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DR. HO CHIE TSAI MD
NPI 1912914755
Pediatrics in Pleasant Hill, CA

Active since August 02, 2006PECOS Enrolled
425 GREGORY LN, SUITE 203, PLEASANT HILL, CA 94523(925) 288-3600 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Ho Chie Tsai Md NPPES

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

DR. HO CHIE TSAI MD (NPI 1912914755) is an individual pediatrics provider in Pleasant Hill, California, licensed in California (A84914) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1912914755
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. HO CHIE TSAICredential: MD
Location Address425 GREGORY LN, SUITE 203Pleasant Hill, CA 94523-2880
Mailing Address1771 Highland Pl Apt 208Berkeley, CA 94709-1066 · (510) 704-4080
Phone(925) 288-3600
Sole ProprietorYes
Enumeration DateAugust 2, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1912914755 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A84914
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
425 GREGORY LN, Pleasant Hill, CA 94523
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ho Chie Tsai Md 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.

Medicare Billing Reassignments

3

Medicare enrollment records show Ho Chie Tsai reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of California San Francisco
25 mi
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
NPI 1346329380 (415) 353-2161
Ucsf Medical Group Business Services
25 mi
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
NPI 1477624104 (415) 353-2808
Ucsf Pediatrics Associates
25 mi
Pediatrics
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 1,159 clinicians in this Medicare group
NPI 1376614016 (415) 353-2000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94523 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
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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 2

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

NIGHT OWL PEDIATRICS, INC
Pediatrics (Pediatric Emergency Medicine)
425 GREGORY LN, #203
PLEASANT HILL, CA 94523
Contra Costa County (925) 288-3600
JASON A SMITH, MD. INC
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
425 GREGORY LN, STE. 201
PLEASANT HILL, CA 94523
Contra Costa County (925) 726-0147

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 Ho Chie Tsai's NPI number?

The NPI number for Ho Chie Tsai is 1912914755. It was assigned to this individual provider in the NPPES registry on August 2, 2006.

Where is Ho Chie Tsai located?

Ho Chie Tsai practices at 425 Gregory Ln Suite 203, Pleasant Hill, CA 94523. The listed phone number is (925) 288-3600.

What is Ho Chie Tsai's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Ho Chie Tsai enrolled in Medicare?

Yes. Ho Chie Tsai is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ho Chie Tsai's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ho Chie Tsai reassigns Medicare benefits to 3 organizations: University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and Ucsf Pediatrics Associates (San Francisco, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ho Chie Tsai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Ho Chie Tsai was last updated on July 8, 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.