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William Johnson, MD
NPI 1598783243 · Gastroenterology Physician · Evansville, IN
William Johnson, MD is a Gastroenterology Physician provider in Evansville, IN (NPI 1598783243).
Provider details
- NPI number
- 1598783243
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 01026896 (IN)
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
801 Saint Marys Dr
Suite 205 W
Evansville, IN 47714-0518
Phone: (812) 477-6103
Fax: (812) 477-4897
Approximate (ZIP-level) locationGet directions
Mailing address
801 Saint Marys Dr
Evansville, IN 47714-0518
Registry dates
- Enumerated
- 2006-07-18
- Last updated
- 2013-02-25
Frequently asked questions
- What is William Johnson's NPI number?
- William Johnson's National Provider Identifier (NPI) is 1598783243, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Johnson's specialty?
- William Johnson is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is William Johnson located?
- William Johnson's practice location on file with NPPES is 801 Saint Marys Dr, Evansville, IN 47714-0518.
- What is William Johnson's phone number?
- The practice phone number listed in the NPPES registry for William Johnson is (812) 477-6103.
- Is William Johnson's NPI active?
- Yes — William Johnson's NPI (1598783243) is active in the NPPES registry as of the last update on 2013-02-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.