ISAAC CHRIS BOYACK M.D.
NPI 1942663414
Radiology - Diagnostic Radiology in Marshfield, WI

Active since April 01, 2016PECOS EnrolledAccepts Medicare Assignment
82.79/100
CMS Quality Rating
1000 N OAK AVE, MARSHFIELD, WI 54449(715) 387-5511 Get Directions Write a Review

NPPES record last updated: January 26, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 26, 2023, Feb 11, 2022, Apr 1, 2016 (3 updates tracked since 2016).

About Isaac Chris Boyack M.d. NPPES

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

ISAAC CHRIS BOYACK M.D. (NPI 1942663414) is an individual diagnostic radiology provider in Marshfield, Wisconsin, licensed in Wisconsin (80087) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Dickinson County Memorial Hospital, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1942663414
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameISAAC CHRIS BOYACKCredential: M.D.
Location Address1000 N OAK AVEMarshfield, WI 54449-5703
Mailing Address1000 N Oak AveMarshfield, WI 54449-5703 · (715) 387-5511
Sole ProprietorYes
Medical School CMSOtherGraduated 2016
Enumeration DateApril 1, 2016
Last NPPES UpdateJanuary 26, 20233 updates tracked since enumeration
NPPES CertifiedJanuary 26, 2023
NPI 1942663414 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses Licensed in WI · 80087 Licensed in NY · 301190
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
1000 N OAK AVE, Marshfield, WI 54449

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

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

Isaac Chris Boyack M.d. 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 ID6800278698
PECOS Enrollment IDI20220726001709
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 29

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.

Ct scan head or brain without contrast 70450
A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.
494 services455 patients
X-ray of lower and sacral spine, 2-3 views 72100
An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.
229 services222 patients
Mri scan of lower spinal canal without contrast 72148
An MRI scan of the lower spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to produce detailed images of your lower spine. This helps identify issues like disc problems, tumors, or nerve conditions. No dye is used.
179 services178 patients
Ct scan of upper spine without contrast 72125
A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.
176 services169 patients
Mri scan of brain before and after contrast 70553
An MRI scan of the brain, both before and after contrast, helps visualize different brain structures. Initially, images are taken without a contrast agent. Then, a safe dye is injected which helps highlight certain areas, providing clearer, more detailed images.
150 services141 patients
Mri scan of brain without contrast 70551
An MRI scan of the brain without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your brain. It helps in detecting abnormalities like tumors, stroke, inflammation, or infection.
126 services124 patients

Hospital Affiliations CMS Care Compare 5

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

Dickinson County Memorial Hospital

Acute Care Hospitals · Iron Mountain, MI
4/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number230055
Location1721 S Stephenson AveIron Mountain, MI 49801 · Dickinson County
Emergency services Birthing friendly

Marshfield Medical Center - Rice Lake

Acute Care Hospitals · Rice Lake, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520011
Location1700 West Stout StreetRice Lake, WI 54868 · Barron County
Emergency services Birthing friendly

Marshfield Medical Center

Acute Care Hospitals · Marshfield, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number520037
Location611 St Joseph AveMarshfield, WI 54449 · Wood County
Emergency services Birthing friendly

Marshfield Medical Center - Eau Claire

Acute Care Hospitals · Eau Claire, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520210
Location2310 Craig RdEau Claire, WI 54701 · Eau Claire County
Emergency services Birthing friendly

Marshfield Medical Center - Minocqua

Acute Care Hospitals · Minocqua, WI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520212
Location9576 Highway 70Minocqua, WI 54548 · Oneida County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54449 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
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
Most-billed visit code 99213
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.

82.79/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality68.98
Promoting Interoperability99
Improvement Activities40
Cost66.19

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.

Obstetrics & Gynecology
1000 N OAK AVE
MARSHFIELD, WI 54449
Nurse Practitioner
1000 N OAK AVE
MARSHFIELD, WI 54449
Dietitian, Registered
1000 N OAK AVE
MARSHFIELD, WI 54449
Physician Assistant
1000 N OAK AVE
MARSHFIELD, WI 54449
Nurse Anesthetist, Certified Registered
1000 N OAK AVE
MARSHFIELD, WI 54449
Internal Medicine
1000 N OAK AVE
MARSHFIELD, WI 54449
Radiology (Vascular & Interventional Radiology)
1000 N OAK AVE
MARSHFIELD, WI 54449
Nurse Practitioner
1000 N OAK AVE
MARSHFIELD, WI 54449

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 Isaac Boyack's NPI number?

The NPI number for Isaac Boyack is 1942663414. It was assigned to this individual provider in the NPPES registry on April 1, 2016.

Where is Isaac Boyack located?

Isaac Boyack practices at 1000 N Oak Ave, Marshfield, WI 54449. The listed phone number is (715) 387-5511.

What is Isaac Boyack's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Isaac Boyack enrolled in Medicare?

Yes. Isaac Boyack 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 Isaac Boyack accept?

Health plans from Sanford Health Plan list Isaac Boyack 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 Isaac Boyack affiliated with any hospitals?

According to CMS data, Isaac Boyack is affiliated with Dickinson County Memorial Hospital, Marshfield Medical Center - Rice Lake, Marshfield Medical Center, Marshfield Medical Center - Eau Claire and Marshfield Medical Center - Minocqua.

When was this NPI record last updated?

The NPPES record for Isaac Boyack was last updated on January 26, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.