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

Dr. Mark S Rallo, OD

Individual provider Optometrist · NPI 1700802931

Dr. Mark S Rallo, OD is an Optometry in Saint Louis, Missouri. Graduated from University of Missouri St Louis - School of Optometry in 1990, 36 years ago. Practices with Washington University, a 2,986-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
36
Trained at
University of Missouri St Louis - School of Optometry
Licensed in
MO
In the registry since
2006
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

1 Childrens Pl Ste 3110
Saint Louis, MO 63110-1002
Phone: (314) 454-6026
Fax: (866) 936-4559
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence T02932 (MO)

Record details

NPI number1700802931
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedJuly 14, 2006
Last updated in NPPESApril 17, 2025

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolUNIVERSITY OF MISSOURI ST LOUIS - SCHOOL OF OPTOMETRY
Graduated 1990 (36 years in practice)
Group practice Washington University — 2986 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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