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Active NPI 1548211774 Individual Practitioner Male Practitioner

Dr. James A Knupp , MD

Ophthalmology • Toledo, OH

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. James Knupp, MD is a certified Ophthalmology practicing in Toledo, OH. With approximately 48 years of clinical experience since graduating from Ohio State University College Of Medicine in 1978, Dr. Knupp delivers high-quality medical care to the local community at 1000 REGENCY CT STE 100.

Dr. Knupp is affiliated with Associated Eye Care Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient complete exam of visual system, imaging of optic nerve, exam of visual field with extended testing. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1000 Regency Ct Ste 100

Toledo, OH 436233074

Telephone 4198820588
Fax 4198853070
Associated Practice Facility / Clinic
🏢 Associated Eye Care Inc Facility NPI 1720155534

Medicare Profile & Education

Medical School

Ohio State University College Of Medicine

Graduation Year

1978

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Toledo, OH

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
48 Yrs +19.6 yrs vs City Avg
City Avg: 28.4 Yrs
State Avg: 27.9 Yrs
Regional Practice Density
35 Specialists

Practicing in Toledo, OH (803 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
30.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Knupp (48 Years) 48 Yrs
Toledo Specialty Average (28.4 Years) 28.4 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
92014 Established patient complete exam of visual system
156 135 $160.00 $120.48
92133 Imaging of optic nerve
136 119 $66.18 $32.93
92083 Exam of visual field with extended testing
130 115 $91.69 $59.69
99213 Established patient office or other outpatient visit, typically 15 minutes
121 98 $118.18 $88.40
92012 Established patient problem focused exam of visual system
93 64 $117.96 $85.13
92134 Imaging of retina
60 54 $68.67 $38.03
92060 Exam to measure eye deviation and range of motion
51 39 $90.00 $60.10
92020 Examination of cornea and iris using lens device and slit lamp
35 34 $50.00 $26.28
92250 Photography of the retina
26 26 $64.62 $34.83
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
24 23 $160.00 $122.36
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
12 12 $200.00 $163.43

Medical Specialties & State Licenses

CMS Verified: 2025-11-19
Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License OH 35042466

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.

Ophthalmology

NUCC Taxonomy Code: 207W00000X

State License IL 036075866

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
0086973 (OH)
Medicaid State Provider ID
036075866 (IL)

Hospital & Practice Group Affiliations

Associated Eye Care Inc

1000 Regency Ct, Toledo, OH 436233074

Phone: 4198820588

Secondary Practice Locations

960 W Wooster St Ste 216

Bowling Green, OH 434022650

Phone: 4193525500

Practice Associates & Co-Workers

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

8 Associated Practitioners
NPI 1073006318

Doctor of Medicine (M.D.)

NPI 1093710337

Doctor of Optometry

NPI 1104853753

Doctor of Medicine (M.D.)

NPI 1205871787

Doctor of Medicine (M.D.)

NPI 1407851736

Doctor of Medicine (M.D.)

Dr. Sami Khan , MD

Ophthalmology

NPI 1619400900

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

9 Historical Events
📍
Updated Practice Location November 19, 2025

Registered at 1000 REGENCY CT STE 100, TOLEDO, OH 436233074 (Tel: 4198820588)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 19, 2025

Ophthalmology (License #35042466 in OH)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 03, 2023

Ophthalmology (License #036075866 in IL)

NPI Profile Active July 25, 2013

NPI status registered as active in NPPES database

📍
Updated Practice Location July 25, 2013

Registered at 1000 REGENCY CT, SUITE 100, TOLEDO, OH 436233091 (Tel: 4198820588)

📍
Updated Business Mailing Address July 25, 2013

Registered at 1000 REGENCY CT, SUITE 100, TOLEDO, OH 436233091 (Tel: 4198820588)

👤
Provider Name / Credentials Updated July 25, 2013

Recorded as JAMES KNUPP, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 25, 2013

Ophthalmology (License #35042466 in OH)

🟢
Initial NPI Registration & Enumeration May 12, 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: 1548211774
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 12, 2006
Last Update: November 19, 2025
Sole Proprietor: No

Mailing Address

1000 Regency Ct, Suite 100

Toledo, OH 436233091

Phone: 4198820588

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.