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MS. ISABELLE LILING TSIEN PA-C
NPI 1699832865
Physician Assistant in San Francisco, CA

Active since January 03, 2007PECOS Enrolled
2351 CLAY ST STE 307A, SAN FRANCISCO, CA 94115(415) 600-1087(415) 600-1298 Get Directions Write a Review

NPPES record last updated: July 10, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ms. Isabelle Liling Tsien Pa-c NPPES

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

MS. ISABELLE LILING TSIEN PA-C (NPI 1699832865) is an individual physician assistant in San Francisco, California, licensed in California (PA 16650) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1699832865
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMS. ISABELLE LILING TSIENCredential: PA-C
Location Address2351 CLAY ST STE 307ASan Francisco, CA 94115-1931
Mailing Address2351 Clay St Ste 307aSan Francisco, CA 94115-1931 · (415) 600-1087 · Fax (415) 600-1298
Phone(415) 600-1087
Fax(415) 600-1298
Sole ProprietorYes
Enumeration DateJanuary 3, 2007
Last NPPES UpdateJuly 10, 2007
✔ NPI 1699832865 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in CA · PA 16650
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
2351 CLAY ST STE 307A, San Francisco, CA 94115
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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)

Ms. Isabelle Liling Tsien Pa-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 94115 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Isabelle Tsien's NPI number?

The NPI number for Isabelle Tsien is 1699832865. It was assigned to this individual provider in the NPPES registry on January 3, 2007.

Where is Isabelle Tsien located?

Isabelle Tsien practices at 2351 Clay St Ste 307A, San Francisco, CA 94115. The listed phone number is (415) 600-1087.

What is Isabelle Tsien's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Isabelle Tsien enrolled in Medicare?

Yes. Isabelle Tsien is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Isabelle Tsien was last updated on July 10, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.