IndividualActive
Walter Ratschan, M.D.
NPI 1942284153 · Anesthesiology Physician · Green Bay, WI
Walter Ratschan, M.D. is a Anesthesiology Physician provider in Green Bay, WI (NPI 1942284153).
Provider details
- NPI number
- 1942284153
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 37879-020 (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
20 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
744 S Webster Ave
Green Bay, WI 54301-3505
Phone: (920) 433-3500
Street-level locationGet directions
Mailing address
225 S Executive Dr
Brookfield, WI 53005-4266
Registry dates
- Enumerated
- 2005-12-01
- Last updated
- 2009-02-15
Frequently asked questions
- What is Walter Ratschan's NPI number?
- Walter Ratschan's National Provider Identifier (NPI) is 1942284153, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walter Ratschan's specialty?
- Walter Ratschan is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Walter Ratschan located?
- Walter Ratschan's practice location on file with NPPES is 744 S Webster Ave, Green Bay, WI 54301-3505.
- What is Walter Ratschan's phone number?
- The practice phone number listed in the NPPES registry for Walter Ratschan is (920) 433-3500.
- Is Walter Ratschan's NPI active?
- Yes — Walter Ratschan's NPI (1942284153) is active in the NPPES registry as of the last update on 2009-02-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.