Mercy Medical Center
NPI 1619245610 · Internal Medicine Physician · Rockville Centre, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mercy Medical Center is a Internal Medicine Physician organization in Rockville Centre, NY (NPI 1619245610).
Provider details
- NPI number
- 1619245610
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Alan Guerci, President and Ceo(516) 562-6798
- License
- 2909000H (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Other name
- Mercy Medical Center-Physician Services
Registry dates
- Enumerated
- 2011-12-05
- Last updated
- 2011-12-05
Frequently asked questions
- What is Mercy Medical Center's NPI number?
- Mercy Medical Center's National Provider Identifier (NPI) is 1619245610, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mercy Medical Center?
- Mercy Medical Center is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mercy Medical Center located?
- Mercy Medical Center's practice location on file with NPPES is 1000 N. Village Avenue, Rockville Centre, NY 11570.
- What is Mercy Medical Center's phone number?
- The practice phone number listed in the NPPES registry for Mercy Medical Center is (516) 705-1613.
- Does Mercy Medical Center accept Medicare?
- Mercy Medical Center is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Mercy Medical Center?
- The authorized official listed on Mercy Medical Center's NPPES record is Alan Guerci, President and Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mercy Medical Center's NPI active?
- Yes — Mercy Medical Center's NPI (1619245610) is active in the NPPES registry as of the last update on 2011-12-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.