Mercy Internal Medicine PC
NPI 1376734079 · 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 Internal Medicine PC is a Internal Medicine Physician organization in Rockville Centre, NY (NPI 1376734079).
Provider details
- NPI number
- 1376734079
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- John Reilly, Direcor(516) 705-1353
- License
- 178140 (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
18 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
Registry dates
- Enumerated
- 2007-08-07
- Last updated
- 2008-04-08
Frequently asked questions
- What is Mercy Internal Medicine PC's NPI number?
- Mercy Internal Medicine PC's National Provider Identifier (NPI) is 1376734079, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mercy Internal Medicine PC?
- Mercy Internal Medicine PC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mercy Internal Medicine PC located?
- Mercy Internal Medicine PC's practice location on file with NPPES is 1000 N. Village Avenue, Rockville Centre, NY 11571.
- What is Mercy Internal Medicine PC's phone number?
- The practice phone number listed in the NPPES registry for Mercy Internal Medicine PC is (516) 705-1353.
- Does Mercy Internal Medicine PC accept Medicare?
- Mercy Internal Medicine PC 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 Internal Medicine PC?
- The authorized official listed on Mercy Internal Medicine PC's NPPES record is John Reilly, Direcor. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mercy Internal Medicine PC's NPI active?
- Yes — Mercy Internal Medicine PC's NPI (1376734079) is active in the NPPES registry as of the last update on 2008-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.