East End Internal Medicine PC
NPI 1689985145 · Internal Medicine Physician · Riverhead, NY
East End Internal Medicine PC is a Internal Medicine Physician organization in Riverhead, NY (NPI 1689985145).
Provider details
- NPI number
- 1689985145
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- William Kornrich, President(631) 727-6122
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
15 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
- 2010-06-29
- Last updated
- 2010-06-29
Frequently asked questions
- What is East End Internal Medicine PC's NPI number?
- East End Internal Medicine PC's National Provider Identifier (NPI) is 1689985145, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is East End Internal Medicine PC?
- East End Internal Medicine PC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is East End Internal Medicine PC located?
- East End Internal Medicine PC's practice location on file with NPPES is 887 Old Country Rd, Riverhead, NY 11901-2115.
- What is East End Internal Medicine PC's phone number?
- The practice phone number listed in the NPPES registry for East End Internal Medicine PC is (631) 727-6122.
- Who is the authorized official for East End Internal Medicine PC?
- The authorized official listed on East End Internal Medicine PC's NPPES record is William Kornrich, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is East End Internal Medicine PC's NPI active?
- Yes — East End Internal Medicine PC's NPI (1689985145) is active in the NPPES registry as of the last update on 2010-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.