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

Dr. Omar W Jassim, MD, PHD

Individual provider MOHS-Micrographic Surgery Physician · NPI 1649397415

Dr. Omar W Jassim, MD, PHD is a Dermatology in Wentzville, Missouri. Graduated from Washington University School of Medicine in 2005, 21 years ago. Practices with Yoon Dermatology, LLC, an 8-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
21
Trained at
Washington University School of Medicine
Licensed in
MO
In the registry since
2007
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

1060 Meyer Rd
Wentzville, MO 63385-3800
Phone: (314) 230-1500
Fax: (314) 230-1122
Show map & directions

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

Additional practice locations (1)

  • 915 N Grand Blvd, Saint Louis, MO 63106-1621 — (314) 652-4100

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence 2010011911 (MO)
MOHS-Micrographic Surgery Physician Taxonomy 207ND0101X · Licence 2010011911 (MO)
Dermatopathology Physician Taxonomy 207ND0900X · Licence 2010011911 (MO)

Record details

NPI number1649397415
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedMarch 24, 2007
Last updated in NPPESApril 25, 2024
Certification dateApril 25, 2024

Medicare enrollment

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

Medicare specialtyDERMATOLOGY
Also practisesMICROGRAPHIC DERMATOLOGIC SURGERY (MDS)
Medical schoolWASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice Yoon Dermatology, Llc — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare