Quick answers
- Which hospitals does Timothy G. Havenhill work at?
- Medicare's official clinician data lists Timothy G. Havenhill at 2 hospitals: Northwestern Medicine Central Dupage Hospital and Northwestern Medicine McHenry. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Timothy G. Havenhill see patients?
- Medicare's clinician data lists 11 practice locations, including Huntley, IL, Wheaton, IL and Crystal Lake, IL. Call before your visit to confirm the address.
- What is Timothy G. Havenhill's specialty?
- Medicare lists Hand Surgery as the primary specialty, and also Orthopedic Surgery.
- Does Timothy G. Havenhill accept Medicare assignment?
- Yes. Medicare's clinician data says Timothy G. Havenhill 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 Timothy G. Havenhill?
- (815) 356-2323, as listed in official Medicare / NPI Registry data.
- What is Timothy G. Havenhill's NPI number?
- 1124190723. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Timothy G. Havenhill works
Medicare's Facility Affiliation Data lists Timothy G. Havenhill at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- Northwestern Medicine McHenryMcHenry, IL · Acute Care Hospital · CCN 140116
Practice locations
Addresses where Timothy G. Havenhill is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 11; the Medicare profile lists all.
- 10370 Haligus RdHuntley, IL 60142
- 10400 Haligus RdHuntley, IL 60142 (815) 356‑2323
- 1800 N Main StWheaton, IL 60187 (630) 933‑4800
- 420 N Il Route 31Crystal Lake, IL 60012
- 4201 W Medical Ctr DrMcHenry, IL 60050 (815) 759‑4323
Group practices
Medicare enrollment lists Timothy G. Havenhill as a member of these groups (CMS data updated 2026-10-02).
- Northwestern Medical Faculty Foundation4,503 clinicians in the group
- Central Dupage Physician Group1,080 clinicians in the group
Specialties
- Hand Surgeryprimary
- Orthopedic Surgeryalso
Other hand surgeons in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Columbia University College Of Physicians And Surgeons |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1124190723 |
| 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