Maria Kolojeski, D.O.
NPI 1952750952 · Obstetrics & Gynecology Physician · Duluth, MN
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Kolojeski, D.O. is a Obstetrics & Gynecology Physician provider in Duluth, MN (NPI 1952750952).
Provider details
- NPI number
- 1952750952
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 94-08919 (KS)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
- 2016-06-09
- Last updated
- 2020-12-04
- Certified
- 2020-12-04
Frequently asked questions
- What is Maria Kolojeski's NPI number?
- Maria Kolojeski's National Provider Identifier (NPI) is 1952750952, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Kolojeski's specialty?
- Maria Kolojeski is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Kolojeski located?
- Maria Kolojeski's practice location on file with NPPES is 1000 E 1st St Ste Ll, Duluth, MN 55805-2297.
- What is Maria Kolojeski's phone number?
- The practice phone number listed in the NPPES registry for Maria Kolojeski is (218) 249-5555.
- Does Maria Kolojeski accept Medicare?
- Maria Kolojeski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Kolojeski's NPI active?
- Yes — Maria Kolojeski's NPI (1952750952) is active in the NPPES registry as of the last update on 2020-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.