Zachary Klein
NPI 1841722329 · Pediatrics Physician · Brooklyn, NY
Enrolled with Medicare as Order and Referring Only - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Klein is a Pediatrics Physician provider in Brooklyn, NY (NPI 1841722329).
Provider details
- NPI number
- 1841722329
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 304996 (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
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 5323 18th AveBrooklyn, NY 11204-1523Phone: (718) 438-4400
- 1212 Seagirt BlvdFar Rockaway, NY 11691-5614Phone: (516) 696-9540
Registry dates
- Enumerated
- 2017-04-03
- Last updated
- 2026-03-24
- Certified
- 2026-03-24
Frequently asked questions
- What is Zachary Klein's NPI number?
- Zachary Klein's National Provider Identifier (NPI) is 1841722329, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Klein's specialty?
- Zachary Klein is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Zachary Klein located?
- Zachary Klein's practice location on file with NPPES is 4406 12th Ave, Brooklyn, NY 11219-1094.
- What is Zachary Klein's phone number?
- The practice phone number listed in the NPPES registry for Zachary Klein is (718) 438-4400.
- Does Zachary Klein accept Medicare?
- Zachary Klein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Klein's NPI active?
- Yes — Zachary Klein's NPI (1841722329) is active in the NPPES registry as of the last update on 2026-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.