Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

General Surgery

Michael J. McNamara, MD

Works at hospitals in Omaha, NE · Council Bluffs, IA · Papillion, NE · Nebraska, Iowa

Summary

Dr. Michael J. McNamara, MD is a general surgeon at 7710 Mercy Rd, Suite 2000, Omaha, NE 68124. Phone: (402) 717-0820. Accepts Medicare assignment. In 2024, Michael J. McNamara had 267 Original Medicare patients and 601 services. NPI 1326097742. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Michael J. McNamara, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Michael J. McNamara accept Medicare assignment?
Yes. Medicare's clinician data says Michael J. McNamara accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Michael J. McNamara see?
In 2024, CMS data shows 267 Original Medicare patients and 601 services for Michael J. McNamara. This counts Original Medicare only and measures volume, not quality.
What is Michael J. McNamara's NPI number?
1326097742. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Michael J. McNamara, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients267
Services billed to Medicare601
Different services or procedures69
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)91 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)48 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)43 services
  4. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)42 services
  5. Partial removal of breast (19301)40 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure73%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)53%
  • Arthritis45%
  • Diabetes29%
  • Chronic kidney disease29%

Hospitals where Michael J. McNamara works

Medicare's Facility Affiliation Data lists Michael J. McNamara at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • CHI Health Bergan MercyOmaha, NE · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 280060
  • CHI Health LakesideOmaha, NE · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 280130
  • CHI Health Mercy Council BluffsCouncil Bluffs, IA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 160028
  • CHI Health MidlandsPapillion, NE · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 280105

Practice locations

Addresses where Michael J. McNamara is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Michael J. McNamara as a member of this group (CMS data updated October 2, 2026).

  • Alegent Creighton Clinic963 clinicians in the group

Specialties

Find other General Surgery doctors in Nebraska →

Other general surgeons in Omaha

Clinicians with the same Medicare primary specialty in Omaha, NE — not a recommendation.

All general surgeons in Omaha →

Other clinicians in Alegent Creighton Clinic

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolCreighton University School Of Medicine
Graduation year1989 (37 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1326097742
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians