1. Home
  2. Directory
  3. California
  4. Los Angeles
  5. Hospitalist
  6. NPI Profile

ARNOLD TSAI M.D.
NPI 1043522154
Hospitalist in Los Angeles, CA

Active since July 06, 2010PECOS Enrolled
1500 SAN PABLO ST, LOS ANGELES, CA 90033(323) 442-5100 Get Directions Write a Review

NPPES record last updated: November 27, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 8, 2020, Nov 2, 2016 (2 updates tracked since 2016).

About Arnold Tsai M.d. NPPES

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

ARNOLD TSAI M.D. (NPI 1043522154) is an individual hospitalist provider in Los Angeles, California, licensed in California (A116863) and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1043522154
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameARNOLD TSAICredential: M.D.
Location Address1500 SAN PABLO STLos Angeles, CA 90033-5313
Mailing AddressPo Box 31309Los Angeles, CA 90031-0309 · (323) 442-5100
Phone(323) 442-5100
Sole ProprietorNo
Enumeration DateJuly 6, 2010
Last NPPES UpdateNovember 27, 20232 updates tracked since enumeration
NPPES CertifiedSeptember 8, 2020
✔ NPI 1043522154 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in CA · A116863
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License A116863 (CA)
1500 SAN PABLO ST, Los Angeles, CA 90033
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Arnold Tsai M.d. 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 90033 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
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 20

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

MRS. CATHY KIEM NGO CRNA
Nurse Anesthetist, Certified Registered
1500 SAN PABLO ST
LOS ANGELES, CA 90033
Los Angeles County (323) 442-7400
DR. THOMAS ALLEN BUCHANAN M.D.
Internal Medicine
1500 SAN PABLO ST, 3 NORTH UNIVERSITY HOSPITAL
LOS ANGELES, CA 90033
Los Angeles County (323) 442-9576
DR. KASHIF TANVEER KHAN M.D.
Anesthesiology
1500 SAN PABLO ST
LOS ANGELES, CA 90033
Los Angeles County (323) 442-7400
BARBARA LEUNG
Occupational Therapist
1500 SAN PABLO ST
LOS ANGELES, CA 90033
Los Angeles County (800) 272-2273
MELANIE KUSONRUKSA M.D.
Anesthesiology
1500 SAN PABLO ST
LOS ANGELES, CA 90033
Los Angeles County (323) 442-7400
KAREN KIM PHARMD
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
1500 SAN PABLO ST
LOS ANGELES, CA 90033
Los Angeles County (323) 442-9385
DR. SHALINI SUNIL SHAH M.D.
Anesthesiology
1500 SAN PABLO ST
LOS ANGELES, CA 90033
Los Angeles County (714) 261-3585
TYLER DANIEL COHAN
Student in an Organized Health Care Education/Training Program
1500 SAN PABLO ST
LOS ANGELES, CA 90033
Los Angeles County (800) 872-2273

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 Arnold Tsai's NPI number?

The NPI number for Arnold Tsai is 1043522154. It was assigned to this individual provider in the NPPES registry on July 6, 2010.

Where is Arnold Tsai located?

Arnold Tsai practices at 1500 San Pablo St, Los Angeles, CA 90033. The listed phone number is (323) 442-5100.

What is Arnold Tsai's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Arnold Tsai enrolled in Medicare?

Yes. Arnold Tsai is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Arnold Tsai was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.