Graham Rx Corp
NPI 1821187519 · Community/Retail Pharmacy · Brooklyn, NY
Enrolled with Medicare as Dme Supplier - Pharmacy · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Graham Rx Corp is a Community/Retail Pharmacy organization in Brooklyn, NY (NPI 1821187519).
Provider details
- NPI number
- 1821187519
- Entity type
- Organization
- Primary specialty
- Community/Retail PharmacySuppliers
- Organization subpart
- No
- Authorized official
- Robert Mattern, Owner(718) 387-0124
Specialties & taxonomies
Suppliers
- Pharmacy333600000X
Suppliers
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
Other names (DBA / former)
- Doing business as
- City Chemist II
- Doing business as
- City Chemist
Registry dates
- Enumerated
- 2006-10-12
- Last updated
- 2025-04-10
- Certified
- 2025-04-10
Frequently asked questions
- What is Graham Rx Corp's NPI number?
- Graham Rx Corp's National Provider Identifier (NPI) is 1821187519, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Graham Rx Corp?
- Graham Rx Corp is classified in the NPPES registry as Community/Retail Pharmacy (Suppliers).
- Where is Graham Rx Corp located?
- Graham Rx Corp's practice location on file with NPPES is 710 Metropolitan Ave, Brooklyn, NY 11211-6714.
- What is Graham Rx Corp's phone number?
- The practice phone number listed in the NPPES registry for Graham Rx Corp is (718) 387-0124.
- Does Graham Rx Corp accept Medicare?
- Graham Rx Corp 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 Graham Rx Corp?
- The authorized official listed on Graham Rx Corp's NPPES record is Robert Mattern, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Graham Rx Corp's NPI active?
- Yes — Graham Rx Corp's NPI (1821187519) is active in the NPPES registry as of the last update on 2025-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.