MS. MARY CHRISTINE JOHANSEN APRN, CNP
NPI 1689208928
Nurse Practitioner in Mchenry, IL

Active since February 25, 2020PECOS EnrolledAccepts Medicare Assignment
4309 W MEDICAL CENTER DR STE A200, MCHENRY, IL 60050(815) 759-8070(815) 759-4931 Get Directions Write a Review

NPPES record last updated: February 17, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 7, 2023, Nov 9, 2022, Jan 4, 2022 and 1 more (4 updates tracked since 2020).

About Ms. Mary Christine Johansen Aprn, Cnp NPPES

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

MS. MARY CHRISTINE JOHANSEN APRN, CNP (NPI 1689208928) is an individual nurse practitioner in Mchenry, Illinois, licensed in Illinois (209020914) and active in the NPI registry since February 2020. She is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Mchenry, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1689208928
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMS. MARY CHRISTINE JOHANSENCredential: APRN, CNP
Location Address4309 W MEDICAL CENTER DR STE A200Mchenry, IL 60050-8437
Mailing Address4309 W Medical Center Dr Ste A200Mchenry, IL 60050-8437 · (815) 759-8070 · Fax (815) 759-4931
Fax(815) 759-4931
Sole ProprietorYes
Medical School CMSOtherGraduated 2019
Enumeration DateFebruary 25, 2020
Last NPPES UpdateFebruary 17, 20264 updates tracked since enumeration
NPPES CertifiedFebruary 17, 2026
NPI 1689208928 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License Licensed in IL · 209020914
Definition
(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.
Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X · License 209020614 (IL)
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 209.020914 (IL)
4309 W MEDICAL CENTER DR STE A200, Mchenry, IL 60050

Other Identifiers 1

Medicaid209020914IL

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Ms. Mary Christine Johansen Aprn, Cnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9133549496
PECOS Enrollment IDI20201026003008
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
47 services27 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
18 services18 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
12 services12 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northwestern Medicine Mchenry

Acute Care Hospitals · Mchenry, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140116
Location4201 Medical Center DriveMchenry, IL 60050 · Mc Henry County
Emergency services Birthing friendly

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140242
Location25 North Winfield RoadWinfield, IL 60190 · Du Page County
Emergency services Birthing friendly

Advocate Good Shepherd Hospital

Acute Care Hospitals · Barrington, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140291
Location450 West Highway 22Barrington, IL 60010 · Lake County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60050 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.71 typical visit price
range $54.80 – $168.44
Typical copayment $21.42 (range $13.70 – $42.11)
Most-billed visit code 99203
Established Patient
$97.25 typical visit price
range $17.16 – $136.56
Typical copayment $24.31 (range $4.29 – $34.14)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers22 claims22 services$68.31 avg. paid by Medicare
Arformoterol, inhalation solution, fda approved final product, non-compounded, administered through dme, unit dose form, 15 micrograms J7605
DME-Drugs Administered Through DME · category DG006N
2 suppliers13 claims780 services$4.71 avg. paid by Medicare
Budesonide, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, up to 0.5 mg J7626
DME-Drugs Administered Through DME · category DG000N
7 suppliers32 claims2,286 services$0.82 avg. paid by Medicare
Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513
DME-Other DME · category DE000N
9 suppliers35 claims35 services$26.01 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Internal Medicine (Interventional Cardiology)
4309 W MEDICAL CENTER DR STE A200
MCHENRY, IL 60050
Internal Medicine (Cardiovascular Disease)
4309 W MEDICAL CENTER DR STE A200
MCHENRY, IL 60050
Physician Assistant
4309 W MEDICAL CENTER DR STE A200
MCHENRY, IL 60050
Clinical Nurse Specialist (Adult Health)
4309 W MEDICAL CENTER DR STE A200
MCHENRY, IL 60050
Nurse Practitioner
4309 W MEDICAL CENTER DR STE A200
MCHENRY, IL 60050
Nurse Practitioner
4309 W MEDICAL CENTER DR STE A200
MCHENRY, IL 60050
Physician Assistant
4309 W MEDICAL CENTER DR STE A200
MCHENRY, IL 60050
Nurse Practitioner
4309 W MEDICAL CENTER DR STE A200
MCHENRY, IL 60050

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 Mary Johansen's NPI number?

The NPI number for Mary Johansen is 1689208928. It was assigned to this individual provider in the NPPES registry on February 25, 2020.

Where is Mary Johansen located?

Mary Johansen practices at 4309 W Medical Center Dr Ste A200, Mchenry, IL 60050. The listed phone number is (815) 759-8070.

What is Mary Johansen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Mary Johansen enrolled in Medicare?

Yes. Mary Johansen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Mary Johansen affiliated with any hospitals?

According to CMS data, Mary Johansen is affiliated with Northwestern Medicine Mchenry, Northwestern Medicine Central Dupage Hospital and Advocate Good Shepherd Hospital.

When was this NPI record last updated?

The NPPES record for Mary Johansen was last updated on February 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.