KATHERINE K. TAN MD
NPI 1477631554
Pediatrics in Antioch, CA

Q: What is Katherine Tan's NPI number?

The NPI number for Katherine Tan is 1477631554. It was assigned to this individual provider in the NPPES registry on November 2, 2006.

Q: What is Katherine Tan's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Katherine Tan was last updated on December 17, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since November 02, 2006PECOS Enrolled

3400 DELTA FAIR BLVD, ANTIOCH, CA 94509(925) 779-5000 Get Directions Write a Review

NPPES record last updated: December 17, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Katherine K. Tan Md NPPES

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

KATHERINE K. TAN MD (NPI 1477631554) is an individual pediatrics provider in Antioch, California, licensed in California (A51983) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1477631554

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameKATHERINE K. TANCredential: MD

Location Address3400 DELTA FAIR BLVDAntioch, CA 94509-4004

Mailing Address1800 Harrison St Fl 7Oakland, CA 94612-3466 · (510) 625-6262

Phone(925) 779-5000

Sole ProprietorNo

Enumeration DateNovember 2, 2006

Last NPPES UpdateDecember 17, 2021

✔ NPI 1477631554 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in CA · A51983

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.

3400 DELTA FAIR BLVD, Antioch, CA 94509

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Other Identifiers 1

Medicaid00A519830CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katherine K. Tan 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94509 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.