Lester Kallus, M.D.
NPI 1154357887 · Emergency Medicine Physician · Stony Brook, NY
Lester Kallus, M.D. is a Emergency Medicine Physician provider in Stony Brook, NY (NPI 1154357887).
Provider details
- NPI number
- 1154357887
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- 132623 (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
20 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
- 2006-06-24
- Last updated
- 2007-07-08
Frequently asked questions
- What is Lester Kallus's NPI number?
- Lester Kallus's National Provider Identifier (NPI) is 1154357887, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lester Kallus's specialty?
- Lester Kallus is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lester Kallus located?
- Lester Kallus's practice location on file with NPPES is University Hospital, L4, Stony Brook, NY 11794-0001.
- What is Lester Kallus's phone number?
- The practice phone number listed in the NPPES registry for Lester Kallus is (631) 444-2499.
- Is Lester Kallus's NPI active?
- Yes — Lester Kallus's NPI (1154357887) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.