Four K Chemists LLC
NPI 1437530367 · Community/Retail Pharmacy · New York, NY
Enrolled with Medicare as Dme Supplier - Pharmacy · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Four K Chemists LLC is a Community/Retail Pharmacy organization in New York, NY (NPI 1437530367).
Provider details
- NPI number
- 1437530367
- Entity type
- Organization
- Primary specialty
- Community/Retail PharmacySuppliers
- Organization subpart
- No
- Authorized official
- Mazen Karnaby, Owner(917) 836-8886
Specialties & taxonomies
Suppliers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
Other names (DBA / former)
- Doing business as
- Karnaby Drugs
Registry dates
- Enumerated
- 2015-06-16
- Last updated
- 2015-06-16
Frequently asked questions
- What is Four K Chemists LLC's NPI number?
- Four K Chemists LLC's National Provider Identifier (NPI) is 1437530367, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Four K Chemists LLC?
- Four K Chemists LLC is classified in the NPPES registry as Community/Retail Pharmacy (Suppliers).
- Where is Four K Chemists LLC located?
- Four K Chemists LLC's practice location on file with NPPES is 3859 Broadway, New York, NY 10032-1540.
- What is Four K Chemists LLC's phone number?
- The practice phone number listed in the NPPES registry for Four K Chemists LLC is (212) 928-7700.
- Does Four K Chemists LLC accept Medicare?
- Four K Chemists LLC 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 Four K Chemists LLC?
- The authorized official listed on Four K Chemists LLC's NPPES record is Mazen Karnaby, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Four K Chemists LLC's NPI active?
- Yes — Four K Chemists LLC's NPI (1437530367) is active in the NPPES registry as of the last update on 2015-06-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.