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MICHAEL D. CALDWELL MD
NPI 1184724858
Surgery in Marshfield, WI

Active since September 23, 2006PECOS Enrolled
1000 N OAK AVE, MARSHFIELD, WI 54449(715) 387-5511 Get Directions Write a Review

NPPES record last updated: November 8, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Michael D. Caldwell Md NPPES

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

MICHAEL D. CALDWELL MD (NPI 1184724858) is an individual surgery provider in Marshfield, Wisconsin, licensed in Wisconsin (41921) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1184724858
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameMICHAEL D. CALDWELLCredential: MD
Location Address1000 N OAK AVEMarshfield, WI 54449-5703
Mailing Address1000 N Oak AveMarshfield, WI 54449-5703 · (715) 387-5511
Phone(715) 387-5511
Sole ProprietorNo
Enumeration DateSeptember 23, 2006
Last NPPES UpdateNovember 8, 2011
✔ NPI 1184724858 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in WI · 41921
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Also ListedSurgery · Vascular SurgeryTaxonomy 2086S0129X · License 41921 (WI)
1000 N OAK AVE, Marshfield, WI 54449
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Other Identifiers 2

MedicaidAPPRWI
Medicare PIN0681-72200WI

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Michael D. Caldwell 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 Reassignments

2

Medicare enrollment records show Michael Caldwell reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Marshfield Clinic Inc
1.2 mi
Clinic/Center
1000 N OAK AVE
Marshfield, WI 54449
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,540 clinicians in this Medicare group
NPI 1952347981 (715) 387-5511
Mchs Hospitals Inc
1.2 mi
Clinic/Center
1000 N OAK AVE
Marshfield, WI 54449
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,476 clinicians in this Medicare group
NPI 1093221434 (715) 387-5511

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

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.

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.

Tape, waterproof, per 18 square inches A4452
DME-Medical/Surgical Supplies · category DA000N
1 supplier25 claims4,340 services$0.36 avg. paid by Medicare
Specialty absorptive dressing, wound cover, sterile, pad size more than 16 sq. in. but less than or equal to 48 sq. in., without adhesive border, each dressing A6252
DME-Medical/Surgical Supplies · category DA023N
1 supplier16 claims1,320 services$3.18 avg. paid by Medicare
Gauze, non-impregnated, sterile, pad size 16 sq. in. or less, without adhesive border, each dressing A6402
DME-Medical/Surgical Supplies · category DA023N
1 supplier46 claims6,240 services$0.11 avg. paid by Medicare
Packing strips, non-impregnated, sterile, up to 2 inches in width, per linear yard A6407
DME-Medical/Surgical Supplies · category DA023N
1 supplier14 claims300 services$1.47 avg. paid by Medicare
Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466
DME-Other DME · category DE005N
1 supplier12 claims12 services$859.99 avg. paid by Medicare
Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
1 supplier38 claims38 services$42.41 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.

ALISON RAE SAMPSON D.O.
Obstetrics & Gynecology
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (715) 387-5161
TAMARA L. LEAHY NP
Nurse Practitioner
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (800) 782-8581
SAMANTHA ELAINE MOORE RD, CD, CDCES
Dietitian, Registered
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (715) 389-7464
ROBERT BUNDY
Student in an Organized Health Care Education/Training Program
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (715) 387-5511
EUGENE H. LARSON PA
Physician Assistant
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (715) 387-5245
JAMES SKIBBA CRNA
Nurse Anesthetist, Certified Registered
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (715) 387-7179
KENNETH E ENGELHART MD
Internal Medicine
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (715) 387-5704
KRISTIN M GERNDT MD
Radiology (Vascular & Interventional Radiology)
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (715) 389-3474

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 Michael Caldwell's NPI number?

The NPI number for Michael Caldwell is 1184724858. It was assigned to this individual provider in the NPPES registry on September 23, 2006.

Where is Michael Caldwell located?

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

What is Michael Caldwell's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Michael Caldwell enrolled in Medicare?

Yes. Michael Caldwell is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Michael Caldwell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Caldwell reassigns Medicare benefits to 2 organizations: Marshfield Clinic Inc (Marshfield, WI) and Mchs Hospitals Inc (Marshfield, WI). Each 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 Michael Caldwell'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 Michael Caldwell was last updated on November 8, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.