Bret Andersen
NPI 1235861873 · Student in an Organized Health Care Education/Training Program · Marshfield, WI
Enrolled with Medicare as Order and Referring Only - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bret Andersen is a Student in an Organized Health Care Education/Training Program provider in Marshfield, WI (NPI 1235861873).
Provider details
- NPI number
- 1235861873
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2022-06-30
- Last updated
- 2023-12-22
- Certified
- 2023-12-21
Frequently asked questions
- What is Bret Andersen's NPI number?
- Bret Andersen's National Provider Identifier (NPI) is 1235861873, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bret Andersen's specialty?
- Bret Andersen is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Bret Andersen located?
- Bret Andersen's practice location on file with NPPES is 1000 N Oak Ave, Marshfield, WI 54449-5702.
- What is Bret Andersen's phone number?
- The practice phone number listed in the NPPES registry for Bret Andersen is (800) 782-8581.
- Does Bret Andersen accept Medicare?
- Bret Andersen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bret Andersen's NPI active?
- Yes — Bret Andersen's NPI (1235861873) is active in the NPPES registry as of the last update on 2023-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.