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Charles Lonsdorf, MD
NPI 1235231978 · Family Medicine Physician · Minocqua, WI
Charles Lonsdorf, MD is a Family Medicine Physician provider in Minocqua, WI (NPI 1235231978).
Provider details
- NPI number
- 1235231978
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 22442 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 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
9601 Townline Rd
Minocqua, WI 54548
Phone: (715) 358-1186
Street-level locationGet directions
Mailing address
1000 N Oak Ave
Marshfield, WI 54449-5777
Registry dates
- Enumerated
- 2006-09-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Charles Lonsdorf's NPI number?
- Charles Lonsdorf's National Provider Identifier (NPI) is 1235231978, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Lonsdorf's specialty?
- Charles Lonsdorf is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Lonsdorf located?
- Charles Lonsdorf's practice location on file with NPPES is 9601 Townline Rd, Minocqua, WI 54548.
- What is Charles Lonsdorf's phone number?
- The practice phone number listed in the NPPES registry for Charles Lonsdorf is (715) 358-1186.
- Is Charles Lonsdorf's NPI active?
- Yes — Charles Lonsdorf's NPI (1235231978) 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.