Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Ronald Herbert Lange, MD

Individual provider Ophthalmology Physician · NPI 1841291051

Dr. Ronald Herbert Lange, MD is an Ophthalmology in Eau Claire, Wisconsin. Graduated from Medical College of Wisconsin in 1980, 46 years ago. Practices with Chippewa Valley Eye Clinic Ltd, a 9-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
46
Trained at
Medical College of Wisconsin
Licensed in
WI
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2715 Damon St
Eau Claire, WI 54701-2634
Phone: (715) 834-8471
Fax: (715) 834-0373
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1705 16th Ave, Cumberland, WI 54829-8601 — (715) 834-8471

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence 23994-020 (WI)

Record details

NPI number1841291051
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 10, 2005
Last updated in NPPESApril 15, 2025
Certification dateApril 15, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPHTHALMOLOGY
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 1980 (46 years in practice)
Group practice Chippewa Valley Eye Clinic Ltd — 9 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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