Quick answers
- Which hospitals does Violet Onkoba work at?
- Medicare's official clinician data lists Violet Onkoba at 3 hospitals: Ascension Providence Hospital, Southfield and Novi…, Henry Ford Health St John Hospital and Sinai-Grace Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Violet Onkoba see patients?
- Medicare's clinician data lists 4 practice locations, including Detroit, MI, Southfield, MI and Novi, MI. Call before your visit to confirm the address.
- What is Violet Onkoba's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Violet Onkoba accept Medicare assignment?
- Yes. Medicare's clinician data says Violet Onkoba 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 Violet Onkoba?
- (313) 343-4000, as listed in official Medicare / NPI Registry data.
- What is Violet Onkoba's NPI number?
- 1023247400. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Violet Onkoba works
Medicare's Facility Affiliation Data lists Violet Onkoba at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension Providence Hospital, Southfield and Novi…Southfield, MI · Acute Care Hospital · CCN 230019
- Henry Ford Health St John HospitalDetroit, MI · Acute Care Hospital · CCN 230165
- Sinai-Grace HospitalDetroit, MI · Acute Care Hospital · CCN 230024
Practice locations
Addresses where Violet Onkoba is enrolled with Medicare (CMS data updated 2026-10-02).
- 22101 Moross RdDetroit, MI 48236 (313) 343‑4000
- 27209 Lahser Rd, Suite 128Southfield, MI 48034 (248) 353‑0200
- 47601 Grand River AveNovi, MI 48374 (248) 465‑4100
- 6071 W Outer DrDetroit, MI 48235 (313) 966‑3300
Group practices
Medicare enrollment lists Violet Onkoba as a member of these groups (CMS data updated 2026-10-02).
- Acute Care Surgeons PC15 clinicians in the group
- United Trauma Care PLC7 clinicians in the group
- Critical Care Surgeons PLLC6 clinicians in the group
- United Critical Care PLC3 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Detroit
Clinicians with the same Medicare primary specialty in Detroit, MI — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2009 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023247400 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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