Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Benjamin L Mason, MD

Individual provider Ophthalmology Physician · NPI 1457301442

Benjamin L Mason, MD is an Ophthalmology in Waterloo, Iowa. Graduated from University of Iowa, Rj & L Carver College of Medicine in 2001, 25 years ago. Practices with Wolfe Clinic Inc, a 37-clinician group and accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
25
Trained at
University of Iowa, Rj & L Carver College of Medicine
Licensed in
IA
In the registry since
2006
Specialties on file
2
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

999 Home Plz
Waterloo, IA 50701-4822
Phone: (319) 287-5890
Fax: (319) 287-5079
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence 36579 (IA)
Glaucoma Specialist (Ophthalmology) Physician Taxonomy 207WX0009X · Licence 36579 (IA)

Record details

NPI number1457301442
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 11, 2006
Last updated in NPPESFebruary 15, 2018
Mailing address309 E Church St, Marshalltown, IA 50158-2946

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolUNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Graduated 2001 (25 years in practice)
Group practice Wolfe Clinic Inc — 37 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

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