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Pathology

Shelly M. Williams, MD

Works at hospitals in Bellevue, NE · Omaha, NE · Nebraska

Summary

Dr. Shelly M. Williams, MD is a pathologist at Emile 42nd St, Omaha, NE 68198. Phone: (402) 559-4015. Accepts Medicare assignment. In 2024, Shelly M. Williams had 79 Original Medicare patients and 170 services. NPI 1811169576. 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 Shelly M. Williams, 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 Shelly M. Williams accept Medicare assignment?
Yes. Medicare's clinician data says Shelly M. Williams 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 Shelly M. Williams see?
In 2024, CMS data shows 79 Original Medicare patients and 170 services for Shelly M. Williams. This counts Original Medicare only and measures volume, not quality.
What is Shelly M. Williams's NPI number?
1811169576. 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 Shelly M. Williams, 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 patients79
Services billed to Medicare170
Different services or procedures11
Participating Medicare providerYes
Average age of these patients65

Most frequent services

  1. Mechanical separation of plasma from blood (36514)81 services
  2. Blood bank physician services for investigation of transfusion reaction with written report (86078)17 services
  3. Collection of stem cells for transplantation (38206)16 services
  4. Pathology clinical consultation for moderately complex clinical problem, 21-40 minutes (80504)13 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 blood pressure75%
  • High cholesterol68%
  • Chronic kidney disease58%
  • Diabetes44%
  • Arthritis43%
  • Depression39%

Hospitals where Shelly M. Williams works

Medicare's Facility Affiliation Data lists Shelly M. Williams 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.

  • Bellevue Medical CenterBellevue, NE · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 280132
  • The Nebraska Medical CenterOmaha, NE · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 280013

Practice locations

Addresses where Shelly M. Williams is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Shelly M. Williams as a member of this group (CMS data updated October 2, 2026).

  • UNMC Physicians1,518 clinicians in the group

Specialties

Find other Pathology doctors in Nebraska →

Other pathologists in Omaha

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

All pathologists in Omaha →

Other clinicians in UNMC Physicians

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

Clinician information

CredentialMD
Graduation year2007 (19 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811169576
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