IndividualActive
Gunnar Swierkowski
NPI 1831796895 · Pharmacist · Bronx, NY
Gunnar Swierkowski is a Pharmacist provider in Bronx, NY (NPI 1831796895).
Provider details
- NPI number
- 1831796895
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 067038 (NY)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Established profile(63/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
243 E 172nd St
Bronx, NY 10457-8902
Phone: (718) 294-0294
Fax: (718) 294-0295
Street-level locationGet directions
Mailing address
35 Brewster Rd W
Massapequa, NY 11758-8021
Registry dates
- Enumerated
- 2020-10-02
- Last updated
- 2025-03-03
- Certified
- 2025-03-03
Frequently asked questions
- What is Gunnar Swierkowski's NPI number?
- Gunnar Swierkowski's National Provider Identifier (NPI) is 1831796895, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gunnar Swierkowski's specialty?
- Gunnar Swierkowski is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Gunnar Swierkowski located?
- Gunnar Swierkowski's practice location on file with NPPES is 243 E 172nd St, Bronx, NY 10457-8902.
- What is Gunnar Swierkowski's phone number?
- The practice phone number listed in the NPPES registry for Gunnar Swierkowski is (718) 294-0294.
- Is Gunnar Swierkowski's NPI active?
- Yes — Gunnar Swierkowski's NPI (1831796895) is active in the NPPES registry as of the last update on 2025-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.