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Charles Rathjen, MD
NPI 1376551721 · Family Medicine Physician · Waupaca, WI
Charles Rathjen, MD is a Family Medicine Physician provider in Waupaca, WI (NPI 1376551721).
Provider details
- NPI number
- 1376551721
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 27768-020 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 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
710 Riverside Dr
Waupaca, WI 54981-1941
Phone: (715) 258-1160
Fax: (715) 256-3079
Street-level locationGet directions
Mailing address
Po Box 8003
Appleton, WI 54912-8003
Registry dates
- Enumerated
- 2006-08-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Charles Rathjen's NPI number?
- Charles Rathjen's National Provider Identifier (NPI) is 1376551721, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Rathjen's specialty?
- Charles Rathjen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Rathjen located?
- Charles Rathjen's practice location on file with NPPES is 710 Riverside Dr, Waupaca, WI 54981-1941.
- What is Charles Rathjen's phone number?
- The practice phone number listed in the NPPES registry for Charles Rathjen is (715) 258-1160.
- Is Charles Rathjen's NPI active?
- Yes — Charles Rathjen's NPI (1376551721) 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.