Union Internal & Geriatric Medicine, LLC
NPI 1114210689 · Geriatric Medicine (Internal Medicine) Physician · Union, NJ
Union Internal & Geriatric Medicine, LLC is a Geriatric Medicine (Internal Medicine) Physician organization in Union, NJ (NPI 1114210689).
Provider details
- NPI number
- 1114210689
- Entity type
- Organization
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Yaroslav Sidletskyy, Sole Member(908) 686-9000
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
- 2011-05-17
- Last updated
- 2011-05-19
Frequently asked questions
- What is Union Internal & Geriatric Medicine, LLC's NPI number?
- Union Internal & Geriatric Medicine, LLC's National Provider Identifier (NPI) is 1114210689, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Union Internal & Geriatric Medicine, LLC?
- Union Internal & Geriatric Medicine, LLC is classified in the NPPES registry as Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Union Internal & Geriatric Medicine, LLC located?
- Union Internal & Geriatric Medicine, LLC's practice location on file with NPPES is 440 Chestnut St, Union, NJ 07083-3100.
- What is Union Internal & Geriatric Medicine, LLC's phone number?
- The practice phone number listed in the NPPES registry for Union Internal & Geriatric Medicine, LLC is (908) 686-9000.
- Who is the authorized official for Union Internal & Geriatric Medicine, LLC?
- The authorized official listed on Union Internal & Geriatric Medicine, LLC's NPPES record is Yaroslav Sidletskyy, Sole Member. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Union Internal & Geriatric Medicine, LLC's NPI active?
- Yes — Union Internal & Geriatric Medicine, LLC's NPI (1114210689) is active in the NPPES registry as of the last update on 2011-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.