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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

STEPHEN A MASSICK MD
NPI 1942282298
Obstetrics & Gynecology in Fond Du Lac, WI

Active since November 14, 2005
420 E DIVISION ST, FOND DU LAC, WI 54935(920) 926-8450 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Stephen A Massick Md NPPES

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

STEPHEN A MASSICK MD (NPI 1942282298) is an individual obstetrics & gynecology provider in Fond Du Lac, Wisconsin, licensed in Wisconsin (17064) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1942282298
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameSTEPHEN A MASSICKCredential: MD
Location Address420 E DIVISION STFond Du Lac, WI 54935-4560
Mailing Address420 E Division StFond Du Lac, WI 54935-4560 · (920) 926-8340
Phone(920) 926-8450
Sole ProprietorNo
Enumeration DateNovember 14, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1942282298 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in WI · 17064
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
420 E DIVISION ST, Fond Du Lac, WI 54935
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Other Identifiers 5

OtherWI0146WI · John Deere
Other12583WI · Dean
Medicaid31075000WI
Other39080723604WI · Unity
Other17064WI · Touchpoint

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.

MARY R KELM NP
Nurse Practitioner
420 E DIVISION ST
FOND DU LAC, WI 54935
Fond Du Lac County (920) 926-8230
SARA J RIEGERT MD
Obstetrics & Gynecology
420 E DIVISION ST
FOND DU LAC, WI 54935
Fond Du Lac County (920) 926-8450
CHRISTOPHER C TUVESON MD
Urology
420 E DIVISION ST
FOND DU LAC, WI 54935
Fond Du Lac County (920) 926-8495
DR. DOMENICK TIRABASSI IV PSYD
Psychologist
420 E DIVISION ST
FOND DU LAC, WI 54935
Fond Du Lac County (920) 926-8492
MICHELLE KEHRMEYER N.P.
Nurse Practitioner (Psychiatric/Mental Health)
420 E DIVISION ST
FOND DU LAC, WI 54935
Fond Du Lac County (209) 926-4197
KIERSTYN LEE LOMPREY FNP-BC
Nurse Practitioner
420 E DIVISION ST
FOND DU LAC, WI 54935
Fond Du Lac County (920) 929-2300
MRS. JENNIFER NICOLE STEPHANY APNP
Nurse Practitioner (Family)
420 E DIVISION ST
FOND DU LAC, WI 54935
Fond Du Lac County (920) 926-8200
SEAN P HEDICAN MD
Urology
420 E DIVISION ST
FOND DU LAC, WI 54935
Fond Du Lac County (209) 268-4959

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 Stephen Massick's NPI number?

The NPI number for Stephen Massick is 1942282298. It was assigned to this individual provider in the NPPES registry on November 14, 2005.

Where is Stephen Massick located?

Stephen Massick practices at 420 E Division St, Fond Du Lac, WI 54935. The listed phone number is (920) 926-8450.

What is Stephen Massick's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

When was this NPI record last updated?

The NPPES record for Stephen Massick was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days 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.