MICHAEL J WILLERTH MD
NPI 1316919202
Surgery in Fort Dodge, IA

Q: What is Michael Willerth's NPI number?

The NPI number for Michael Willerth is 1316919202. It was assigned to this individual provider in the NPPES registry on February 3, 2006.

Q: What is Michael Willerth's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Michael Willerth was last updated on December 22, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.

Active since February 03, 2006PECOS EnrolledAccepts Medicare Assignment

804 KENYON RD, FORT DODGE, IA 50501(515) 574-6865 Get Directions Write a Review

NPPES record last updated: December 22, 2016. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Michael J Willerth Md NPPES

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

MICHAEL J WILLERTH MD (NPI 1316919202) is an individual surgery provider in Fort Dodge, Iowa, licensed in Iowa (31679) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Trinity Regional Medical Center, and is a graduate of Other (1989).

NPPES Registry Identity

NPI1316919202

Entity TypeIndividualMale

Primary Taxonomy208600000X

Provider Legal NameMICHAEL J WILLERTHCredential: MD

Location Address804 KENYON RDFort Dodge, IA 50501-5742

Mailing Address24 N 9th St, Suite AFort Dodge, IA 50501-3909 · (515) 574-6890

Phone(515) 574-6865

Sole ProprietorNo

Medical School CMSOtherGraduated 1989

Enumeration DateFebruary 3, 2006

Last NPPES UpdateDecember 22, 2016

✔ NPI 1316919202 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

License✔ Licensed in IA · 31679

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.

804 KENYON RD, Fort Dodge, IA 50501

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Other Identifiers 2

Medicare PINI3448IA

Medicare UPING51028

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company, Wellmark Health Plan of Iowa, Inc..Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Michael J Willerth 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 ID7618029422

PECOS Enrollment IDI20100224000956

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

Medicare enrollment records show Michael Willerth reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Iowa Specialty Hospital- Clarion

28 mi

Rural Health

215 13TH AVE SW
Clarion, IA 50525

Reassigned Medicare billing, Iowa enrollment
Also billed through NPI 1821045451 (Iowa)
166 clinicians in this Medicare group

NPI 1417972258 (515) 532-2836

Belmond Community Hospital

38 mi

Critical Access

403 1ST ST SE
Belmond, IA 50421

Reassigned Medicare billing, Iowa enrollment
Also billed through NPI 1821122623 (Iowa)
192 clinicians in this Medicare group

NPI 1932142726 (641) 444-3500

Iowa Physicians Clinic Medical Foundation

62 mi

General Practice

8101 BIRCHWOOD CT, SUITE N
Johnston, IA 50131

Reassigned Medicare billing, Iowa enrollment
1,506 clinicians in this Medicare group

NPI 1891127502 (515) 471-9300

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 22

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.

Ultrasound study of arm and leg arteries 93922

An ultrasound study of arm and leg arteries is a non-invasive procedure that uses sound waves to create images of your arteries. It helps in checking blood flow, identifying blockages, or detecting other abnormalities in your arteries.

339 services288 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

321 services300 patients

Ultrasound of leg arteries or artery grafts 93925

An ultrasound of leg arteries or artery grafts is a non-invasive imaging test. It uses high-frequency sound waves to capture live images from inside your body, specifically your leg arteries or grafts. This helps in detecting any blockages or abnormalities.

297 services258 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

184 services174 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

122 services120 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.

111 services91 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.

87 services77 patients

Ultrasound of one leg arteries or artery grafts 93926

An ultrasound of leg arteries or artery grafts is a non-invasive test using sound waves to create images of your blood vessels. This helps doctors assess blood flow, identify blockages, and monitor the health of grafts.

53 services43 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

47 services47 patients

Complete ultrasound of abdomen and pelvis artery and vein blood flow 93975

This procedure uses sound waves to create images of your abdomen and pelvis, specifically focusing on the arteries and veins. It helps in assessing the blood flow and detecting any abnormalities, ensuring your overall well-being.

42 services36 patients

Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts 93978

This procedure involves using sound waves to create images of your aorta, vena cava, groin vessels, or bypass grafts. It helps to detect abnormalities or blockages, ensuring your blood flows smoothly. It's painless and non-invasive.

33 services28 patients

Fluoroscopic guidance for insertion or removal of central vein access device 77001

Fluoroscopic guidance for central vein access device insertion or removal is a procedure where a special X-ray, called a fluoroscope, is used to help accurately place or remove a device in a central vein. This device aids in delivering medications or collecting blood samples.

27 services24 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

25 services23 patients

Removal of skin and tissue, 20.0 sq cm or less 11042

This procedure involves the surgical removal of skin and tissue, up to 20.0 square cm in size. It's often performed to treat conditions like skin cancer or to remove moles, warts, and other skin lesions. The area is numbed and the unwanted tissue is carefully cut out.

24 services12 patients

Injection of chemical agent into multiple incompetent veins of leg 36471

This procedure involves injecting a special chemical into problematic veins in the leg. The chemical helps to close off these veins, rerouting blood through healthier veins. This can alleviate discomfort and improve the appearance of the treated area.

