Long Island Medical Services P.C.
NPI 1841443538 · Internal Medicine Physician · Syosset, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Long Island Medical Services P.C. is a Internal Medicine Physician organization in Syosset, NY (NPI 1841443538).
Provider details
- NPI number
- 1841443538
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Grigoriy Krichmar, Owner(917) 573-5667
- License
- 234331 (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
17 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
- 2008-10-28
- Last updated
- 2008-11-10
Frequently asked questions
- What is Long Island Medical Services P.C.'s NPI number?
- Long Island Medical Services P.C.'s National Provider Identifier (NPI) is 1841443538, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Long Island Medical Services P.C.?
- Long Island Medical Services P.C. is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Long Island Medical Services P.C. located?
- Long Island Medical Services P.C.'s practice location on file with NPPES is 235 Saddle Ln, Syosset, NY 11791-4428.
- What is Long Island Medical Services P.C.'s phone number?
- The practice phone number listed in the NPPES registry for Long Island Medical Services P.C. is (917) 573-5667.
- Does Long Island Medical Services P.C. accept Medicare?
- Long Island Medical Services P.C. 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 Long Island Medical Services P.C.?
- The authorized official listed on Long Island Medical Services P.C.'s NPPES record is Grigoriy Krichmar, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Long Island Medical Services P.C.'s NPI active?
- Yes — Long Island Medical Services P.C.'s NPI (1841443538) is active in the NPPES registry as of the last update on 2008-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.