Quick answers
- Which hospitals does Ewa B. Bak work at?
- Medicare's official clinician data lists Ewa B. Bak at 4 hospitals: Cleveland Clinic, Lake Health, UH Cleveland Medical Center and University Hospitals Ahuja Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ewa B. Bak see patients?
- Medicare's clinician data lists 2 practice locations, including Euclid, OH and Chesterland, OH. Call before your visit to confirm the address.
- What is Ewa B. Bak's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Ewa B. Bak accept Medicare assignment?
- Medicare's clinician data says Ewa B. Bak may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- Does Ewa B. Bak offer telehealth?
- Medicare's clinician data says Ewa B. Bak offers telehealth services. Ask the office which visits can be done by video or phone.
- What is Ewa B. Bak's NPI number?
- 1336185339. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ewa B. Bak works
Medicare's Facility Affiliation Data lists Ewa B. Bak at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cleveland ClinicCleveland, OH · Acute Care Hospital · CCN 360180
- Lake HealthConcord, OH · Acute Care Hospital · CCN 360098
- UH Cleveland Medical CenterCleveland, OH · Acute Care Hospital · CCN 360137
- University Hospitals Ahuja Medical CenterBeachwood, OH · Acute Care Hospital · CCN 360359
Practice locations
Addresses where Ewa B. Bak is enrolled with Medicare (CMS data updated 2026-10-02).
- 24701 Euclid AveEuclid, OH 44117
- 8055 Mayfield RdChesterland, OH 44026
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Ohio
Clinicians with the same Medicare primary specialty in Ohio — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1999 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1336185339 |
| 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