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CHARLES A KLEIN MD
NPI 1740275080
Orthopaedic Surgery in Wauwatosa, WI

Active since September 13, 2005PECOS Enrolled
2500 N MAYFAIR RD, SUITE 500, WAUWATOSA, WI 53226(414) 257-2525(414) 257-1772 Get Directions Write a Review

NPPES record last updated: February 11, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Charles A Klein Md NPPES

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

CHARLES A KLEIN MD (NPI 1740275080) is an individual orthopaedic surgery provider in Wauwatosa, Wisconsin, licensed in Wisconsin (24551) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1740275080
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameCHARLES A KLEINCredential: MD
Location Address2500 N MAYFAIR RD, SUITE 500Wauwatosa, WI 53226-1409
Mailing Address2500 N Mayfair Rd, Suite 500Wauwatosa, WI 53226-1409 · (414) 257-2525 · Fax (414) 257-1772
Phone(414) 257-2525
Fax(414) 257-1772
Sole ProprietorNo
Enumeration DateSeptember 13, 2005
Last NPPES UpdateFebruary 11, 2008
✔ NPI 1740275080 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 · 24551
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.
2500 N MAYFAIR RD, Wauwatosa, WI 53226
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Other Identifiers 3

Medicare UPINB54181
Medicaid30495800WI
Medicare NSC1009700001WI

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Charles A Klein Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Charles Klein reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Wisconsin Bone & Joint S C
Same address
Orthopaedic Surgery
2500 NORTH MAYFAIR RD, SUITE 500
Wauwatosa, WI 53226
  • Reassigned Medicare billing, Wisconsin enrollment
  • 24 clinicians in this Medicare group
NPI 1831102540 (414) 257-2525

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

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.

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.
97 services54 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.
80 services60 patients
X-ray of knee, 3 views 73562
An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.
42 services35 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.
41 services41 patients
Injection, methylprednisolone acetate, 40 mg J1030
Methylprednisolone acetate is a medication given through an injection. It's a type of corticosteroid, which reduces inflammation and immune responses. It can be used to treat various conditions like arthritis, allergies, and skin diseases. This dose is 40 mg.
15 services12 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.
13 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53226 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.

DR. TERRY S GRAVES M.D.
Allergy & Immunology
2500 N MAYFAIR RD, SUITE 220
WAUWATOSA, WI 53226
Milwaukee County (414) 475-9101
MARY SZCYGIEL OD
Optometrist
2500 N MAYFAIR RD
WAUWATOSA, WI 53226
Milwaukee County (414) 453-2866
DR. DAVID JAMES SIVERHUS M.D.
Orthopaedic Surgery (Hand Surgery)
2500 N MAYFAIR RD, SUITE 670
MILWAUKEE, WI 53226
Milwaukee County (414) 453-7418
SEAN CARROLL TRACY MD
Orthopaedic Surgery
2500 N MAYFAIR RD, SUITE 500
WAUWATOSA, WI 53226
Milwaukee County (414) 257-2525
JAMES A CRANBERG M.D.
Allergy & Immunology (Allergy)
2500 N MAYFAIR RD, SUITE 220
WAUWATOSA, WI 53226
Milwaukee County (414) 475-9101
CARISSA L BRAUN OT
Occupational Therapist (Hand)
2500 N MAYFAIR RD, SUITE 570
MILWAUKEE, WI 53226
Milwaukee County (414) 453-7418
TAMMY A TRACY PT
Physical Therapist
2500 N MAYFAIR RD, SUITE 480
WAUWATOSA, WI 53226
Milwaukee County (414) 475-6043
PLUMERIA ACUPUNCTURE AND HOLISTIC WELLNESS CENTER, LLC
Acupuncturist
2500 N MAYFAIR RD
WAUWATOSA, WI 53226
Milwaukee County (414) 687-0087

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 Charles Klein's NPI number?

The NPI number for Charles Klein is 1740275080. It was assigned to this individual provider in the NPPES registry on September 13, 2005.

Where is Charles Klein located?

Charles Klein practices at 2500 N Mayfair Rd Suite 500, Wauwatosa, WI 53226. The listed phone number is (414) 257-2525.

What is Charles Klein's specialty?

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

Is Charles Klein enrolled in Medicare?

Yes. Charles Klein is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Charles Klein's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Charles Klein reassigns Medicare benefits to Wisconsin Bone & Joint S C (Wauwatosa, WI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Charles Klein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Charles Klein was last updated on February 11, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.