Marzena Karwowski
NPI 1801284708 · Chiropractor · Chicago, IL
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marzena Karwowski is a Chiropractor provider in Chicago, IL (NPI 1801284708).
Provider details
- NPI number
- 1801284708
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 038012742 (IL)
Specialties & taxonomies
Chiropractic Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
Registry dates
- Enumerated
- 2014-12-30
- Last updated
- 2019-03-12
Frequently asked questions
- What is Marzena Karwowski's NPI number?
- Marzena Karwowski's National Provider Identifier (NPI) is 1801284708, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marzena Karwowski's specialty?
- Marzena Karwowski is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Marzena Karwowski located?
- Marzena Karwowski's practice location on file with NPPES is 1635 N Ashland Ave, Chicago, IL 60622-1423.
- What is Marzena Karwowski's phone number?
- The practice phone number listed in the NPPES registry for Marzena Karwowski is (773) 360-8108.
- Does Marzena Karwowski accept Medicare?
- Marzena Karwowski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marzena Karwowski's NPI active?
- Yes — Marzena Karwowski's NPI (1801284708) is active in the NPPES registry as of the last update on 2019-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.