Quick answers
- Which hospitals does Dennis A. Styles work at?
- Medicare's official clinician data lists Dennis A. Styles at 2 hospitals: Healthalliance Hospital Marys Avenue Campus and Northern Dutchess Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Dennis A. Styles see patients?
- Medicare's clinician data lists 1 practice location in Mount Kisco, NY. Call before your visit to confirm the address.
- What is Dennis A. Styles's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Dennis A. Styles accept Medicare assignment?
- Yes. Medicare's clinician data says Dennis A. Styles 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 Dennis A. Styles?
- (914) 241-1050, as listed in official Medicare / NPI Registry data.
- What is Dennis A. Styles's NPI number?
- 1770503898. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Dennis A. Styles works
Medicare's Facility Affiliation Data lists Dennis A. Styles at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Healthalliance Hospital Marys Avenue CampusKingston, NY · Acute Care Hospital · CCN 330224
- Northern Dutchess HospitalRhinebeck, NY · Acute Care Hospital · CCN 330049
Practice locations
Addresses where Dennis A. Styles is enrolled with Medicare (CMS data updated 2026-10-02).
- 90 S Bedford RdMount Kisco, NY 10549 (914) 241‑1050
Group practices
Medicare enrollment lists Dennis A. Styles as a member of this group (CMS data updated 2026-10-02).
- Optum Medical Care PC1,010 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Mount Kisco
Clinicians with the same Medicare primary specialty in Mount Kisco, NY — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1770503898 |
| 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