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

Robert Allen Lowenthal, MD

Individual provider Ophthalmology Physician · NPI 1871509323

Robert Allen Lowenthal, MD is an Ophthalmology in Springfield, Illinois. Graduated from Washington University School of Medicine in 1991, 35 years ago. Accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
35
Trained at
Washington University School of Medicine
Licensed in
IL
In the registry since
2006
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

1025 S 6th St
Springfield, IL 62703-2403
Phone: (217) 528-7541
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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 036099681 (IL)

Record details

NPI number1871509323
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 1, 2006
Last updated in NPPESMay 21, 2020
Certification dateMay 21, 2020
Mailing address1025 S 6th St, Springfield, IL 62703-2403

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolWASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1991 (35 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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