Therese Maszatics Johnson, MD

NPI 1841230893ActiveIndividual· Family Medicine· Royal Oak, MI

Family Medicine (MD) in Royal Oak, Michigan, trained at University of Michigan Medical School (class of 1993). Mostly services rather than prescriptions: Medicare paid $10,957 for 82 patients in 2024, with only 45 Part D claims. Novo Nordisk Inc reported $46.98 in payments in 2024, mostly food and beverage.

Overview

NPI	1841230893
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Jun 7, 2006
Last updated in NPPES	May 21, 2025
Certified by provider	May 21, 2025

Specialties and licenses

Taxonomy	Code	License	State
Family Medicine Primary	207Q00000X	4301054368	MI
Family Medicine, Adult Medicine	207QA0505X	4301054368	MI
Physical Medicine & Rehabilitation	208100000X	JJ054368	MI

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Nov 10, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026	No match	—
New York OMIG · Nov 11, 2026	No match	—
Ohio Medicaid · Nov 11, 2026	No match	—
Pennsylvania Medicheck · Nov 11, 2026	No match	—
Washington HCA · Nov 11, 2026	No match	—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Family Practice (MI)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	82
Services billed	166 across 13 procedure codes
Paid by Medicare	$10,957

Part D prescriptions in 2024

Prescriptions (claims)	45 · 52 30-day fills
Patients	16
Total drug cost	$13,251
Generic share	82% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Michigan Medical School
Graduation year	1993
Medicare specialty	Family Practice
Secondary specialties	Addiction Medicine
Telehealth	Offers telehealth