Quick answers
- Which hospitals does Gregory Kaftan work at?
- Medicare's official clinician data lists Gregory Kaftan at 3 hospitals: Ascension All Saints Hospital, Ascension Columbia St Marys Hospital Milwaukee and Ascension St Francis Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory Kaftan see patients?
- Medicare's clinician data lists 1 practice location in Racine, WI. Call before your visit to confirm the address.
- What is Gregory Kaftan's specialty?
- Medicare lists Preventive Medicine as the primary specialty, and also Addiction Medicine.
- Does Gregory Kaftan accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory Kaftan 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 Gregory Kaftan offer telehealth?
- Medicare's clinician data says Gregory Kaftan offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Gregory Kaftan?
- (262) 687-2364, as listed in official Medicare / NPI Registry data.
- What is Gregory Kaftan's NPI number?
- 1083830335. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory Kaftan works
Medicare's Facility Affiliation Data lists Gregory Kaftan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension All Saints HospitalRacine, WI · Acute Care Hospital · CCN 520096
- Ascension Columbia St Marys Hospital MilwaukeeMilwaukee, WI · Acute Care Hospital · CCN 520051
- Ascension St Francis HospitalMilwaukee, WI · Acute Care Hospital · CCN 520078
Practice locations
Addresses where Gregory Kaftan is enrolled with Medicare (CMS data updated 2026-10-02).
- 1320 Wisconsin AveRacine, WI 53403 (262) 687‑2364
Group practices
Medicare enrollment lists Gregory Kaftan as a member of this group (CMS data updated 2026-10-02).
- Ascension Medical Group-Southeast Wisconsin Inc545 clinicians in the group
Specialties
- Preventive Medicineprimary
- Addiction Medicinealso
Other preventive medicine doctors in Wisconsin
Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.
Clinician information
| Medical school | Creighton University School Of Medicine |
|---|---|
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1083830335 |
| 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