEOPATHY & ACUPUNCTURE
Internal Medicine
1108 FREMONT AVE
SOUTH PASADENA, CA 91030
Los Angeles County (626) 788-1639
KRISTINE TATOSYAN-JONES MD INC
Family Medicine
1108 FREMONT AVE
S PASADENA, CA 91030
Los Angeles County (818) 209-2148

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 Sean Tsai's NPI number?

The NPI number for Sean Tsai is 1932130697. It was assigned to this individual provider in the NPPES registry on July 5, 2006.

Where is Sean Tsai located?

Sean Tsai practices at 1108 Fremont Ave, South Pasadena, CA 91030. The listed phone number is (626) 793-0660.

What is Sean Tsai's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Sean Tsai enrolled in Medicare?

Yes. Sean Tsai 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 Sean Tsai was last updated on January 2, 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.