Quick answers
- Which hospitals does David T. Ennis work at?
- Medicare's official clinician data lists David T. Ennis at 3 hospitals: Hudson Valley Hospital Center, Northern Westchester Hospital and Phelps Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David T. Ennis see patients?
- Medicare's clinician data lists 1 practice location in Yorktown Heights, NY. Call before your visit to confirm the address.
- What is David T. Ennis's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does David T. Ennis accept Medicare assignment?
- Yes. Medicare's clinician data says David T. Ennis 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 David T. Ennis offer telehealth?
- Medicare's clinician data says David T. Ennis offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for David T. Ennis?
- (914) 962-4000, as listed in official Medicare / NPI Registry data.
- What is David T. Ennis's NPI number?
- 1306839592. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David T. Ennis works
Medicare's Facility Affiliation Data lists David T. Ennis at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hudson Valley Hospital CenterCortlandt Manor, NY · Acute Care Hospital · CCN 330267
- Northern Westchester HospitalMount Kisco, NY · Acute Care Hospital · CCN 330162
- Phelps HospitalSleepy Hollow, NY · Acute Care Hospital · CCN 330261
Practice locations
Addresses where David T. Ennis is enrolled with Medicare (CMS data updated 2026-10-02).
- 1838 Commerce StYorktown Heights, NY 10598 (914) 962‑4000
Group practices
Medicare enrollment lists David T. Ennis as a member of this group (CMS data updated 2026-10-02).
- Westchester Health Medical PC88 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Yorktown Heights
Clinicians with the same Medicare primary specialty in Yorktown Heights, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 1983 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1306839592 |
| 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