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

Dr. Maria Nguyen Tantsits, OD

Individual provider Optometrist · NPI 1528683190

Dr. Maria Nguyen Tantsits, OD is an Optometry in Saint Louis, Missouri. Graduated from University of Missouri St Louis - School of Optometry in 2020, 6 years ago. Practices with Mercy Clinic Ophthalmology LLC, a 17-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
6
Trained at
University of Missouri St Louis - School of Optometry
Licensed in
MO
In the registry since
2020
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

621 S New Ballas Rd Ste 140A
Saint Louis, MO 63141-8254
Phone: (314) 251-6410
Fax: (314) 251-4392
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 34 Hampton Village Plz, Saint Louis, MO 63109-2127 — (314) 752-2679

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 2020015819 (MO)

Record details

NPI number1528683190
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorNo
NPI enumeratedJune 10, 2020
Last updated in NPPESJanuary 23, 2026
Certification dateJanuary 23, 2026

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 2020 (6 years in practice)
Group practice Mercy Clinic Ophthalmology Llc — 17 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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