Quick answers
- Which hospitals does Frank J. Kessler work at?
- Medicare's official clinician data lists Frank J. Kessler at 2 hospitals: Danbury Hospital and Putnam Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Frank J. Kessler see patients?
- Medicare's clinician data lists 1 practice location in Brewster, NY. Call before your visit to confirm the address.
- What is Frank J. Kessler's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Frank J. Kessler accept Medicare assignment?
- Medicare's clinician data says Frank J. Kessler may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- Does Frank J. Kessler offer telehealth?
- Medicare's clinician data says Frank J. Kessler offers telehealth services. Ask the office which visits can be done by video or phone.
- What is Frank J. Kessler's NPI number?
- 1679500086. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Frank J. Kessler works
Medicare's Facility Affiliation Data lists Frank J. Kessler at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Danbury HospitalDanbury, CT · Acute Care Hospital · CCN 070033
- Putnam Hospital CenterCarmel, NY · Acute Care Hospital · CCN 330273
Practice locations
Addresses where Frank J. Kessler is enrolled with Medicare (CMS data updated 2026-10-02).
- 3423 Danbury RdBrewster, NY 10509
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Brewster
Clinicians with the same Medicare primary specialty in Brewster, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Jefferson Medical College Of Thomas Jefferson University |
| Graduation year | 1983 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1679500086 |
| 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