IndividualActive
William Kaczrowski, MD
NPI 1578693453 · Family Medicine Physician · Willmar, MN
William Kaczrowski, MD is a Family Medicine Physician provider in Willmar, MN (NPI 1578693453).
Provider details
- NPI number
- 1578693453
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 19484 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
101 Willmar Ave Sw
Affiliated Community Medical Centers
Willmar, MN 56201
Phone: (320) 231-5000
Fax: (320) 231-5067
Street-level locationGet directions
Mailing address
101 Willmar Ave Sw
Willmar, MN 56201
Registry dates
- Enumerated
- 2007-03-07
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Kaczrowski's NPI number?
- William Kaczrowski's National Provider Identifier (NPI) is 1578693453, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Kaczrowski's specialty?
- William Kaczrowski is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Kaczrowski located?
- William Kaczrowski's practice location on file with NPPES is 101 Willmar Ave Sw, Willmar, MN 56201.
- What is William Kaczrowski's phone number?
- The practice phone number listed in the NPPES registry for William Kaczrowski is (320) 231-5000.
- Is William Kaczrowski's NPI active?
- Yes — William Kaczrowski's NPI (1578693453) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.