Quick answers
- Which hospitals does Deirdre Harrington work at?
- Medicare's official clinician data lists Deirdre Harrington at 4 hospitals: Lenox Hill Hospital, St John's Episcopal Hospital at South Shore, Westchester Medical Center and White Plains Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Deirdre Harrington see patients?
- Medicare's clinician data lists 5 practice locations, including New York, NY, Port Jefferson, NY and Poughkeepsie, NY. Call before your visit to confirm the address.
- What is Deirdre Harrington's specialty?
- Medicare lists Hospitalist as the primary specialty.
- Does Deirdre Harrington accept Medicare assignment?
- Yes. Medicare's clinician data says Deirdre Harrington 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 Deirdre Harrington offer telehealth?
- Medicare's clinician data says Deirdre Harrington offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Deirdre Harrington?
- (212) 434-2140, as listed in official Medicare / NPI Registry data.
- What is Deirdre Harrington's NPI number?
- 1811421944. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Deirdre Harrington works
Medicare's Facility Affiliation Data lists Deirdre Harrington at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Lenox Hill HospitalNew York, NY · Acute Care Hospital · CCN 330119
- St John's Episcopal Hospital at South ShoreFar Rockaway, NY · Acute Care Hospital · CCN 330395
- Westchester Medical CenterValhalla, NY · Acute Care Hospital · CCN 330234
- White Plains Hospital CenterWhite Plains, NY · Acute Care Hospital · CCN 330304
Practice locations
Addresses where Deirdre Harrington is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 E 77th StNew York, NY 10075 (212) 434‑2140
- 200 Belle Terre RdPort Jefferson, NY 11777 (240) 686‑2300
- 241 N RdPoughkeepsie, NY 12601 (845) 483‑5000
- 327 Beach 19th StFar Rockaway, NY 11691 (718) 869‑7000
- 41 E Post RdWhite Plains, NY 10601 (914) 681‑0600
Group practices
Medicare enrollment lists Deirdre Harrington as a member of these groups (CMS data updated 2026-10-02).
- North Shore-Lij Medical PC6,440 clinicians in the group
- East Post Road Medical Services PC429 clinicians in the group
- New York Medical Physician Associates PC202 clinicians in the group
- Port Emergency Medical Services PC43 clinicians in the group
Specialties
- Hospitalistprimary
Other hospitalists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1811421944 |
| 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