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DR. TAD MARK JOHNSON MD
NPI 1659339919
Allergy & Immunology - Allergy in Janesville, WI

Active since May 03, 2006
3524 E MILWAUKEE ST, JANESVILLE, WI 53546(608) 756-7100(608) 756-4700 Get Directions Write a Review

NPPES record last updated: September 6, 2012. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Tad Mark Johnson Md NPPES

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

DR. TAD MARK JOHNSON MD (NPI 1659339919) is an individual allergy provider in Janesville, Wisconsin, licensed in Wisconsin (25307) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1659339919
Entity TypeIndividualMale
Primary Taxonomy207KA0200X
Provider Legal NameDR. TAD MARK JOHNSONCredential: MD
Location Address3524 E MILWAUKEE STJanesville, WI 53546-1626
Mailing Address3524 E Milwaukee StJanesville, WI 53546-1626 · (608) 756-7100 · Fax (608) 756-4700
Phone(608) 756-7100
Fax(608) 756-4700
Sole ProprietorNo
Enumeration DateMay 3, 2006
Last NPPES UpdateSeptember 6, 2012
✔ NPI 1659339919 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & Immunology · AllergyAllopathic & Osteopathic Physicians
Taxonomy Code207KA0200X
License✔ Licensed in WI · 25307
Definition
A physician who specializes in the diagnosis, treatment, and management of allergies. Source: National Uniform Claim Committee
3524 E MILWAUKEE ST, Janesville, WI 53546
Open in Google Maps ↗

Other Identifiers 7

Medicare UPINB53913WI
OtherJOHNSTADWI · Mercycare Insurance
Medicaid30661900WI
Other1659339919WI · Bcbswi
Medicare ID-Type Unspecified000002624-0004WI
Medicare PIN541760895WI
Medicaid1659339919WI

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.

REBECCA JEAN WEISSBURG PHYSICIAN ASSISTANT
Physician Assistant
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Rock County (608) 756-7100
DR. LAWRENCE M SHEA MD
Family Medicine
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Rock County (608) 756-7100
DR. HARLAN D EDELMAN MD
Orthopaedic Surgery (Hand Surgery)
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Rock County (608) 756-7100
MRS. LEAH LAMMERSFELD PT
Physical Therapist
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Rock County (608) 755-8687
JOSHUA T LEHR DPT
Physical Therapist
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Rock County (608) 756-7100
JOANNA L RYDER RD
Dietitian, Registered
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Rock County (608) 756-7100
KAUSERUZZAMAN A. KHAN MD
Internal Medicine
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Rock County (608) 756-7100
STEPHEN L MERRILL MD
Emergency Medicine
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Rock County (608) 756-7100

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 Tad Johnson's NPI number?

The NPI number for Tad Johnson is 1659339919. It was assigned to this individual provider in the NPPES registry on May 3, 2006.

Where is Tad Johnson located?

Tad Johnson practices at 3524 E Milwaukee St, Janesville, WI 53546. The listed phone number is (608) 756-7100.

What is Tad Johnson's specialty?

The primary specialty registered for this NPI is Allergy & Immunology, specializing in Allergy, with taxonomy code 207KA0200X.

When was this NPI record last updated?

The NPPES record for Tad Johnson was last updated on September 6, 2012. NPI Profile syncs with the weekly NPPES data releases published by CMS.