Gunnar Gundersen, M.D.
NPI 1356389100 · Emergency Medicine Physician · Milwaukee, WI
Gunnar Gundersen, M.D. is a Emergency Medicine Physician provider in Milwaukee, WI (NPI 1356389100).
Provider details
- NPI number
- 1356389100
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 24930-020 (WI)
Specialties & taxonomies
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
- 2006-06-03
- Last updated
- 2009-01-29
Frequently asked questions
- What is Gunnar Gundersen's NPI number?
- Gunnar Gundersen's National Provider Identifier (NPI) is 1356389100, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gunnar Gundersen's specialty?
- Gunnar Gundersen is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gunnar Gundersen located?
- Gunnar Gundersen's practice location on file with NPPES is 111 E Wisconsin Ave, Milwaukee, WI 53202-4815.
- What is Gunnar Gundersen's phone number?
- The practice phone number listed in the NPPES registry for Gunnar Gundersen is (414) 290-6720.
- Is Gunnar Gundersen's NPI active?
- Yes — Gunnar Gundersen's NPI (1356389100) is active in the NPPES registry as of the last update on 2009-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.