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

Dr. Robert Ara Petrossian, MD

Individual provider Urology Physician · NPI 1912436015

Dr. Robert Ara Petrossian, MD is an Urology in Saint Louis, Missouri. Graduated from Oakland Univ, William Beaumont School of Medicine in 2017, 9 years ago. Practices with Urology of St Louis Inc, a 111-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
9
Trained at
Oakland Univ, William Beaumont School of Medicine
Licensed in
MO
In the registry since
2017
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

12855 N 40 Dr Ste 375
Saint Louis, MO 63141-8657
Phone: (314) 567-6071
Show map & directions

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

Additional practice locations (2)

  • 326 Fountains Pkwy, Fairview Heights, IL 62208-2041 — (618) 277-3109
  • 3 Saint Elizabeth Blvd Ste 3200, O Fallon, IL 62269-1281 — (618) 489-8030

Specialties & licences

Urology Physician (primary) Taxonomy 208800000X · Licence 2023045072 (MO)

Record details

NPI number1912436015
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 12, 2017
Last updated in NPPESNovember 8, 2023
Certification dateNovember 8, 2023

Medicare enrollment

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

Medicare specialtyUROLOGY
Medical schoolOAKLAND UNIV, WILLIAM BEAUMONT SCHOOL OF MEDICINE
Graduated 2017 (9 years in practice)
Group practice Urology Of St Louis Inc — 111 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Saint Louis