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

Dr. Michael Harry Mastromichalis, MD

Individual provider Urology Physician · NPI 1346444700

Dr. Michael Harry Mastromichalis, MD is an Urology in Fenton, Missouri. Graduated from West Virginia University School of Medicine in 2005, 21 years ago. Practices with Ths Physician Partners Inc, a 359-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
21
Trained at
West Virginia University School of Medicine
Licensed in
MO
In the registry since
2007
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

1011 Bowles Ave Ste 425
Fenton, MO 63026-2384
Phone: (636) 496-5030
Fax: (636) 496-5025
Show map & directions

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

Specialties & licences

Urology Physician (primary) Taxonomy 208800000X · Licence 2008016598 (MO)

Record details

NPI number1346444700
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 12, 2007
Last updated in NPPESNovember 5, 2020
Certification dateNovember 5, 2020

Medicare enrollment

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

Medicare specialtyUROLOGY
Medical schoolWEST VIRGINIA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice Ths Physician Partners Inc — 359 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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