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Active NPI 1578303012 Individual Practitioner Female Practitioner

Allyson Johnson , PA-C

Physician Assistant • Madison, WI

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Allyson Johnson, PA-C is a certified Physician Assistant practicing in Madison, WI. With approximately 2 years of clinical experience since completing medical education in 2024, Allyson Johnson delivers high-quality medical care to the local community at 600 HIGHLAND AVE.

Allyson Johnson is affiliated with University Of Wisconsin Medical Foundation Inc and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

600 Highland Ave

Madison, WI 537920001

Telephone 6082635442
Fax 6082651753
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2024

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Madison, WI

Rising Specialist (<5 Yrs)
Practitioner Clinical Experience
2 Yrs -10.0 yrs vs City Avg
City Avg: 12.0 Yrs
State Avg: 14.1 Yrs
Regional Practice Density
397 Specialists

Practicing in Madison, WI (3517 Statewide)

Telehealth Adoption Rate
18.6% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Johnson (2 Years) 2 Yrs
Madison Specialty Average (12.0 Years) 12.0 Yrs

Medical Specialties & State Licenses

CMS Verified: 2026-06-11
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License TX PA20516

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Physician Assistant - Medical

NUCC Taxonomy Code: 363AM0700X

State License WI 7898-23

Definition to come...

Hospital & Practice Group Affiliations

University Of Wisconsin Medical Foundation Inc

600 Highland Ave, Madison, WI 537920001

Phone: 6082636400

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Dr. Justin Sattin , MD

Psychiatry & Neurology - Neurology

NPI 1013965185

Doctor of Medicine (M.D.)

Stephanie Killoy , APNP

Nurse Practitioner

NPI 1023652310

Advanced Practice Nurse Prescriber

Dr. Adam Kney , MD

Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology

NPI 1043586480

Doctor of Medicine (M.D.)

Dr. Nassima Baba-Ahmed Fertikh , MD

Psychiatry & Neurology - Neurology

NPI 1063778900

Doctor of Medicine (M.D.)

Laura Ozkan , PA-C

Physician Assistant - Medical

NPI 1063865202

Physician Assistant (Certified)

Carolyn Gullick , PA-C

Physician Assistant - Medical

NPI 1073964342

Physician Assistant (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 11, 2026

Physician Assistant (License #PA20516 in TX)

📍
Updated Business Mailing Address July 26, 2024

Registered at 7974 UW HEALTH CT, MIDDLETON, WI 535625531

NPI Profile Active May 31, 2024

NPI status registered as active in NPPES database

📍
Updated Practice Location May 31, 2024

Registered at 600 HIGHLAND AVE, MADISON, WI 537920001 (Tel: 6082635442)

📍
Updated Business Mailing Address May 31, 2024

Registered at 600 HIGHLAND AVE, MADISON, WI 537920001

👤
Provider Name / Credentials Updated May 31, 2024

Recorded as ALLYSON JOHNSON, PA-C

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 31, 2024

Physician Assistant (License #7898-23 in WI)

🟢
Initial NPI Registration & Enumeration May 31, 2024

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

NPI Number: 1578303012
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 31, 2024
Last Update: June 11, 2026
Sole Proprietor: No

Mailing Address

7974 Uw Health Ct

Middleton, WI 535625531

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

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.