ALEXANDER LEE WERNE MD
NPI 1669903126
Pediatrics in Mountain View, CA

Q: What is Alexander Werne's NPI number?

The NPI number for Alexander Werne is 1669903126. It was assigned to this individual provider in the NPPES registry on March 24, 2017.

Q: What is Alexander Werne'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 Alexander Werne was last updated on June 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.

Active since March 24, 2017PECOS Enrolled

701 E EL CAMINO REAL, MOUNTAIN VIEW, CA 94040(650) 934-7850 Get Directions Write a Review

NPPES record last updated: June 6, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 6, 2025, Apr 28, 2024, Dec 8, 2022 and 4 more (7 updates tracked since 2017).

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About Alexander Lee Werne Md NPPES

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

ALEXANDER LEE WERNE MD (NPI 1669903126) is an individual pediatrics provider in Mountain View, California, licensed in California (A160064) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1669903126

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameALEXANDER LEE WERNECredential: MD

Location Address701 E EL CAMINO REALMountain View, CA 94040-2833

Mailing AddressPo Box 276950Sacramento, CA 95827-6950 · (650) 934-7850

Phone(650) 934-7850

Sole ProprietorNo

Enumeration DateMarch 24, 2017

Last NPPES UpdateJune 6, 20257 updates tracked since enumeration

NPPES CertifiedJune 6, 2025

✔ NPI 1669903126 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in CA · A160064

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.

701 E EL CAMINO REAL, Mountain View, CA 94040

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Secondary Practice Locations 2

Location 11101 Van Ness AveSan Francisco, CA 94109-6919 · Phone (415) 600-2722

Location 2725 Welch RdPalo Alto, CA 94304-1601 · Phone (650) 497-8000

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alexander Lee Werne 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 94040 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

$106.47 typical visit price

range $70.37 – $206.04

Typical copayment $26.61 (range $17.59 – $51.51)

Most-billed visit code 99203

Established Patient

$121.77 typical visit price

range $23.96 – $169.60

Typical copayment $30.44 (range $5.99 – $42.40)

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.

JULIA A CRONIN MD

Allergy & Immunology (Allergy)