IndividualActive
Sylwia Los
NPI 1215892989 · Pharmacist · Madison, WI
Sylwia Los is a Pharmacist provider in Madison, WI (NPI 1215892989).
Provider details
- NPI number
- 1215892989
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 23263-40 (WI)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Established profile(53/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
600 Highland Ave
Madison, WI 53792-0001
Phone: (608) 263-6400
Street-level locationGet directions
Mailing address
1005 Tony Dr
Madison, WI 53704-8905
Registry dates
- Enumerated
- 2025-12-16
- Last updated
- 2025-12-16
- Certified
- 2025-12-16
Frequently asked questions
- What is Sylwia Los's NPI number?
- Sylwia Los's National Provider Identifier (NPI) is 1215892989, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sylwia Los's specialty?
- Sylwia Los is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Sylwia Los located?
- Sylwia Los's practice location on file with NPPES is 600 Highland Ave, Madison, WI 53792-0001.
- What is Sylwia Los's phone number?
- The practice phone number listed in the NPPES registry for Sylwia Los is (608) 263-6400.
- Is Sylwia Los's NPI active?
- Yes — Sylwia Los's NPI (1215892989) is active in the NPPES registry as of the last update on 2025-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.