What is Nelson Holmberg's NPI number?

Nelson Holmberg's National Provider Identifier (NPI) is 1295606549, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Nelson Holmberg's specialty?

Nelson Holmberg is listed in the NPPES registry with a primary specialty of Case Management Registered Nurse (Nursing Service Providers).

Where is Nelson Holmberg located?

Nelson Holmberg's practice location on file with NPPES is 600 Highlander Ave, Madison, WI 53792-0001.

What is Nelson Holmberg's phone number?

The practice phone number listed in the NPPES registry for Nelson Holmberg is (608) 263-6400.

Is Nelson Holmberg's NPI active?

Yes — Nelson Holmberg's NPI (1295606549) is active in the NPPES registry as of the last update on 2025-09-17.

IndividualActive

Nelson Holmberg

NPI 1295606549 · Case Management Registered Nurse · Madison, WI

Nelson Holmberg is a Case Management Registered Nurse provider in Madison, WI (NPI 1295606549).

Provider details

NPI number: 1295606549
Entity type: Individual
Primary specialty: Case Management Registered NurseNursing Service Providers
Sex: Male
Sole proprietor: Yes
License: 219613-30 (WI)

Specialties & taxonomies

Case Management Registered NursePrimary163WC0400XLicense 219613-30 (WI)
Nursing Service Providers

Profile Score

Established profile(54/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in 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

600 Highlander Ave

Madison, WI 53792-0001

Phone: (608) 263-6400

Street-level locationGet directions

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Mailing address