John Johanson, MD
NPI 1477549699 · Gastroenterology Physician · Beloit, WI
John Johanson, MD is a Gastroenterology Physician provider in Beloit, WI (NPI 1477549699).
Provider details
- NPI number
- 1477549699
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 27679-020 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2005-09-22
- Last updated
- 2011-10-19
Frequently asked questions
- What is John Johanson's NPI number?
- John Johanson's National Provider Identifier (NPI) is 1477549699, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Johanson's specialty?
- John Johanson is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is John Johanson located?
- John Johanson's practice location on file with NPPES is 1905 E, Huebbe Parkway, Beloit, WI 53511-1842.
- What is John Johanson's phone number?
- The practice phone number listed in the NPPES registry for John Johanson is (608) 364-1460.
- Is John Johanson's NPI active?
- Yes — John Johanson's NPI (1477549699) is active in the NPPES registry as of the last update on 2011-10-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.