DR. PETER JOSPEH EICHENSEER M.D.
NPI 1821289141
Internal Medicine - Gastroenterology in Menomonee Falls, WI

Q: What is Peter Eichenseer's NPI number?

The NPI number for Peter Eichenseer is 1821289141. It was assigned to this individual provider in the NPPES registry on August 5, 2007.

Q: What is Peter Eichenseer's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Peter Eichenseer was last updated on August 9, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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 August 05, 2007PECOS EnrolledAccepts Medicare Assignment

W129N7055 NORTHFIELD DR, BUILDING A, SUITE 303, MENOMONEE FALLS, WI 53051(262) 253-5400(262) 253-3339 Get Directions Write a Review

NPPES record last updated: August 9, 2013. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Peter Jospeh Eichenseer M.d. NPPES

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

DR. PETER JOSPEH EICHENSEER M.D. (NPI 1821289141) is an individual gastroenterology provider in Menomonee Falls, Wisconsin, licensed in Wisconsin (61054) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS, is affiliated with St Josephs Community Hospital West Bend, and is a graduate of University Of Wisconsin School Of Medicine (2007).

NPPES Registry Identity

NPI1821289141

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. PETER JOSPEH EICHENSEERCredential: M.D.

Location AddressW129N7055 NORTHFIELD DR, BUILDING A, SUITE 303Menomonee Falls, WI 53051-0538

Mailing AddressW129n7055 Northfield Dr, Building A, Suite 303Menomonee Falls, WI 53051-0538 · (262) 253-5400 · Fax (262) 253-3339

Phone(262) 253-5400

Fax(262) 253-3339

Sole ProprietorNo

Medical School CMSUniversity Of Wisconsin School Of MedicineGraduated 2007

Enumeration DateAugust 5, 2007

Last NPPES UpdateAugust 9, 2013

✔ NPI 1821289141 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in WI · 61054

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Also ListedInternal MedicineTaxonomy 207R00000X · License 125.052595 (IL)

W129N7055 NORTHFIELD DR, Menomonee Falls, WI 53051

Open in Google Maps ↗

Other Identifiers 1

Medicaid1821289141WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, HealthPartners and more.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

Dr. Peter Jospeh Eichenseer 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 ID3274777982

PECOS Enrollment IDI20130919000529

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 Peter Eichenseer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Froedtert & the Medical College Of Wisconsin Community Physicians, Inc.

3.3 mi

Internal Medicine

W180N8000 TOWN HALL RD
Menomonee Falls, WI 53051

Reassigned Medicare billing, Wisconsin enrollment
2,294 clinicians in this Medicare group

NPI 1568787448 (262) 255-2500

The Medical College Of Wisconsin, Inc.

7.4 mi

Internal Medicine

8701 WATERTOWN PLANK RD
Milwaukee, WI 53226

Reassigned Medicare billing, Wisconsin enrollment
3,983 clinicians in this Medicare group

NPI 1699720086 (414) 955-7101

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 15

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.

Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500

Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.

157 services155 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

89 services89 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

77 services77 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.

77 services67 patients

Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes 99153

This service involves a physician administering medication to lower your consciousness during a procedure. It's done for your comfort and safety. The drug's effects last about 15 minutes, so additional doses may be given as needed.

71 services68 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

44 services33 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

24 services24 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

23 services23 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.

21 services21 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.

21 services20 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

19 services18 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.

19 services18 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

14 services14 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.

13 services13 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

12 services12 patients

Hospital Affiliations CMS Care Compare 3

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

St Josephs Community Hospital West Bend

Acute Care Hospitals · West Bend, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520063

Location3200 Pleasant Valley RoadWest Bend, WI 53095 · Washington County

Emergency services Birthing friendly

Community Memorial Hospital

Acute Care Hospitals · Menomonee Falls, WI

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520103

LocationW180 N8085 Town Hall RdMenomonee Falls, WI 53051 · Waukesha County

Emergency services

Froedtert Memorial Lutheran Hospital

Acute Care Hospitals · Milwaukee, WI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520177

Location9200 W Wisconsin AveMilwaukee, WI 53226 · Milwaukee County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53051 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

$123.69 typical visit price

range $53.90 – $163.24

Typical copayment $30.92 (range $13.47 – $40.81)

Most-billed visit code 99204

Established Patient

$95.41 typical visit price

range $17.40 – $133.76

Typical copayment $23.85 (range $4.35 – $33.44)

Most-billed visit code 99214

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.

LISA COOK PA

Physician Assistant

W129N7055 NORTHFIELD DR, BLDG A, STE 203
MENOMONEE FALLS, WI 53051

Waukesha County (262) 253-7155

FROEDTERT MEMORIAL LUTHERAN HOSPITAL, INC.

