Quick answers
- Which hospitals does Gregg M. Lanier work at?
- Medicare's official clinician data lists Gregg M. Lanier at 5 hospitals: Garnet Health Medical Center, Good Samaritan Hospital of Suffern, Healthalliance Hospital Marys Avenue Campus, Montefiore St Luke's Cornwall and Westchester Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregg M. Lanier see patients?
- Medicare's clinician data lists 3 practice locations, including Valhalla, NY, Hawthorne, NY and Suffern, NY. Call before your visit to confirm the address.
- What is Gregg M. Lanier's specialty?
- Medicare lists Advanced Heart Failure and Transplant Cardiology as the primary specialty, and also Cardiovascular Disease (Cardiology).
- Does Gregg M. Lanier accept Medicare assignment?
- Yes. Medicare's clinician data says Gregg M. Lanier 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 Gregg M. Lanier offer telehealth?
- Medicare's clinician data says Gregg M. Lanier offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Gregg M. Lanier?
- (914) 909-9018, as listed in official Medicare / NPI Registry data.
- What is Gregg M. Lanier's NPI number?
- 1720099732. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregg M. Lanier works
Medicare's Facility Affiliation Data lists Gregg M. Lanier at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Garnet Health Medical CenterMiddletown, NY · Acute Care Hospital · CCN 330126
- Good Samaritan Hospital of SuffernSuffern, NY · Acute Care Hospital · CCN 330158
- Healthalliance Hospital Marys Avenue CampusKingston, NY · Acute Care Hospital · CCN 330224
- Montefiore St Luke's CornwallNewburgh, NY · Acute Care Hospital · CCN 330264
- Westchester Medical CenterValhalla, NY · Acute Care Hospital · CCN 330234
Practice locations
Addresses where Gregg M. Lanier is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Woods RdValhalla, NY 10595 (914) 909‑9018
- 19 Bradhurst Ave, Suite 3060nHawthorne, NY 10532 (914) 372‑7887
- 257 Lafayette AveSuffern, NY 10901
Group practices
Medicare enrollment lists Gregg M. Lanier as a member of these groups (CMS data updated 2026-10-02).
- Westchester Medical Center Advanced Physician Services PC897 clinicians in the group
- Bon Secours Charity Health System Medical Group, P.C.157 clinicians in the group
Specialties
Find other Advanced Heart Failure and Transplant Cardiology doctors in New York →
Other heart failure and transplant cardiologists in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
- Stephen Pan, MD
- Gabriel Sayer, MD
- Sabu Thomas, MD
- Shudhanshu Alishetti, MD
- Carine E. Hamo, MD
- Estefania Oliveros Soles, MD
- David Mintz, DO
- Jennifer McLeod, MD
All heart failure and transplant cardiologists in New York →
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1720099732 |
| 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