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

Sean Michael Arrieta Villaflores, MD

Individual provider Internal Medicine Physician · NPI 1821678962

Sean Michael Arrieta Villaflores, MD is an Internal Medicine in Richmond Heights, Missouri. Qualified in 2018, 8 years ago. Practices with American Multispecialty Group Inc, a 118-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
8
Licensed in
MO
In the registry since
2021
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

1027 Bellevue Ave Ste 107
Richmond Heights, MO 63117-1851
Phone: (314) 645-3743
Fax: (314) 647-7967
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 2024030784 (MO)

Record details

NPI number1821678962
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 13, 2021
Last updated in NPPESAugust 22, 2024
Certification dateAugust 22, 2024

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice American Multispecialty Group Inc — 118 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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