24 services14 patients

Ultrasound scan of abdominal aorta 76706

An ultrasound scan of the abdominal aorta is a non-invasive imaging test. It uses sound waves to create pictures of the main blood vessel in your abdomen, the aorta, to check its size and shape. This helps detect any abnormalities or issues early.

23 services23 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

23 services23 patients

Insertion of tunneled central venous tube for infusion (5 years or older) 36558

The insertion of a tunneled central venous tube is a procedure where a thin, flexible tube is placed into a large vein, usually in the neck or chest. This tube allows healthcare providers to give medications, fluids, or nutrients directly into your bloodstream over a longer period.

20 services18 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.

17 services17 patients

Removal of blood clot and portion of chest, neck, or brain artery 35301

This procedure involves the removal of a blood clot and a section of an artery in the chest, neck, or brain. It is often necessary to restore normal blood flow, prevent stroke, or alleviate symptoms related to the clot. The procedure is carried out by a skilled medical team.

16 services14 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

16 services13 patients

Relocation of arm vein with connection to arm artery for hemodialysis 36821

This procedure involves moving a vein in your arm and connecting it to an artery. This creates a larger, stronger vein that can be used for hemodialysis, a treatment for kidney disease. It helps clean your blood when your kidneys can't.

12 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Trinity Regional Medical Center

Acute Care Hospitals · Fort Dodge, IA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number160016

Location802 Kenyon RdFort Dodge, IA 50501 · Webster County

Emergency services Birthing friendly

Iowa Specialty Hospital - Belmond

Critical Access Hospitals · Belmond, IA

OwnershipGovernment - Local

CMS Certification Number161301

Location403 First Street SEBelmond, IA 50421 · Wright County

Emergency services

Pocahontas Community Hospital

Critical Access Hospitals · Pocahontas, IA

OwnershipGovernment - Local

CMS Certification Number161305

Location606 N W 7th StreetPocahontas, IA 50574 · Pocahontas County

Emergency services

Humboldt County Memorial Hospital

Critical Access Hospitals · Humboldt, IA

OwnershipVoluntary non-profit - Other

CMS Certification Number161334

Location1000 North 15th StreetHumboldt, IA 50548 · Humboldt County

Emergency services

Loring Hospital

Critical Access Hospitals · Sac City, IA

OwnershipVoluntary non-profit - Private

CMS Certification Number161370

Location211 Highland Avenue PO Box 217Sac City, IA 50583 · Sac County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 50501 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

$81.84 typical visit price

range $52.96 – $161.40

Typical copayment $20.46 (range $13.24 – $40.35)

Most-billed visit code 99203

Established Patient

$66.36 typical visit price

range $16.91 – $131.98

Typical copayment $16.59 (range $4.22 – $32.99)

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. BENJAMIN E TUY MD

Orthopaedic Surgery

804 KENYON RD, SUITE 320
FORT DODGE, IA 50501

Webster County (515) 574-8333

DR. LEOPOLDO E. DELUCCA M.D.

Otolaryngology

804 KENYON RD, SUITE 200
FORT DODGE, IA 50501

Webster County (515) 576-5000

FRANCISCO G PERALTA MD

Allergy & Immunology

804 KENYON RD
FORT DODGE, IA 50501

Webster County (515) 574-6830

DR. STEPHEN L PIERCY M.D.

Urology

804 KENYON RD, SUITE H
FORT DODGE, IA 50501

Webster County (515) 955-3370

TRIMARK PHYSICIANS GROUP

Clinic/Center (Rural Health)

804 KENYON RD, STE D
FORT DODGE, IA 50501

Webster County (515) 574-6855

YULY GOLDIN M.D.

Urology

804 KENYON RD, SUITE H
FORT DODGE, IA 50501

Webster County (515) 955-3370

IOWA OTO HEAD AND NECK SPECIALISTS PC

Otolaryngology

804 KENYON RD, SUITE N
FORT DODGE, IA 50501

Webster County (515) 576-4200

MOLLY ANN SCHILLING DNP, ARNP, CPNP-PC

Nurse Practitioner (Pediatrics)

804 KENYON RD
FORT DODGE, IA 50501

Webster County (515) 574-6855

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 Willerth's NPI number?

The NPI number for Michael Willerth is 1316919202. It was assigned to this individual provider in the NPPES registry on February 3, 2006.

Where is Michael Willerth located?

Michael Willerth practices at 804 Kenyon Rd, Fort Dodge, IA 50501. The listed phone number is (515) 574-6865.

What is Michael Willerth's specialty?

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

Is Michael Willerth enrolled in Medicare?

Yes. Michael Willerth 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.

Which organizations bill Medicare for Michael Willerth's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Willerth reassigns Medicare benefits to 3 organizations: Iowa Specialty Hospital- Clarion (Clarion, IA), Belmond Community Hospital (Belmond, IA) and Iowa Physicians Clinic Medical Foundation (Johnston, IA). 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 Willerth's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Willerth accept?

Health plans from Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list Michael Willerth 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 Michael Willerth affiliated with any hospitals?

According to CMS data, Michael Willerth is affiliated with Trinity Regional Medical Center, Iowa Specialty Hospital - Belmond, Pocahontas Community Hospital, Humboldt County Memorial Hospital and Loring Hospital.

When was this NPI record last updated?

The NPPES record for Michael Willerth was last updated on December 22, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.