Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1306885918 Individual Practitioner Male Practitioner

Dr. John Leon Marquardt , MD

Ophthalmology • Mansfield, OH

Professional Overview & Biography Verified Profile Summary

Dr. John Marquardt, MD is a registered healthcare professional specializing in Ophthalmology in Mansfield, OH. Practice services are available at 466 S TRIMBLE RD under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

466 S Trimble Rd

Mansfield, OH 449063416

Telephone 4197568000
Fax 4197567100
Associated Practice Facility / Clinic
🏢 Ohio Eye Associates, Inc. Facility NPI 1861448326

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Mansfield, OH

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 11.7 Yrs
State Avg: 27.9 Yrs
Regional Practice Density
6 Specialists

Practicing in Mansfield, OH (803 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

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License OH 35035303

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
0269892 (OH)
Commercial Insurance / Payer ID Anthem Bc/bs
000000128144 (OH)
Commercial Insurance / Payer ID Aetna
4277845 (OH)
Commercial Insurance / Payer ID United Healthcare
0800182 (OH)
Commercial Insurance / Payer ID Cigna
341171920001 (OH)

Practice Associates & Co-Workers

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

11 Associated Practitioners
NPI 1184309205

Doctor of Optometry

NPI 1194778126

Doctor of Medicine (M.D.)

NPI 1215254917

Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)

Dr. Lisa Chung , MD

Ophthalmology

NPI 1306377221

Doctor of Medicine (M.D.)

NPI 1356879910

Doctor of Optometry

NPI 1407801699

Doctor of Optometry

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 466 S TRIMBLE RD, MANSFIELD, OH 449063416 (Tel: 4197568000)

📍
Updated Business Mailing Address July 08, 2007

Registered at 466 S TRIMBLE RD, MANSFIELD, OH 449063416 (Tel: 4197568000)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as JOHN MARQUARDT, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Ophthalmology (License #35035303 in OH)

🟢
Initial NPI Registration & Enumeration June 06, 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: 1306885918
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 06, 2006
Last Update: July 13, 2026
Sole Proprietor: No

Mailing Address

466 S Trimble Rd

Mansfield, OH 449063416

Phone: 4197568000

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.