NATHAN J KOPYDLOWSKI M.D.
NPI 1255712741
Orthopaedic Surgery in Grafton, WI

Active since June 10, 2015PECOS EnrolledAccepts Medicare Assignment
975 PORT WASHINGTON RD, GRAFTON, WI 53024(262) 329-1000 Get Directions Write a Review

NPPES record last updated: September 2, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 2, 2025, Jan 18, 2023, Nov 23, 2022 and 3 more (6 updates tracked since 2021).

About Nathan J Kopydlowski M.d. NPPES

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

NATHAN J KOPYDLOWSKI M.D. (NPI 1255712741) is an individual orthopaedic surgery provider in Grafton, Wisconsin, licensed in Wisconsin (22741) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS, is affiliated with Aurora Health Care Central Inc, and is a graduate of University Of Michigan Medical School (2015).

NPPES Registry Identity

NPI1255712741
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameNATHAN J KOPYDLOWSKICredential: M.D.
Location Address975 PORT WASHINGTON RDGrafton, WI 53024-9201
Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250
Sole ProprietorNo
Medical School CMSUniversity Of Michigan Medical SchoolGraduated 2015
Enumeration DateJune 10, 2015
Last NPPES UpdateSeptember 2, 20256 updates tracked since enumeration
NPPES CertifiedSeptember 2, 2025
NPI 1255712741 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License Licensed in WI · 22741
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
975 PORT WASHINGTON RD, Grafton, WI 53024

Other Identifiers 1

Medicaid100212401WI

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

Nathan J Kopydlowski 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 ID5395047781
PECOS Enrollment IDI20220915000859
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 9

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.

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
1,224 services100 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.
291 services185 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
125 services96 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
67 services67 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
39 services38 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
26 services26 patients

Hospital Affiliations CMS Care Compare 5

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

Aurora Health Care Central Inc

Acute Care Hospitals · Sheboygan, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520035
Location3400 Union AveSheboygan, WI 53081 · Sheboygan County
Emergency services Birthing friendly

Aurora Medical Ctr Washington County

Acute Care Hospitals · Hartford, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520038
Location1032 E Sumner StHartford, WI 53027 · Washington County
Emergency services

Aurora St Lukes Medical Center

Acute Care Hospitals · Milwaukee, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520138
Location2900 W Oklahoma AveMilwaukee, WI 53215 · Milwaukee County
Emergency services Birthing friendly

Aurora Medical Center - Summit

Acute Care Hospitals · Summit, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520206
Location36500 Aurora DriveSummit, WI 53066 · Waukesha County
Emergency services Birthing friendly

Aurora Medical Center

Acute Care Hospitals · Grafton, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520207
Location975 Port Washington RoadGrafton, WI 53024 · Ozaukee County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53024 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.

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.

Physical Therapist
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Nurse Practitioner (Acute Care)
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Pharmacist
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Physician Assistant
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Internal Medicine (Interventional Cardiology)
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Nurse Practitioner
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Hospitalist
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Speech-Language Pathologist
975 PORT WASHINGTON RD
GRAFTON, WI 53024

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 Nathan Kopydlowski's NPI number?

The NPI number for Nathan Kopydlowski is 1255712741. It was assigned to this individual provider in the NPPES registry on June 10, 2015.

Where is Nathan Kopydlowski located?

Nathan Kopydlowski practices at 975 Port Washington Rd, Grafton, WI 53024. The listed phone number is (262) 329-1000.

What is Nathan Kopydlowski's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Nathan Kopydlowski enrolled in Medicare?

Yes. Nathan Kopydlowski 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 Nathan Kopydlowski accept?

Health plans from Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners, Quartz and UnitedHealthcare list Nathan Kopydlowski 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 Nathan Kopydlowski affiliated with any hospitals?

According to CMS data, Nathan Kopydlowski is affiliated with Aurora Health Care Central Inc, Aurora Medical Ctr Washington County, Aurora St Lukes Medical Center, Aurora Medical Center - Summit and Aurora Medical Center.

When was this NPI record last updated?

The NPPES record for Nathan Kopydlowski was last updated on September 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.