Quick answers
- Where does Omar W. Jassim see patients?
- Medicare's clinician data lists 2 practice locations, including Wentzville, MO and Saint Louis, MO. Call before your visit to confirm the address.
- What is Omar W. Jassim's specialty?
- Medicare lists Dermatology as the primary specialty, and also Micrographic Dermatologic Surgery (MDS).
- Does Omar W. Jassim accept Medicare assignment?
- Yes. Medicare's clinician data says Omar W. Jassim accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Omar W. Jassim?
- (314) 842-5660, as listed in official Medicare / NPI Registry data.
- What is Omar W. Jassim's NPI number?
- 1649397415. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Omar W. Jassim is enrolled with Medicare (CMS data updated 2026-10-02).
- 1060 Meyer RdWentzville, MO 63385
- 12200 Weber Hill Rd, Suite 200Saint Louis, MO 63127 (314) 842‑5660
Group practices
Medicare enrollment lists Omar W. Jassim as a member of these groups (CMS data updated 2026-10-02).
- Dermatological Care, Inc.11 clinicians in the group
- Yoon Dermatology, LLC8 clinicians in the group
Specialties
Other dermatologists in Wentzville
Clinicians with the same Medicare primary specialty in Wentzville, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Washington University School Of Medicine |
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1649397415 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians