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CHRISTINA E TAN MD
NPI 1245421254
Pediatrics in San Mateo, CA

Active since August 05, 2007PECOS Enrolled
123 S SAN MATEO DR, SAN MATEO, CA 94401(650) 343-4200 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 7, 2023, Jun 19, 2020 (2 updates tracked since 2020).

About Christina E Tan Md NPPES

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

CHRISTINA E TAN MD (NPI 1245421254) is an individual pediatrics provider in San Mateo, California, licensed in California (G739220) and active in the NPI registry since August 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1245421254
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameCHRISTINA E TANCredential: MD
Location Address123 S SAN MATEO DRSan Mateo, CA 94401-3804
Mailing Address325 Distel CirLos Altos, CA 94022-1408 · (650) 652-8720
Phone(650) 343-4200
Sole ProprietorNo
Enumeration DateAugust 5, 2007
Last NPPES UpdateMarch 7, 20232 updates tracked since enumeration
NPPES CertifiedJune 19, 2020
✔ NPI 1245421254 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · G739220
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.
123 S SAN MATEO DR, San Mateo, CA 94401
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Other Names 1

Former Name (1)Christina E Wang Md

Other Identifiers 1

MedicaidGR0081923CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Christina E 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 94401 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 7

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

DIANE KEIKO SUWABE MD
Pediatrics
123 S SAN MATEO DR
SAN MATEO, CA 94401
San Mateo County (650) 343-4200
MS. SARAH EUGENIA WATERMULDER
Social Worker (Clinical)
123 S SAN MATEO DR
SAN MATEO, CA 94401
San Mateo County (650) 343-4200
KENNETH MARK ROSENBAUM MD
Pediatrics
123 S SAN MATEO DR
SAN MATEO, CA 94401
San Mateo County (650) 343-4200
LAURA L MCMULLEN M.D.
Pediatrics
123 S SAN MATEO DR, STE 260
SAN MATEO, CA 94401
San Mateo County (650) 652-4200
VINCENT RENALDO MASON MD
Pediatrics
123 S SAN MATEO DR
SAN MATEO, CA 94401
San Mateo County (650) 343-4200
MS. SUSAN T VALENTIN R.N., M.S., N.P.
Nurse Practitioner (Pediatrics)
123 S SAN MATEO DR
SAN MATEO, CA 94401
San Mateo County (650) 343-4200
BAY AREA PEDIATRIC MEDICAL GROUP INC
Pediatrics
123 S SAN MATEO DR
SAN MATEO, CA 94401
San Mateo County (650) 343-4200

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 Christina Tan's NPI number?

The NPI number for Christina Tan is 1245421254. It was assigned to this individual provider in the NPPES registry on August 5, 2007. The provider is also known as Christina E Wang MD.

Where is Christina Tan located?

Christina Tan practices at 123 S San Mateo Dr, San Mateo, CA 94401. The listed phone number is (650) 343-4200.

What is Christina Tan's specialty?

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

Is Christina Tan enrolled in Medicare?

Yes. Christina Tan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Christina Tan was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.