DR. JAMES R HOLMBERG M.D.
NPI 1902889736
Emergency Medicine in Milwaukee, WI

Active since November 25, 2005
945 N 12TH ST, MILWAUKEE, WI 53233(414) 219-7880 Get Directions Write a Review

NPPES record last updated: April 9, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 9, 2025, Nov 29, 2021 (2 updates tracked since 2021).

About Dr. James R Holmberg M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JAMES R HOLMBERG M.D. (NPI 1902889736) is an individual emergency medicine provider in Milwaukee, Wisconsin, licensed in Wisconsin (29012-020) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1902889736
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. JAMES R HOLMBERGCredential: M.D.
Location Address945 N 12TH STMilwaukee, WI 53233-1305
Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250
Sole ProprietorNo
Enumeration DateNovember 25, 2005
Last NPPES UpdateApril 9, 20252 updates tracked since enumeration
NPPES CertifiedApril 9, 2025
NPI 1902889736 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in WI · 29012-020
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
945 N 12TH ST, Milwaukee, WI 53233

Other Identifiers 1

Medicaid31405000WI

Accepted Insurance

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine
945 N 12TH ST
MILWAUKEE, WI 53233
Nurse Practitioner
945 N 12TH ST
MILWAUKEE, WI 53233
Physician Assistant
945 N 12TH ST
MILWAUKEE, WI 53233
Emergency Medicine
945 N 12TH ST
MILWAUKEE, WI 53233
Registered Nurse
945 N 12TH ST
MILWAUKEE, WI 53233
Registered Nurse (Registered Nurse First Assistant)
945 N 12TH ST
MILWAUKEE, WI 53233
Clinic/Center (Federally Qualified Health Center (FQHC))
945 N 12TH ST, URGENT CARE
MILWAUKEE, WI 53233
Anesthesiologist Assistant
945 N 12TH ST
MILWAUKEE, WI 53233

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is James Holmberg's NPI number?

The NPI number for James Holmberg is 1902889736. It was assigned to this individual provider in the NPPES registry on November 25, 2005.

Where is James Holmberg located?

James Holmberg practices at 945 N 12th St, Milwaukee, WI 53233. The listed phone number is (414) 219-7880.

What is James Holmberg's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

What insurance does James Holmberg accept?

Health plans from CareSource (Common Ground Healthcare) list James Holmberg as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for James Holmberg was last updated on April 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.