IndividualActive
Charles Simpson, D.O, MS
NPI 1770603557 · Occupational Medicine Physician · Marinette, WI
Provider details
- NPI number
- 1770603557
- Entity type
- Individual
- Primary specialty
- Occupational Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O, MS
- Sex
- Male
- Sole proprietor
- No
- License
- 42908-021 (WI)
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
3100 Shore Dr
Marinette, WI 54143-4242
Phone: (715) 735-4200
Approximate (ZIP-level) locationGet directions
Mailing address
3100 Shore Drive
Marinette, WI 54143
Registry dates
- Enumerated
- 2007-03-29
- Last updated
- 2016-05-09
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.