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Active NPI 1588769558 Individual Practitioner Male Practitioner

Dr. John Mersch , MD

Pediatrics • Ladera Ranch, CA

Professional Overview & Biography Verified Profile Summary

Dr. John Mersch, MD is a registered healthcare professional specializing in Pediatrics in Ladera Ranch, CA. Practice services are available at 777 CORPORATE DR under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

777 Corporate Dr
Suite 250

Ladera Ranch, CA 926942135

Telephone 9493881798
Associated Practice Facility / Clinic
🏢 Monique M Nguyen, Od, Inc Facility NPI 1376713123

Specialty Benchmarks & Practice Insights

Comparative analytics for Pediatrics in Ladera Ranch, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.5 Yrs
State Avg: 22.5 Yrs
Regional Practice Density
8 Specialists

Practicing in Ladera Ranch, 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

Pediatrics Primary Specialty

NUCC Taxonomy Code: 208000000X

State License CA G40887

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.

Practice Associates & Co-Workers

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

5 Associated Practitioners
NPI 1245301407

Doctor of Medicine (M.D.)

NPI 1538265285

Doctor of Medicine (M.D.)

NPI 1568567527

Doctor of Medicine (M.D.)

NPI 1679679336

Doctor of Medicine (M.D.)

NPI 1982916375

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active March 13, 2012

NPI status registered as active in NPPES database

📍
Updated Practice Location March 13, 2012

Registered at 777 CORPORATE DR, SUITE 250, LADERA RANCH, CA 926942135 (Tel: 9493881798)

📍
Updated Business Mailing Address March 13, 2012

Registered at 23321 EL TORO RD, SUITES F&G, LAKE FOREST, CA 926304825 (Tel: 9497700513)

👤
Provider Name / Credentials Updated March 13, 2012

Recorded as JOHN MERSCH, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 13, 2012

Pediatrics (License #G40887 in CA)

🟢
Initial NPI Registration & Enumeration September 14, 2006

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: 1588769558
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: September 14, 2006
Last Update: March 13, 2012
Sole Proprietor: No

Mailing Address

23321 El Toro Rd, Suites F&g

Lake Forest, CA 926304825

Phone: 9497700513

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.