John Hartman, MD
NPI 1922349927 · Internal Medicine Physician · Green Bay, WI
John Hartman, MD is a Internal Medicine Physician provider in Green Bay, WI (NPI 1922349927).
Provider details
- NPI number
- 1922349927
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- WI-4202B-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
13 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
- 2013-03-15
- Last updated
- 2013-03-15
Frequently asked questions
- What is John Hartman's NPI number?
- John Hartman's National Provider Identifier (NPI) is 1922349927, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Hartman's specialty?
- John Hartman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Hartman located?
- John Hartman's practice location on file with NPPES is 916 Willard Dr, Green Bay, WI 54304.
- What is John Hartman's phone number?
- The practice phone number listed in the NPPES registry for John Hartman is (920) 496-0600.
- Is John Hartman's NPI active?
- Yes — John Hartman's NPI (1922349927) is active in the NPPES registry as of the last update on 2013-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.