IndividualActive
Gregory Chum, PHARM.D.
NPI 1558861757 · Pharmacist · New York, NY
Gregory Chum, PHARM.D. is a Pharmacist provider in New York, NY (NPI 1558861757).
Provider details
- NPI number
- 1558861757
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- PHARM.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 063836 (NY)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Established profile(68/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
155 E 34th St
New York, NY 10016-4766
Phone: (212) 683-3042
Street-level locationGet directions
Mailing address
3058 Brighton 2nd St
Brooklyn, NY 11235-7428
Registry dates
- Enumerated
- 2018-02-14
- Last updated
- 2025-04-25
- Certified
- 2025-04-25
Frequently asked questions
- What is Gregory Chum's NPI number?
- Gregory Chum's National Provider Identifier (NPI) is 1558861757, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Chum's specialty?
- Gregory Chum is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Gregory Chum located?
- Gregory Chum's practice location on file with NPPES is 155 E 34th St, New York, NY 10016-4766.
- What is Gregory Chum's phone number?
- The practice phone number listed in the NPPES registry for Gregory Chum is (212) 683-3042.
- Is Gregory Chum's NPI active?
- Yes — Gregory Chum's NPI (1558861757) is active in the NPPES registry as of the last update on 2025-04-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.