Rex Specialty Pharmacy Corp
NPI 1649415704 · Pharmacy · Valley Stream, NY
Enrolled with Medicare as Part B Supplier - Mass Immunization (roster Biller Only) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rex Specialty Pharmacy Corp is a Pharmacy organization in Valley Stream, NY (NPI 1649415704).
Provider details
- NPI number
- 1649415704
- Entity type
- Organization
- Primary specialty
- PharmacySuppliers
- Organization subpart
- No
- Authorized official
- Ali Jaffery, President/Supervising Pharmacist(516) 593-7747
- License
- 029168 (NY)
Specialties & taxonomies
Suppliers
Suppliers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- Crescent Pharmacy
- Doing business as
- Crescent Pharmacy
Registry dates
- Enumerated
- 2008-12-03
- Last updated
- 2021-09-14
- Certified
- 2021-09-14
Frequently asked questions
- What is Rex Specialty Pharmacy Corp's NPI number?
- Rex Specialty Pharmacy Corp's National Provider Identifier (NPI) is 1649415704, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Rex Specialty Pharmacy Corp?
- Rex Specialty Pharmacy Corp is classified in the NPPES registry as Pharmacy (Suppliers).
- Where is Rex Specialty Pharmacy Corp located?
- Rex Specialty Pharmacy Corp's practice location on file with NPPES is 48 Central Ct, Valley Stream, NY 11580-1143.
- What is Rex Specialty Pharmacy Corp's phone number?
- The practice phone number listed in the NPPES registry for Rex Specialty Pharmacy Corp is (516) 593-7747.
- Does Rex Specialty Pharmacy Corp accept Medicare?
- Rex Specialty Pharmacy 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 Rex Specialty Pharmacy Corp?
- The authorized official listed on Rex Specialty Pharmacy Corp's NPPES record is Ali Jaffery, President/Supervising Pharmacist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Rex Specialty Pharmacy Corp's NPI active?
- Yes — Rex Specialty Pharmacy Corp's NPI (1649415704) is active in the NPPES registry as of the last update on 2021-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.