DR. CHRISTOPHER J MAGIERA M.D.
NPI 1548334550
Internal Medicine - Gastroenterology in Oshkosh, WI

Q: What is Christopher Magiera's NPI number?

The NPI number for Christopher Magiera is 1548334550. It was assigned to this individual provider in the NPPES registry on November 20, 2006.

Q: What is Christopher Magiera's specialty?

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

Active since November 20, 2006PECOS EnrolledAccepts Medicare Assignment

855 N WESTHAVEN DR, OSHKOSH, WI 54904(920) 303-8700 Get Directions Write a Review

NPPES record last updated: October 7, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Oct 7, 2025, Oct 31, 2022, Jan 11, 2022 and 2 more (5 updates tracked since 2015).

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About Dr. Christopher J Magiera M.d. NPPES

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

DR. CHRISTOPHER J MAGIERA M.D. (NPI 1548334550) is an individual gastroenterology provider in Oshkosh, Wisconsin, licensed in Wisconsin (45086) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with St. Agnes Hospital Hospice, and is a graduate of Other (1982).

NPPES Registry Identity

NPI1548334550

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. CHRISTOPHER J MAGIERACredential: M.D.

Location Address855 N WESTHAVEN DROshkosh, WI 54904-7668

Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250

Phone(920) 303-8700

Sole ProprietorNo

Medical School CMSOtherGraduated 1982

Enumeration DateNovember 20, 2006

Last NPPES UpdateOctober 7, 20255 updates tracked since enumeration

NPPES CertifiedOctober 7, 2025

✔ NPI 1548334550 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

Licenses✔ Licensed in WI · 45086✔ Licensed in IN · 01056619A

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.

855 N WESTHAVEN DR, Oshkosh, WI 54904

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Other Identifiers 3

Other000000966498IN · Anthem Provider Number

Medicaid34308400WI

Medicaid201064770IN

Accepted Insurance

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

Dr. Christopher J Magiera 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 ID6709819139

PECOS Enrollment IDI20071217000637

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 10

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.

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.

66 services65 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.

52 services42 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

40 services25 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.

37 services35 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.

31 services29 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.

28 services28 patients

Hospital Affiliations CMS Care Compare 2

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

St. Agnes Hospital Hospice

Acute Care Hospitals · Fond Du Lac, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520088

Location430 E Division StFond Du Lac, WI 54935 · Fond Du Lac County

Emergency services Birthing friendly

Aurora Medical Ctr Oshkosh

Acute Care Hospitals · Oshkosh, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520198

Location855 N Westhaven DriveOshkosh, WI 54904 · Winnebago County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54904 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.

JACQUELINE ANN OTS PENDING

Nurse Practitioner