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DR. CHRISTOPHER WAN MD
NPI 1245346626
Emergency Medicine in Hayward, CA

Active since August 21, 2006PECOS Enrolled
27400 HESPERIAN BLVD, KAISER HAYWARD EMERGENCY DEPT., HAYWARD, CA 94545(510) 784-4521 Get Directions Write a Review

NPPES record last updated: December 9, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Christopher Wan Md NPPES

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

DR. CHRISTOPHER WAN MD (NPI 1245346626) is an individual emergency medicine provider in Hayward, California, licensed in Illinois (036-108258) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1245346626
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. CHRISTOPHER WANCredential: MD
Location Address27400 HESPERIAN BLVD, KAISER HAYWARD EMERGENCY DEPT.Hayward, CA 94545-4235
Mailing Address27400 Hesperian Blvd, Kaiser Hayward Emergency Dept.Hayward, CA 94545-4235 · (650) 248-5751
Phone(510) 784-4521
Sole ProprietorNo
Enumeration DateAugust 21, 2006
Last NPPES UpdateDecember 9, 2021
✔ NPI 1245346626 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in IL · 036-108258
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedEmergency Medicine · Emergency Medical ServicesTaxonomy 207PE0004X · License A88069 (CA)
27400 HESPERIAN BLVD, Hayward, CA 94545
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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)

Dr. Christopher Wan 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 94545 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 20

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

DR. MANI M KAMMULA PHARMD
Pharmacist
27400 HESPERIAN BLVD
HAYWARD, CA 94545
Alameda County (510) 784-4462
JAY EDWARD VALLORTIGARA RPH
Pharmacist (Oncology)
27400 HESPERIAN BLVD
HAYWARD, CA 94545
Alameda County (510) 784-4479
BINAL ARUNKUMAR PATEL RPH
Pharmacist
27400 HESPERIAN BLVD
HAYWARD, CA 94545
Alameda County (510) 784-4463
DR. AARON PESSL M.D.
Emergency Medicine
27400 HESPERIAN BLVD
HAYWARD, CA 94545
Alameda County (510) 784-4525
MS. ISABEL PAPP PA
Physician Assistant (Medical)
27400 HESPERIAN BLVD
HAYWARD, CA 94545
Alameda County (510) 784-4528
WAYNE BARBER MD
Otolaryngology
27400 HESPERIAN BLVD
HAYWARD, CA 94545
Alameda County (510) 784-4000
DR. JARED MICHIO NAKASHIMA PHARM.D.
Pharmacist
27400 HESPERIAN BLVD, KAISER HAYWARD INPATIENT PHARMACY
HAYWARD, CA 94545
Alameda County (510) 784-4938
CHITRA R. REDDY MD
Internal Medicine (Nephrology)
27400 HESPERIAN BLVD
HAYWARD, CA 94545
Alameda County (510) 784-4000

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 Christopher Wan's NPI number?

The NPI number for Christopher Wan is 1245346626. It was assigned to this individual provider in the NPPES registry on August 21, 2006.

Where is Christopher Wan located?

Christopher Wan practices at 27400 Hesperian Blvd Kaiser Hayward Emergency Dept., Hayward, CA 94545. The listed phone number is (510) 784-4521.

What is Christopher Wan's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Christopher Wan enrolled in Medicare?

Yes. Christopher Wan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Christopher Wan was last updated on December 9, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.