Kathryn Ann Johnson , APRN, CNP
Nurse Practitioner • Duluth, MN
Professional Overview & Biography Verified Profile Summary
Kathryn Johnson, APRN, CNP is a certified Nurse Practitioner practicing in Duluth, MN. With approximately 4 years of clinical experience since completing medical education in 2022, Kathryn Johnson delivers high-quality medical care to the local community at 1001 E SUPERIOR ST STE 201.
Kathryn Johnson maintains professional affiliations with St Marys Medical Center, St. Luke'S Hospital Of Duluth and accepts Medicare assignment.
Frequently performed procedures and clinical services include established patient outpatient office visit, exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician, follow-up hospital inpatient care per day. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.
Practice Location & Contact Primary Location
1001 E Superior St Ste 201
Duluth, MN 558022228
Medicare Profile & Education
Other
2022
✓ Accepts Assignment
In-Person Only
Specialty Benchmarks & Practice Insights
Comparative analytics for Nurse Practitioner in Duluth, MN
Practicing in Duluth, MN (2609 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Clinical Seniority & Experience Comparison
Performed Procedures & Service Volume
Top Medicare Part B procedures performed by this practitioner
| HCPCS Code & Description | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
|
99213
Established patient office or other outpatient visit, typically 15 minutes
|
64 | 60 | $82.97 | $52.99 |
|
93016
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician
|
64 | 64 | $186.69 | $17.14 |
|
99214
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
|
44 | 42 | $125.00 | $78.36 |
|
99231
Follow-up hospital inpatient care per day, typically 15 minutes
|
23 | 15 | $130.87 | $38.04 |
|
99232
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
|
18 | 15 | $245.17 | $54.87 |
Medical Specialties & State Licenses
CMS Verified: 2025-12-29NUCC Taxonomy Code: 363L00000X
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Hospital & Practice Group Affiliations
St. Luke's Hospital Of Duluth
2201 Lake Shore Dr E, Ashland, WI 548062331
Phone: 7156856600
St Marys Medical Center
402 E 2nd St, Duluth, MN 558051906
Phone: 2187863443
St. Luke's Hospital Of Duluth
1001 E Superior St, Duluth, MN 558022228
Phone: 2182796230
Secondary Practice Locations
402 E 2nd St
Duluth, MN 558051906
Phone: 2187868364
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Physician Assistant
Physician Assistant (Certified)
Internal Medicine - Clinical Cardiac Electrophysiology
Doctor of Medicine (M.D.)
Nurse Practitioner
Nurse Practitioner
Internal Medicine - Cardiovascular Disease
Doctor of Osteopathic Medicine (D.O.)
Internal Medicine - Cardiovascular Disease
MDMPH
Internal Medicine - Cardiovascular Disease
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 400 E 3RD ST, DULUTH, MN 558051951 (Tel: 2187868364)
Recorded as KATHRYN JOHNSON, APRN, CNP
Registered at 915 E 1ST ST, DULUTH, MN 558052107 (Tel: 2182495555)
NPI status registered as active in NPPES database
Registered at 1001 E SUPERIOR ST STE 201, DULUTH, MN 558022228 (Tel: 2182493057)
Registered at 4626 JAY ST, DULUTH, MN 558041551 (Tel: 2188301838)
Recorded as KATHRYN JOHNSON, CNP
Nurse Practitioner (License #9274 in MN)
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
Verified patient ratings, medical care experiences, and facility photos
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NPI Administrative Meta
Mailing Address
400 E 3rd St
Duluth, MN 558051951
Phone: 2187868364
This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.