Karen Lazarus, M.D.
NPI 1538281282 · Addiction Medicine (Family Medicine) Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Addiction Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Lazarus, M.D. is a Addiction Medicine (Family Medicine) Physician provider in Brooklyn, NY (NPI 1538281282).
Provider details
- NPI number
- 1538281282
- Entity type
- Individual
- Primary specialty
- Addiction Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 144002 (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
19 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
- 2007-04-04
- Last updated
- 2012-11-30
Frequently asked questions
- What is Karen Lazarus's NPI number?
- Karen Lazarus's National Provider Identifier (NPI) is 1538281282, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Lazarus's specialty?
- Karen Lazarus is listed in the NPPES registry with a primary specialty of Addiction Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Lazarus located?
- Karen Lazarus's practice location on file with NPPES is 25 12th St, Brooklyn, NY 11215-8019.
- What is Karen Lazarus's phone number?
- The practice phone number listed in the NPPES registry for Karen Lazarus is (718) 965-7900.
- Does Karen Lazarus accept Medicare?
- Karen Lazarus is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Lazarus's NPI active?
- Yes — Karen Lazarus's NPI (1538281282) is active in the NPPES registry as of the last update on 2012-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.