IndividualActive
James Holmberg, M.D.
NPI 1902889736 · Emergency Medicine Physician · Milwaukee, WI
Provider details
- NPI number
- 1902889736
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 29012-020 (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
945 N 12th St
Milwaukee, WI 53233-1305
Phone: (414) 219-7880
Street-level locationGet directions
Mailing address
Po Box 735044
Chicago, IL 60673-5044
Registry dates
- Enumerated
- 2005-11-25
- Last updated
- 2025-04-09
- Certified
- 2025-04-09
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.