Clinic/Center (Radiology)

W129N7055 NORTHFIELD DR
MENOMONEE FALLS, WI 53051

Waukesha County (262) 251-5305

DANIEL BRUSS

Physical Therapist

W129N7055 NORTHFIELD DR
MENOMONEE FALLS, WI 53051

Waukesha County (262) 253-5400

JAMIE BONORIS

Nurse Practitioner (Family)

W129N7055 NORTHFIELD DR
MENOMONEE FALLS, WI 53051

Waukesha County (414) 805-7000

SCOTT C HICKS M.D.

Orthopaedic Surgery

W129N7055 NORTHFIELD DR, ORTHOPAEDIC SURGERY
MENOMONEE FALLS, WI 53051

Waukesha County (262) 253-5400

ALEXANDER R HENDRICKSON O.T.

Occupational Therapist

W129N7055 NORTHFIELD DR
MENOMONEE FALLS, WI 53051

Waukesha County (608) 252-2000

DR. TAMARA CARR STRUEBING PHARMD

Pharmacist

W129N7055 NORTHFIELD DR
MENOMONEE FALLS, WI 53051

Waukesha County (414) 777-7097

MS. SUZANNE E. MOSER LCSW

Social Worker (Clinical)

W129N7055 NORTHFIELD DR
MENOMONEE FALLS, WI 53051

Waukesha County (414) 805-3666

DANA M. FIELDS PA-C

Physician Assistant

W129N7055 NORTHFIELD DR
MENOMONEE FALLS, WI 53051

Waukesha County (262) 253-5400

SARAH ANNE SANDERS-BARTA

Physical Therapist

W129N7055 NORTHFIELD DR
MENOMONEE FALLS, WI 53051

Waukesha County (262) 719-4844

DR. AMANDEEP S GILL MD

Internal Medicine (Critical Care Medicine)

W129N7055 NORTHFIELD DR
MENOMONEE FALLS, WI 53051

Waukesha County (262) 227-0091

DR. TODD HIRSCHTRITT M.D.

Internal Medicine (Pulmonary Disease)

W129N7055 NORTHFIELD DR, PULMONARY DISEASE
MENOMONEE FALLS, WI 53051

Waukesha County (262) 253-5400

BETSY J. BARANEK PA

Physician Assistant (Medical)

W129N7055 NORTHFIELD DR
MENOMONEE FALLS, WI 53051

Waukesha County (414) 805-3666

JOSEPH L SHAKER MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)

W129N7055 NORTHFIELD DR, COMMUNITY MEMORIAL MEDICAL COMMONS
MENOMONEE FALLS, WI 53051

Waukesha County (262) 253-2510

WILLIAM JOHN KROMBHOLZ PHARMD

Pharmacist

W129N7055 NORTHFIELD DR
MENOMONEE FALLS, WI 53051

Waukesha County (262) 253-5400

MYAH ELIZABETH MERRIMAN

Physician Assistant (Medical)

W129N7055 NORTHFIELD DR
MENOMONEE FALLS, WI 53051

Waukesha County (262) 253-5400

SARAH L CAMERON LPC

Counselor (Professional)

W129N7055 NORTHFIELD DR, DEPARTMENT OF PSYCHIATRY
MENOMONEE FALLS, WI 53051

Waukesha County (262) 253-5400

SHAINA ERIN FARFEL NP-C

Nurse Practitioner (Family)

W129N7055 NORTHFIELD DR
MENOMONEE FALLS, WI 53051

Waukesha County (262) 253-5400

KRISTINE E FISCHER NP

Nurse Practitioner (Occupational Health)

W129N7055 NORTHFIELD DR
MENOMONEE FALLS, WI 53051

Waukesha County (262) 253-5400

DEAN E KLINGER M.D.

Surgery

W129N7055 NORTHFIELD DR, COMMUNITY MEMORIAL MEDICAL COMMONS
MENOMONEE FALLS, WI 53051

Waukesha County (262) 253-5400

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 Peter Eichenseer's NPI number?

The NPI number for Peter Eichenseer is 1821289141. It was assigned to this individual provider in the NPPES registry on August 5, 2007.

Where is Peter Eichenseer located?

Peter Eichenseer practices at W129n7055 Northfield Dr Building A, Suite 303, Menomonee Falls, WI 53051. The listed phone number is (262) 253-5400.

What is Peter Eichenseer's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Peter Eichenseer enrolled in Medicare?

Yes. Peter Eichenseer 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 Peter Eichenseer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Peter Eichenseer reassigns Medicare benefits to 2 organizations: Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (Menomonee Falls, WI) and The Medical College Of Wisconsin, Inc. (Milwaukee, 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 Peter Eichenseer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Peter Eichenseer accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, HealthPartners and Network Health list Peter Eichenseer 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 Peter Eichenseer affiliated with any hospitals?

According to CMS data, Peter Eichenseer is affiliated with St Josephs Community Hospital West Bend, Community Memorial Hospital and Froedtert Memorial Lutheran Hospital.

When was this NPI record last updated?

The NPPES record for Peter Eichenseer was last updated on August 9, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.