Quick answers
- Which hospitals does Timothy Witham work at?
- Medicare's official clinician data lists Timothy Witham at 3 hospitals: Johns Hopkins Bayview Medical Center, The Johns Hopkins Hospital and The University of Chicago Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Timothy Witham see patients?
- Medicare's clinician data lists 6 practice locations, including Hagerstown, MD, Forest Hill, MD and Chesterton, IN. Call before your visit to confirm the address.
- What is Timothy Witham's specialty?
- Medicare lists Neurosurgery as the primary specialty.
- Does Timothy Witham accept Medicare assignment?
- Yes. Medicare's clinician data says Timothy Witham 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.
- Does Timothy Witham offer telehealth?
- Medicare's clinician data says Timothy Witham offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Timothy Witham?
- (773) 702-1000, as listed in official Medicare / NPI Registry data.
- What is Timothy Witham's NPI number?
- 1841236825. 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 Witham works
Medicare's Facility Affiliation Data lists Timothy Witham at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Johns Hopkins Bayview Medical CenterBaltimore, MD · Acute Care Hospital · CCN 210029
- The Johns Hopkins HospitalBaltimore, MD · Acute Care Hospital · CCN 210009
- The University of Chicago Medical CenterChicago, IL · Acute Care Hospital · CCN 140088
Practice locations
Addresses where Timothy Witham is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 11110 Medical Campus RdHagerstown, MD 21742
- 12 Newport DrForest Hill, MD 21050
- 12 Newport Dr, Suite AForest Hill, MD 21050
- 425 Sand Creek DrChesterton, IN 46304
- 425 Sand Creek Dr, Suite CChesterton, IN 46304
Group practices
Medicare enrollment lists Timothy Witham as a member of these groups (CMS data updated 2026-10-02).
- University of Chicago1,712 clinicians in the group
- The University of Chicago Medical Center915 clinicians in the group
- Meritus Medical Center Inc743 clinicians in the group
- Agape Physical Therapy and Sports Rehabilitation LP678 clinicians in the group
- Chesterton Physical Therapy Inc186 clinicians in the group
Specialties
- Neurosurgeryprimary
Other neurosurgeons in Hagerstown
Clinicians with the same Medicare primary specialty in Hagerstown, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Johns Hopkins University School Of Medicine |
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1841236825 |
| 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