99TH MEDICAL GROUP - MIKE O'CALLAGHAN FEDERAL HOSPITAL
NPI 1154393759
Military Hospital in Nellis Afb, NV

Q: What is 99th Medical Group - Mike O'callaghan Federal Hospital's specialty?

The primary specialty registered for this NPI is Military Hospital with taxonomy code 286500000X.

Active since February 07, 2006

4700 LAS VEGAS BLVD N, NELLIS AFB, NV 89191(702) 653-2273 Get Directions Write a Review

NPPES record last updated: June 24, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 24, 2025, Jun 17, 2025, Jun 13, 2025 and 1 more (4 updates tracked since 2024).

On this page

About 99th Medical Group - Mike O'callaghan Federal Hospital NPPES

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

99TH MEDICAL GROUP - MIKE O'CALLAGHAN FEDERAL HOSPITAL (NPI 1154393759), doing business as 99th Medgrp-nellis, is a healthcare organization registered as a military hospital in Nellis Afb, Nevada and active in the NPI registry since February 2006. The organization lists Jen Lewandowski, Dha Ubo, as its authorized official.

NPPES Registry Identity

NPI1154393759

Entity TypeOrganization

Primary Taxonomy286500000X

Legal Business Name99TH MEDICAL GROUP - MIKE O'CALLAGHAN FEDERAL HOSPITAL

Location Address4700 LAS VEGAS BLVD NNellis Afb, NV 89191-6600

Mailing Address4700 Las Vegas Blvd NNellis Afb, NV 89191-6600

Phone(702) 653-2273

Organization SubpartYesParent: 99th Medgrp-nellis

Authorized OfficialJen LewandowskiDha Ubo · (703) 817-4030

Enumeration DateFebruary 7, 2006

Last NPPES UpdateJune 24, 20254 updates tracked since enumeration

NPPES CertifiedJune 24, 2025

✔ NPI 1154393759 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyMilitary HospitalHospitals

Taxonomy Code286500000X

Definition

A health care facility operated by the Department of Defense.

Also ListedClinic/Center · Military/U.S. Coast Guard OutpatientTaxonomy 261QM1100X

Also ListedClinic/Center · Military and U.S. Coast Guard Ambulatory ProcedureTaxonomy 261QM1101X

Also ListedMilitary/U.S. Coast Guard PharmacyTaxonomy 332000000X

4700 LAS VEGAS BLVD N, Nellis Afb, NV 89191

Open in Google Maps ↗

Other Names 2

Doing Business As99th Medgrp-nellis

Doing Business AsMike O'callaghan Military Medical Center

Other Identifiers 1

Other2975742NV · Ncpdp

Hospital Quality Ratings CMS Care Compare

Quality and patient-experience ratings for 99th Medical Group (nellis Afb) (CMS certification number 29001F), from CMS Care Compare.

99th Medical Group (nellis Afb)

Acute Care - Department of Defense · Nellis Afb, NV

OwnershipDepartment of Defense

CMS Certification Number29001F

Location99 Mdg 4700 Las Vegas BlvdNellis Afb, NV 89191 · Clark County · (702) 653-2273

Emergency services

Patient Experience

HCAHPS patient survey · Jan 2023 – Dec 2023

4/5 summary rating

Nurse communication

4/5

Doctor communication

5/5

Staff responsiveness

4/5

Communication about medicines

4/5

Discharge information

4/5

Care transition

4/5

Cleanliness

2/5

Quietness

3/5

Overall hospital rating

4/5

Recommend hospital

4/5

Star ratings summarize responses from patients surveyed after discharge, collected through the CMS HCAHPS program.

Infections 1

Clostridium Difficile (C.Diff)

3 observed cases · 5.232 predicted · 8,698 patient days

0.573 No different than national

Timely & Effective Care 4

Appropriate care for severe sepsis and septic shock

76%

Left before being seen

Average (median) time patients spent in the emergency department before leaving from the visit A lower number of minutes is better

102 minutes

Emergency department volume

Medium

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. DEBRA A KOENIGSBERGER MD

Integrative Medicine