WILLIAM H JOHNSTON MD
NPI 1427017789
Family Medicine in Mosinee, WI

Active since March 23, 2006PECOS EnrolledAccepts Medicare Assignment
84.55/100
CMS Quality Rating
1881 HIGHWAY XX, MOSINEE, WI 54455(715) 355-4040 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About William H Johnston Md NPPES

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

WILLIAM H JOHNSTON MD (NPI 1427017789) is an individual family medicine provider in Mosinee, Wisconsin, licensed in Wisconsin (48123) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Aspirus Rhinelander Hospital, and is a graduate of University Of California, Davis School Of Medicine (2003).

NPPES Registry Identity

NPI1427017789
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameWILLIAM H JOHNSTONCredential: MD
Location Address1881 HIGHWAY XXMosinee, WI 54455
Mailing Address3000 Westhill Dr, Suite 303Wausau, WI 54401-3795 · (715) 847-2304
Sole ProprietorNo
Medical School CMSUniversity Of California, Davis School Of MedicineGraduated 2003
Enumeration DateMarch 23, 2006
Last NPPES UpdateJuly 8, 2007
NPI 1427017789 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in WI · 48123
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1881 HIGHWAY XX, Mosinee, WI 54455

Other Identifiers 1

Medicaid34869200WI

Accepted Insurance

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

William H Johnston Md 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 ID3577566223
PECOS Enrollment IDI20060817000631
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 24

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.

Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
951 services448 patients
Blood test, comprehensive group of blood chemicals 80053
A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.
292 services242 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
271 services191 patients
Blood test, basic group of blood chemicals (calcium, total) 80048
A basic group blood test measures the levels of certain chemicals in your blood, including calcium. This helps assess your overall health and detect potential problems. The procedure involves drawing a small amount of blood from your arm, which is then analyzed in a lab.
261 services165 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
207 services128 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test 85027
A complete blood cell count (CBC) is an automated test that measures different components of the blood, including red cells, white cells, and platelets. It helps assess overall health, detect disorders like anemia or infection, and monitor medical treatments.
141 services106 patients

Hospital Affiliations CMS Care Compare 3

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

Aspirus Rhinelander Hospital

Acute Care Hospitals · Rhinelander, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520019
Location2251 North Shore DrRhinelander, WI 54501 · Oneida County
Emergency services Birthing friendly

Aspirus Wausau Hospital

Acute Care Hospitals · Wausau, WI
4/5 CMS rating
OwnershipProprietary
CMS Certification Number520030
Location333 Pine Ridge BlvdWausau, WI 54401 · Marathon County
Emergency services Birthing friendly

Marshfield Medical Center - Weston

Acute Care Hospitals · Weston, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520202
Location3400 Ministry ParkwayWeston, WI 54476 · Marathon County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54455 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
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

84.55/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality91.81
Promoting Interoperability100
Improvement Activities40
Cost53.8

Referred Medical Equipment & Supplies CMS DME claims 8

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
7 suppliers35 claims86 services$3.62 avg. paid by Medicare
Adhesive remover, wipes, any type, each A4456
DME-Medical/Surgical Supplies · category DA000N
2 suppliers11 claims256 services$0.23 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers58 claims58 services$16.39 avg. paid by Medicare
Portable oxygen contents, gaseous, 1 month's supply = 1 unit E0443
DME-Oxygen and Supplies · category DC000N
1 supplier12 claims12 services$41.68 avg. paid by Medicare
Nebulizer, with compressor E0570
DME-Other DME · category DE000N
1 supplier15 claims15 services$3.64 avg. paid by Medicare
Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
1 supplier28 claims28 services$34.03 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 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner
1881 HIGHWAY XX
MOSINEE, WI 54455
Family Medicine
1881 HIGHWAY XX
MOSINEE, WI 54455
Nurse Practitioner
1881 HIGHWAY XX
MOSINEE, WI 54455
Family Medicine
1881 HIGHWAY XX
MOSINEE, WI 54455
Family Medicine
1881 HIGHWAY XX
MOSINEE, WI 54455
Internal Medicine
1881 HIGHWAY XX
MOSINEE, WI 54455
Family Medicine
1881 HIGHWAY XX
MOSINEE, WI 54455

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 William Johnston's NPI number?

The NPI number for William Johnston is 1427017789. It was assigned to this individual provider in the NPPES registry on March 23, 2006.

Where is William Johnston located?

William Johnston practices at 1881 Highway Xx, Mosinee, WI 54455. The listed phone number is (715) 355-4040.

What is William Johnston's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is William Johnston enrolled in Medicare?

Yes. William Johnston 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.

What insurance does William Johnston accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, HealthPartners and Security Health Plan list William Johnston as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is William Johnston affiliated with any hospitals?

According to CMS data, William Johnston is affiliated with Aspirus Rhinelander Hospital, Aspirus Wausau Hospital and Marshfield Medical Center - Weston.

When was this NPI record last updated?

The NPPES record for William Johnston was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.