Cassandra Joan Johnson , PA-C
Physician Assistant β’ Milwaukee, WI
9200 W Wisconsin Ave
Milwaukee, WI 532263522
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
Practice Location & Contact Primary Location
9200 W Wisconsin Ave
Milwaukee, WI 532263522
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
CMS Doctors and Clinicians lists 1 group name: The Medical College Of Wisconsin Inc. See the list
Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026.
Listings do not confirm current availability, employment or a shared ownership network.
Medicare Profile & Education
Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026
University Of South Alabama College Of Medicine
2025
What Public CMS Data Show
Physician Assistant: NPPES taxonomy is a reported classification, not proof of board certification.
Industry payments (Open Payments)
No Open Payments records are listed for this clinician for 2021β2025.
Years since graduation
1 years (graduated 2025)
CMS Doctors and Clinicians data list 2025 as the year this clinician finished professional school.
It tells you roughly how long ago the clinician finished school.
What this does not show: Years since graduation
It is not the number of years in practice, and more years does not mean better care.
Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026.
NPI first issued
2024
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Accepts Medicare assignment
CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.
With Original Medicare, you usually pay only your deductible and coinsurance, and the office sends the claim to Medicare for you.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians, CMS release of October 2, 2026; Medicare.gov, βDoes your provider accept Medicare as full payment?β
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians, CMS release of October 2, 2026.
Enrolled in Medicare (PECOS)
Cassandra Johnson has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.
It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Can order Medicare-covered services
CMS lists Cassandra Johnson as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.
Medicare pays for these items and services only when they are ordered by an eligible clinician.
What this does not show: Can order Medicare-covered services
It does not mean the clinician offers these services directly.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Milwaukee and Wisconsin
838 active clinicians are listed under Physician Assistant with a practice address in Milwaukee, WI (3,519 in Wisconsin).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Milwaukee
9.9% of these 838 clinicians have the CMS telehealth indicator.
68.9% of these 838 clinicians are listed by CMS as accepting Medicare assignment.
Sources: CMS Doctors and Clinicians, CMS release of October 2, 2026, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo Β· Report an error.
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2026-02-24NUCC Taxonomy Code: 363A00000X
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.
Additional State Medicaid & Healthcare Payer Identifiers
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - PHYSICIAN ASSISTANT
I20260221000406
WI
0941781512
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Medicare Group Practice Enrollments
Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026
The Medical College Of Wisconsin Inc
8701 Watertown Plank Rd, Milwaukee, WI 532263548
Phone: 4148053666
The Medical College Of Wisconsin Inc
8701 W Watertown Plank, Milwaukee, WI 532263548
Phone: 4148053666
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Nurse Practitioner
Advanced Practice Nurse Prescriber
Internal Medicine - Hematology & Oncology
Internal Medicine - Hematology & Oncology
Doctor of Medicine (M.D.)
Internal Medicine - Hematology & Oncology
Doctor of Osteopathic Medicine (D.O.)
Nurse Practitioner - Family
Advanced Practice Nurse Prescriber
Internal Medicine - Hospice and Palliative Medicine
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 9200 W WISCONSIN AVE, MILWAUKEE, WI 532263522 (Tel: 4148050505)
Registered at 9200 W WISCONSIN AVE, MILWAUKEE, WI 532263522 (Tel: 4148050505)
Recorded as CASSANDRA JOHNSON, PA-C
Physician Assistant (license number reported to NPPES: WI 8662-23)
NPI status registered as active in NPPES database
Registered at 5721 USA DRIVE NORTH, MOBILE, AL 366880001 (Tel: 2514459334)
Registered at W154S7619 RAIN TREE CT, MUSKEGO, WI 531507761 (Tel: 2624087075)
Recorded as CASSANDRA JOHNSON
Student in an Organized Health Care Education/Training Program
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Physician Assistants in Milwaukee
- Megan Meiklejohn, PA-C
- Sydney Langemeier
- Amanda Janczak
- Ann Schoper, PA-C
- Michelle Ricci, PA-C
- Emma Hartmann
Mailing Address
9200 W Wisconsin Ave
Milwaukee, WI 532263522
Phone: 4148050505