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Active NPI 1669599403 Individual Practitioner Male Practitioner

Dr. Mark Paul Benjamin , OPTOMETRIST OD DEGRE

Optometrist - Vision Therapy • Merrillville, IN

Professional Overview & Biography Verified Profile Summary

Dr. Mark Benjamin, OPTOMETRIST OD DEGRE is a registered healthcare professional specializing in Optometrist - Vision Therapy in Merrillville, IN. Practice services are available at 759 EAST 81ST AVENUE under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

759 East 81st Avenue

Merrillville, IN 46410

Telephone 2197360013
Fax 2197698842

Specialty Benchmarks & Practice Insights

Comparative analytics for Optometrist - Vision Therapy in Merrillville, IN

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.5 Yrs
State Avg: 44.0 Yrs
Regional Practice Density
1 Specialists

Practicing in Merrillville, IN (6 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

Optometrist - Vision Therapy Primary Specialty

NUCC Taxonomy Code: 152WV0400X

State License IN 18002462B

Optometrists who specialize in vision therapy as a treatment process used to improve vision function. It includes a broad range of developmental and rehabilitative treatment programs individually prescribed to remediate specific sensory, motor and/or visual perceptual dysfunctions.

Optometrist

NUCC Taxonomy Code: 152W00000X

State License IN 18002462A

Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

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

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Updated Practice Location July 08, 2007

Registered at 759 EAST 81ST AVENUE, MERRILLVILLE, IN 46410 (Tel: 2197360013)

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Updated Business Mailing Address July 08, 2007

Registered at 823 WEST 89TH PLACE, MERRILLVILLE, IN 46410 (Tel: 2197951356)

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Provider Name / Credentials Updated July 08, 2007

Recorded as MARK BENJAMIN, OPTOMETRIST OD DEGRE

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

Optometrist (License #18002462A in IN)

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Initial NPI Registration & Enumeration March 26, 2007

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: 1669599403
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 26, 2007
Last Update: September 11, 2025
Sole Proprietor: No

Mailing Address

823 West 89th Place

Merrillville, IN 46410

Phone: 2197951356

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.