Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1669903126 Individual Practitioner Male Practitioner

Dr. Alexander Lee Werne , MD

Pediatrics • Mountain View, CA

Professional Overview & Biography Verified Profile Summary

Dr. Alexander Werne, MD is a registered healthcare professional specializing in Pediatrics in Mountain View, CA. Practice services are available at 701 E EL CAMINO REAL under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

701 E El Camino Real

Mountain View, CA 940402833

Telephone 6509347850
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Pediatrics in Mountain View, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 5.5 Yrs
State Avg: 22.5 Yrs
Regional Practice Density
52 Specialists

Practicing in Mountain View, CA (9612 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2025-06-06
Pediatrics Primary Specialty

NUCC Taxonomy Code: 208000000X

State License CA A160064

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.

Secondary Practice Locations

1101 Van Ness Ave

San Francisco, CA 941096919

Phone: 4156002722

725 Welch Rd

Palo Alto, CA 943041601

Phone: 6504978000

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

7 Associated Practitioners
Santiago Rozo

Pediatrics

NPI 1093274821
NPI 1124687959

Doctor of Medicine (M.D.)

NPI 1134486673

Doctor of Medicine (M.D.)

NPI 1275160046

Doctor of Medicine (M.D.)

NPI 1326677865

Doctor of Osteopathic Medicine (D.O.)

NPI 1619537719

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

14 Historical Events
📍
Updated Business Mailing Address June 06, 2025

Registered at PO BOX 276950, SACRAMENTO, CA 958276950 (Tel: 6509347850)

📍
Updated Business Mailing Address April 28, 2024

Registered at 725 WELCH RD, PALO ALTO, CA 943041601 (Tel: 6504978000)

📍
Updated Practice Location November 02, 2022

Registered at 701 E EL CAMINO REAL, MOUNTAIN VIEW, CA 940402833 (Tel: 6509347850)

📍
Updated Business Mailing Address November 02, 2022

Registered at 325 DISTEL CIR, LOS ALTOS, CA 940221408

📍
Updated Practice Location January 20, 2022

Registered at 1101 VAN NESS AVE, SAN FRANCISCO, CA 941096919 (Tel: 4156002722)

📍
Updated Business Mailing Address January 20, 2022

Registered at 1101 VAN NESS AVE, SAN FRANCISCO, CA 941096919 (Tel: 6506002722)

👤
Provider Name / Credentials Updated January 20, 2022

Recorded as ALEXANDER WERNE, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 20, 2022

Pediatrics (License #A160064 in CA)

NPI Profile Active March 24, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location March 24, 2017

Registered at 550 16TH ST, BOX 0110, SAN FRANCISCO, CA 941432549 (Tel: 4154769181)

📍
Updated Business Mailing Address March 24, 2017

Registered at 39 IRON WORKS LN, HOLLIS, NH 030496447 (Tel: 6033211334)

👤
Provider Name / Credentials Updated March 24, 2017

Recorded as ALEXANDER WERNE

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 24, 2017

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration March 24, 2017

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1669903126
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 24, 2017
Last Update: June 06, 2025
Sole Proprietor: No

Mailing Address

Po Box 276950

Sacramento, CA 958276950

Phone: 6509347850

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.